161310868992

Names of 161310868992

• Cardinal: 161310868992 can be written as One hundred sixty-one billion, three hundred ten million, eight hundred sixty-eight thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.61310868992 × 10¹¹

Factors of 161310868992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 343

Divisors of 161310868992

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 37 39 42 48 52 56 63 64 72 74 78 84 91 96 104 111 112 117 126 128 144 148 156 168 182 192 208 222 224 234 252 256 259 273 281 288 296 312 333 336 364 384 416 444 448 468 481 504 512 518 546 562 576 592 624 666 672 728 768 777 819 832 843 888 896 936 962 1008 1036 1092 1124 1152 1184 1248 1332 1344 1369 1443 1456 1536 1554 1638 1664 1686 1776 1792 1872 1924 1967 2016 2072 2184 2248 2304 2331 2368 2496 2529 2664 2688 2738 2886 2912 3108 3276 3328 3367 3372 3552 3584 3653 3744 3848 3934 4032 4107 4144 4329 4368 4496 4608 4662 4736 4992 5058 5328 5376 5476 5772 5824 5901 6216 6552 6656 6734 6744 7104 7306 7488 7696 7868 8064 8214 8288 8658 8736 8992 9324 9472 9583 9984 10101 10116 10397 10656 10752 10952 10959 11544 11648 11802 12321 12432 13104 13468 13488 14208 14612 14976 15392 15736 16128 16428 16576 17316 17472 17703 17797 17984 18648 18944 19166 19968 20202 20232 20794 21312 21904 21918 23088 23296 23604 24642 24864 25571 26208 26936 26976 28416 28749 29224 29952 30303 30784 31191 31472 32256 32856 32877 33152 34632 34944 35406 35594 35968 37296 38332 40404 40464 41588 42624 43808 43836 46176 46592 47208 49284 49728 51142 52416 53391 53872 53952 56832 57498 58448 59904 60606 61568 62382 62944 65712 65754 66304 69264 69888 70812 71188 71936 72779 74592 76664 76713 80808 80928 83176 85248 86247 87616 87672 92352 93573 94416 98568 99456 102284 104832 106782 107744 107904 114996 116896 121212 123136 124579 124764 125888 131424 131508 132608 135161 138528 139776 141624 142376 143872 145558 149184 153328 153426 160173 161616 161856 166352 170496 172494 175232 175344 184704 187146 188832 197136 198912 204568 209664 213564 215488 215808 218337 229992 230139 233792 242424 246272 249158 249528 251776 262848 263016 270322 277056 283248 284752 291116 298368 306656 306852 320346 323232 323712 332704 344988 350464 350688 369408 373737 374292 377664 384689 394272 397824 405483 409136 419328 427128 430976 431616 436674 459984 460278 467584 484848 498316 499056 503552 525696 526032 540644 554112 566496 569504 582232 596736 613312 613704 640692 646464 647424 655011 665408 689976 700928 701376 738816 747474 748584 755328 769378 788544 810966 818272 854256 861952 873348 919968 920556 935168 946127 969696 996632 998112 1007104 1051392 1052064 1081288 1108224 1121211 1132992 1139008 1154067 1164464 1193472 1216449 1226624 1227408 1281384 1292928 1294848 1310022 1330816 1379952 1402752 1494948 1497168 1510656 1538756 1577088 1621932 1636544 1708512 1723904 1746696 1839936 1841112 1870336 1892254 1939392 1993264 1996224 2102784 2104128 2162576 2216448 2242422 2265984 2278016 2308134 2328928 2432898 2453248 2454816 2562768 2585856 2620044 2661632 2692823 2759904 2805504 2838381 2989896 2994336 3021312 3077512 3154176 3243864 3273088 3417024 3462201 3493392 3679872 3682224 3784508 3878784 3986528 3992448 4208256 4325152 4484844 4531968 4556032 4616268 4657856 4865796 4906496 4909632 5000957 5125536 5171712 5240088 5323264 5385646 5519808 5611008 5676762 5979792 5988672 6155024 6308352 6487728 6546176 6834048 6924402 6986784 7359744 7364448 7569016 7757568 7973056 7984896 8078469 8416512 8515143 8650304 8969688 9063936 9112064 9232536 9315712 9731592 9819264 10001914 10251072 10480176 10771292 11039616 11353524 11959584 11977344 12310048 12975456 13092352 13668096 13848804 13973568 14719488 14728896 15002871 15138032 15515136 15946112 15969792 16156938 16833024 17030286 17300608 17939376 18465072 18631424 19463184 19638528 20003828 20502144 20960352 21542584 22079232 22707048 23919168 23954688 24235407 24620096 25950912 27336192 27697608 27947136 29457792 30005742 30276064 31892224 32313876 34060572 34601216 35006699 35878752 36930144 37262848 38926368 39277056 40007656 41004288 41920704 43085168 44158464 45008613 45414096 47838336 47909376 48470814 49240192 51901824 55395216 55894272 58915584 60011484 60552128 63784448 64627752 68121144 69202432 70013398 71757504 73860288 77852736 80015312 82008576 83841408 86170336 90017226 90828192 95676672 96941628 98480384 103803648 105020097 110790432 111788544 117831168 120022968 121104256 129255504 136242288 140026796 143515008 147720576 155705472 160030624 167682816 172340672 180034452 181656384 191353344 193883256 196960768 207607296 210040194 221580864 240045936 242208512 258511008 272484576 280053592 287030016 295441152 311410944 315060291 320061248 335365632 344681344 360068904 363312768 387766512 420080388 443161728 480091872 484417024 517022016 544969152 560107184 574060032 590882304 622821888 630120582 640122496 689362688 720137808 726625536 775533024 840160776 886323456 960183744 1034044032 1089938304 1120214368 1260241164 1280244992 1378725376 1440275616 1453251072 1551066048 1680321552 1772646912 1920367488 2068088064 2179876608 2240428736 2520482328 2560489984 2880551232 3102132096 3360643104 3840734976 4136176128 4359753216 4480857472 5040964656 5761102464 6204264192 6721286208 7681469952 8961714944 10081929312 11522204928 12408528384 13442572416 17923429888 20163858624 23044409856 26885144832 40327717248 53770289664 80655434496 161310868992
• Sum of all divisors σ(n): 590990111712
• Sum of proper divisors (its aliquot sum) s(n): 429679242720
• 161310868992 is an abundant number, because the sum of its proper divisors (429679242720) is greater than itself. Its abundance is 268368373728

Bases of 161310868992

• Binary: 10010110001110111000001000011000000000₂
• Hexadecimal: 0x258EE08600
• Base-36: 223SBR40

Squares and roots of 161310868992

• 161310868992 squared (161310868992²) is 26021196454954187096064
• 161310868992 cubed (161310868992³) is 4197501812360209704015036822847488
• The square root of 161310868992 is 401635.2437125009
• The cube root of 161310868992 is 5443.6209514701

Scales and comparisons

• 161,310,868,992 seconds is equal to 5,129 years, 9 weeks, 4 days, 22 hours, 43 minutes, 12 seconds.
• To count from 1 to 161,310,868,992 would take you about ten thousand, two hundred fifty-eight 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 161310868992 cubic inches would be around 453.6 feet tall.

Recreational maths with 161310868992

• 161310868992 backwards is 299868013161
• The number of decimal digits it has is: 12
• The sum of 161310868992's digits is 54
• More coming soon!