161597639840

Names of 161597639840

• Cardinal: 161597639840 can be written as One hundred sixty-one billion, five hundred ninety-seven million, six hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.6159763984 × 10¹¹

Factors of 161597639840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3832

Divisors of 161597639840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 17 20 26 28 32 34 35 40 52 56 65 68 70 80 85 91 104 112 119 130 136 140 160 170 181 182 208 221 224 238 260 272 280 340 362 364 416 442 455 476 520 544 560 595 680 724 728 884 905 910 952 1040 1105 1120 1190 1267 1360 1448 1456 1547 1768 1810 1820 1904 2080 2210 2353 2380 2534 2720 2896 2912 3077 3094 3536 3607 3620 3640 3808 4420 4706 4760 5068 5792 6154 6188 6335 7072 7214 7240 7280 7735 8840 9412 9520 10136 11765 12308 12376 12670 14428 14480 14560 15385 15470 16471 17680 18035 18824 19040 20272 21539 23530 24616 24752 25249 25340 28856 28960 30770 30940 32942 35360 36070 37648 40001 40544 43078 46891 47060 49232 49504 50498 50680 57712 61319 61540 61880 65884 72140 75296 80002 82355 86156 93782 94120 98464 100996 101360 107695 115424 122638 123080 123760 126245 131768 144280 160004 164710 172312 187564 188240 200005 201992 202720 215390 234455 245276 246160 247520 252490 263536 280007 288560 306595 320008 328237 329420 344624 375128 376480 400010 403984 429233 430780 468910 490552 492320 504980 527072 560014 577120 613190 640016 652867 656474 658840 689248 750256 797147 800020 807968 858466 861560 937820 981104 1009960 1120028 1226380 1280032 1305734 1312948 1317680 1400035 1500512 1594294 1600040 1641185 1716932 1723120 1875640 1962208 2019920 2146165 2240056 2452760 2611468 2625896 2635360 2800070 3188588 3200080 3264335 3282370 3433864 3446240 3751280 3985735 4039840 4292330 4480112 4570069 4905520 5222936 5251792 5580029 5600140 6377176 6400160 6528670 6564740 6867728 7502560 7971470 8487271 8584660 8960224 9140138 9811040 10445872 10503584 11098739 11160058 11200280 12754352 13057340 13129480 13735456 15942940 16974542 17169320 18280276 20891744 22197478 22320116 22400560 22850345 25508704 26114680 26258960 27900145 31885880 33949084 34338640 36560552 42436355 44394956 44640232 44801120 45700690 52229360 52517920 55493695 55800290 59410897 63771760 67898168 68677280 73121104 77691173 84872710 88789912 89280464 91401380 104458720 110987390 111600580 118821794 127543520 135796336 144283607 146242208 155382346 169745420 177579824 178560928 182802760 221974780 223201160 237643588 271592672 288567214 297054485 310764692 339490840 355159648 365605520 388455865 443949560 446402320 475287176 577134428 594108970 621529384 678981680 721418035 731211040 776911730 887899120 892804640 950574352 1009985249 1154268856 1188217940 1243058768 1357963360 1442836070 1553823460 1775798240 1901148704 2019970498 2308537712 2376435880 2486117536 2885672140 3107646920 4039940996 4617075424 4752871760 5049926245 5771344280 6215293840 8079881992 9505743520 10099852490 11542688560 12430587680 16159763984 20199704980 23085377120 32319527968 40399409960 80798819920 161597639840
• Sum of all divisors σ(n): 500403391488
• Sum of proper divisors (its aliquot sum) s(n): 338805751648
• 161597639840 is an abundant number, because the sum of its proper divisors (338805751648) is greater than itself. Its abundance is 177208111808

Bases of 161597639840

• Binary: 10010110011111111110000100110010100000₂
• Hexadecimal: 0x259FF84CA0
• Base-36: 228J28WW

Squares and roots of 161597639840

• 161597639840 squared (161597639840²) is 26113797201858355225600
• 161597639840 cubed (161597639840³) is 4219927995080706266441290747904000
• The square root of 161597639840 is 401992.0892753985
• The cube root of 161597639840 is 5446.8448459133

Scales and comparisons

• 161,597,639,840 seconds is equal to 5,138 years, 15 weeks, 6 days, 1 hour, 17 minutes, 20 seconds.
• To count from 1 to 161,597,639,840 would take you about ten thousand, two hundred seventy-six 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 161597639840 cubic inches would be around 453.9 feet tall.

Recreational maths with 161597639840

• 161597639840 backwards is 048936795161
• The number of decimal digits it has is: 12
• The sum of 161597639840's digits is 59
• More coming soon!