168940721664

Names of 168940721664

• Cardinal: 168940721664 can be written as One hundred sixty-eight billion, nine hundred forty million, seven hundred twenty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.68940721664 × 10¹¹

Factors of 168940721664

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 280

Divisors of 168940721664

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 23 24 26 32 33 36 39 44 46 48 52 64 66 69 71 72 78 88 92 96 99 104 117 128 132 138 142 143 144 156 157 176 184 192 198 207 208 213 234 253 256 264 276 284 286 288 299 312 314 352 368 384 396 414 416 426 429 468 471 506 512 528 552 568 572 576 598 624 628 639 704 736 759 768 781 792 828 832 852 858 897 923 936 942 1012 1056 1104 1136 1144 1152 1196 1248 1256 1278 1287 1408 1413 1472 1518 1536 1562 1584 1633 1656 1664 1704 1716 1727 1794 1846 1872 1884 2024 2041 2112 2208 2272 2277 2288 2304 2343 2392 2496 2512 2556 2574 2691 2769 2816 2826 2944 3036 3124 3168 3266 3289 3312 3328 3408 3432 3454 3588 3611 3692 3744 3768 4048 4082 4224 4416 4544 4554 4576 4608 4686 4784 4899 4992 5024 5112 5148 5181 5382 5538 5632 5652 5888 6072 6123 6248 6336 6532 6578 6624 6656 6816 6864 6908 7029 7176 7222 7384 7488 7536 8096 8164 8307 8448 8832 9088 9108 9152 9372 9568 9798 9867 9984 10048 10153 10224 10296 10362 10764 10833 11076 11147 11304 11776 12144 12246 12496 12672 13064 13156 13248 13632 13728 13816 14058 14352 14444 14697 14768 14976 15072 15543 16192 16328 16614 16896 17664 17963 18176 18216 18304 18369 18744 19136 19596 19734 19968 20096 20306 20448 20592 20724 21229 21528 21666 22152 22294 22451 22608 24288 24492 24992 25344 26128 26312 26496 27264 27456 27632 28116 28704 28888 29394 29536 29601 29952 30144 30459 31086 32384 32499 32656 33228 33441 35328 35926 36352 36432 36608 36738 37488 38272 39192 39468 39721 40192 40612 40896 41184 41448 42458 43056 43332 44304 44588 44902 45216 46943 48576 48984 49984 50688 52256 52624 52992 53889 54528 54912 55264 56232 57408 57776 58788 59072 59202 59904 60288 60918 62172 63687 64768 64998 65312 66456 66882 67353 71852 72864 73216 73476 74976 76544 78384 78936 79442 80384 81224 81792 82368 82896 84916 86112 86664 88608 89176 89804 90432 91377 93886 97152 97968 99968 100323 104512 105248 105984 107778 109056 109824 110528 112464 114816 115552 117576 118144 118404 119163 120576 121836 122617 124344 127374 129536 129996 130624 132912 133764 134706 140829 143704 144911 145728 146952 149952 153088 156768 157872 158884 161667 162448 163584 164736 165792 169832 172224 173328 177216 178352 179608 180864 182754 187772 191061 194304 195936 199936 200646 202059 209024 210496 215556 219648 221056 224928 229632 231104 233519 235152 236288 236808 238326 241152 243672 245234 248688 254748 256381 259992 261248 265824 267528 269412 281658 287408 289822 291456 293904 299904 313536 315744 317768 323334 324896 327168 329472 331584 339664 344448 346656 354432 356704 357489 359216 361728 365508 367851 375544 382122 388608 391872 399872 401292 404118 418048 420992 422487 431112 434733 442112 449856 459264 462208 467038 470304 472576 473616 476652 487344 490468 497376 509496 512762 516373 519984 522496 531648 535056 538824 563316 574816 579644 582912 587808 599808 627072 631488 635536 646668 649792 658944 663168 679328 688896 693312 700557 708864 713408 714978 718432 723456 731016 735702 751088 764244 769143 783744 802584 808236 836096 841984 844974 862224 869466 884224 899712 924416 934076 940608 947232 953304 974688 980936 994752 1018992 1025524 1032746 1039968 1044992 1063296 1070112 1077648 1103553 1126632 1149632 1159288 1165824 1175616 1199616 1254144 1262976 1271072 1293336 1299584 1304199 1326336 1358656 1377792 1386624 1401114 1417728 1426816 1429956 1436864 1462032 1471404 1502176 1528488 1538286 1549119 1567488 1594021 1605168 1616472 1683968 1689948 1724448 1738932 1799424 1848832 1868152 1881216 1894464 1906608 1949376 1961872 1989504 2037984 2051048 2065492 2079936 2101671 2126592 2140224 2155296 2207106 2253264 2299264 2307429 2318576 2351232 2508288 2525952 2542144 2586672 2599168 2608398 2652672 2717312 2773248 2802228 2820191 2853632 2859912 2873728 2924064 2942808 3004352 3056976 3076572 3098238 3134976 3188042 3210336 3232944 3332953 3379896 3448896 3477864 3598848 3736304 3762432 3788928 3813216 3898752 3923744 3979008 4075968 4102096 4130984 4159872 4203342 4253184 4280448 4310592 4414212 4506528 4598528 4614858 4637152 4647357 4702464 4782063 5051904 5084288 5173344 5198336 5216796 5434624 5546496 5604456 5640382 5707264 5719824 5747456 5848128 5885616 6008704 6113952 6153144 6196476 6376084 6420672 6465888 6665906 6759792 6897792 6955728 7472608 7524864 7577856 7626432 7797504 7847488 7958016 8151936 8204192 8261968 8319744 8406684 8460573 8560896 8621184 8828424 9013056 9197056 9229716 9274304 9294714 9404928 9564126 9998859 10168576 10346688 10433592 10869248 11208912 11280764 11439648 11494912 11696256 11771232 12017408 12227904 12306288 12392952 12752168 12841344 12931776 13331812 13519584 13795584 13911456 14346189 14945216 15155712 15252864 15595008 15694976 16303872 16408384 16523936 16639488 16813368 16921146 17121792 17242368 17656848 18026112 18459432 18548608 18589428 19128252 19997718 20337152 20693376 20867184 22417824 22561528 22879296 23392512 23542464 24034816 24455808 24612576 24785904 25381719 25504336 25682688 25863552 26663624 27039168 27591168 27822912 28692378 29890432 29996577 30505728 31389952 32607744 32816768 33047872 33626736 33842292 34484736 35313696 36052224 36662483 36918864 37097216 37178856 38256504 39995436 41386752 41734368 44835648 45123056 45758592 46785024 47084928 48911616 49225152 49571808 50763438 51008672 51365376 51727104 53327248 54078336 55645824 57384756 59780864 59993154 61011456 62779904 65633536 66095744 67253472 67684584 70627392 72104448 73324966 73837728 74194432 74357712 76513008 79990872 82773504 83468736 89671296 90246112 91517184 94169856 97823232 98450304 99143616 101526876 102017344 103454208 106654496 108156672 109987449 111291648 114769512 119561728 119986308 131267072 132191488 134506944 135369168 141254784 146649932 147675456 148715424 153026016 159981744 166937472 179342592 180492224 183034368 188339712 196900608 198287232 203053752 204034688 213308992 216313344 219974898 222583296 229539024 239972616 264382976 269013888 270738336 282509568 293299864 295350912 297430848 306052032 319963488 329962347 333874944 358685184 360984448 393801216 396574464 406107504 408069376 426617984 439949796 459078048 479945232 538027776 541476672 565019136 586599728 590701824 594861696 612104064 639926976 659924694 667749888 721968896 793148928 812215008 816138752 853235968 879899592 918156096 959890464 1076055552 1082953344 1173199456 1181403648 1189723392 1224208128 1279853952 1319849388 1443937792 1624430016 1706471936 1759799184 1836312192 1919780928 2165906688 2346398912 2379446784 2448416256 2559707904 2639698776 3248860032 3519598368 3672624384 3839561856 4331813376 4692797824 5119415808 5279397552 6497720064 7039196736 7345248768 7679123712 9385595648 10558795104 12995440128 14078393472 15358247424 18771191296 21117590208 28156786944 42235180416 56313573888 84470360832 168940721664
• Sum of all divisors σ(n): 609998957568
• Sum of proper divisors (its aliquot sum) s(n): 441058235904
• 168940721664 is an abundant number, because the sum of its proper divisors (441058235904) is greater than itself. Its abundance is 272117514240

Bases of 168940721664

• Binary: 10011101010101101001101101011000000000₂
• Hexadecimal: 0x2755A6D600
• Base-36: 25LYXZ40

Squares and roots of 168940721664

• 168940721664 squared (168940721664²) is 28540967436353118928896
• 168940721664 cubed (168940721664³) is 4821731635686219900184908942802944
• The square root of 168940721664 is 411023.9915917317
• The cube root of 168940721664 is 5528.1283148673

Scales and comparisons

• 168,940,721,664 seconds is equal to 5,371 years, 41 weeks, 1 day, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 168,940,721,664 would take you about ten thousand, seven hundred forty-three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 168940721664 cubic inches would be around 460.7 feet tall.

Recreational maths with 168940721664

• 168940721664 backwards is 466127049861
• The number of decimal digits it has is: 12
• The sum of 168940721664's digits is 54
• More coming soon!