161798739648

Names of 161798739648

• Cardinal: 161798739648 can be written as One hundred sixty-one billion, seven hundred ninety-eight million, seven hundred thirty-nine thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.61798739648 × 10¹¹

Factors of 161798739648

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 302

Divisors of 161798739648

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 71 78 79 84 91 96 104 112 127 142 156 158 168 169 182 192 208 213 224 237 254 273 284 312 316 336 338 364 381 416 426 448 474 497 507 508 546 553 568 624 632 672 676 728 762 832 852 889 923 948 994 1014 1016 1027 1092 1106 1136 1183 1248 1264 1344 1352 1456 1491 1524 1651 1659 1704 1778 1846 1896 1988 2028 2032 2054 2184 2212 2272 2366 2496 2528 2667 2704 2769 2912 2982 3048 3081 3302 3318 3408 3549 3556 3692 3792 3976 4056 4064 4108 4368 4424 4544 4732 4953 5056 5334 5408 5538 5609 5824 5964 6096 6162 6461 6604 6636 6816 7098 7112 7189 7384 7584 7952 8112 8128 8216 8736 8848 9017 9464 9906 10033 10668 10816 11076 11218 11557 11928 11999 12192 12324 12922 13208 13272 13351 13632 14196 14224 14378 14768 15168 15904 16224 16432 16827 17472 17696 18034 18928 19383 19812 20066 21336 21463 21567 22152 22436 23114 23856 23998 24384 24648 25844 26416 26544 26702 27051 28392 28448 28756 29536 30099 31808 32448 32864 33654 34671 35392 35997 36068 37856 38766 39263 39624 40053 40132 42672 42926 43134 44304 44872 46228 47712 47996 49296 51688 52832 53088 53404 54102 56784 56896 57512 59072 60198 63119 64389 65728 67308 69342 70231 71994 72136 72917 75712 77532 78526 79248 80106 80264 83993 85344 85852 86268 88608 89744 92456 93457 95424 95992 98592 103376 105664 106176 106808 108204 113568 115024 117221 117789 120396 126238 128778 130429 134616 138684 140462 143988 144272 145834 150241 155064 157052 158496 160212 160528 167986 170688 171704 172536 177216 179488 184912 186914 189357 191984 197184 206752 210693 213616 216408 218751 227136 230048 234442 235578 240792 251979 252476 257556 260858 269232 277368 280371 280924 287976 288544 291668 300482 310128 314104 316992 320424 321056 335972 343408 345072 351663 358976 369824 373828 378714 383968 391287 413504 421386 427232 432816 437502 450723 460096 468884 471156 481584 503958 504952 510419 515112 521716 538464 554736 560742 561848 575952 577088 583336 600964 620256 628208 640848 642112 671944 686816 690144 703326 712343 739648 747656 757428 767936 782574 820547 842772 854464 865632 875004 901446 913003 937768 942312 947921 963168 1007916 1009904 1020838 1030224 1043432 1076928 1109472 1121484 1123696 1151904 1166672 1201928 1240512 1256416 1281696 1343888 1373632 1380288 1406652 1424686 1495312 1514856 1523873 1531257 1565148 1641094 1685544 1695577 1731264 1750008 1802892 1826006 1875536 1884624 1895842 1926336 2015832 2019808 2041676 2060448 2086864 2137029 2218944 2242968 2247392 2303808 2333344 2403856 2461641 2512832 2563392 2687776 2739009 2813304 2843763 2849372 2990624 3029712 3047746 3062514 3130296 3282188 3371088 3391154 3500016 3605784 3652012 3751072 3769248 3791684 4031664 4039616 4083352 4120896 4173728 4274058 4485936 4494784 4571619 4666688 4807712 4923282 4986401 5086731 5375552 5478018 5626608 5687526 5698744 5981248 6059424 6095492 6125028 6260592 6564376 6635447 6742176 6782308 7000032 7211568 7304024 7502144 7538496 7583368 8063328 8166704 8347456 8548116 8971872 9143238 9260459 9615424 9846564 9972802 10173462 10667111 10956036 11253216 11375052 11397488 11869039 12118848 12190984 12250056 12521184 13128752 13270894 13484352 13564616 14000064 14423136 14608048 14959203 15166736 16126656 16333408 17096232 17943744 18286476 18520918 19693128 19906341 19945604 20346924 21334222 21912072 22506432 22750104 22794976 23738078 24381968 24500112 25042368 26257504 26541788 27129232 27781377 28846272 29216096 29918406 30333472 32001333 32666816 34192464 35607117 36572952 37041836 39386256 39812682 39891208 40693848 42668444 43824144 45500208 45589952 47476156 48763936 49000224 52515008 53083576 54258464 55562754 58432192 59836812 60666944 64002666 64823213 68384928 71214234 73145904 74083672 78772512 79625364 79782416 81387696 85336888 87648288 91000416 94952312 97527872 98000448 106167152 108516928 111125508 119673624 120385967 128005332 129646426 136769856 142428468 146291808 148167344 157545024 159250728 159564832 162775392 170673776 175296576 182000832 189904624 194469639 212334304 222251016 239347248 240771934 256010664 259292852 284856936 292583616 296334688 318501456 319129664 325550784 341347552 361157901 379809248 388939278 424668608 444502032 478694496 481543868 512021328 518585704 569713872 592669376 637002912 682695104 722315802 759618496 777878556 842701769 889004064 957388992 963087736 1024042656 1037171408 1139427744 1274005824 1444631604 1555757112 1685403538 1778008128 1926175472 2048085312 2074342816 2278855488 2528105307 2889263208 3111514224 3370807076 3852350944 4148685632 5056210614 5778526416 6223028448 6741614152 7704701888 10112421228 11557052832 12446056896 13483228304 20224842456 23114105664 26966456608 40449684912 53932913216 80899369824 161798739648
• Sum of all divisors σ(n): 548323983360
• Sum of proper divisors (its aliquot sum) s(n): 386525243712
• 161798739648 is an abundant number, because the sum of its proper divisors (386525243712) is greater than itself. Its abundance is 224726504064

Bases of 161798739648

• Binary: 10010110101011111101001101011011000000₂
• Hexadecimal: 0x25ABF4D6C0
• Base-36: 22BUSIIO

Squares and roots of 161798739648

• 161798739648 squared (161798739648²) is 26178832151681287163904
• 161798739648 cubed (161798739648³) is 4235702047598572227306027599265792
• The square root of 161798739648 is 402242.1405670967
• The cube root of 161798739648 is 5449.1033471207

Scales and comparisons

• 161,798,739,648 seconds is equal to 5,144 years, 36 weeks, 2 days, 14 hours, 20 minutes, 48 seconds.
• To count from 1 to 161,798,739,648 would take you about ten thousand, two hundred eighty-nine 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 161798739648 cubic inches would be around 454.1 feet tall.

Recreational maths with 161798739648

• 161798739648 backwards is 846937897161
• The number of decimal digits it has is: 12
• The sum of 161798739648's digits is 69
• More coming soon!