15455249904640

Names of 15455249904640

• Cardinal: 15455249904640 can be written as Fifteen trillion, four hundred fifty-five billion, two hundred forty-nine million, nine hundred four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.545524990464 × 10¹³

Factors of 15455249904640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 4738808

Divisors of 15455249904640

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 104 112 128 130 140 160 182 196 208 224 245 256 260 280 320 364 392 416 448 455 490 512 520 560 637 640 728 784 832 896 910 980 1024 1040 1120 1274 1280 1456 1568 1664 1792 1820 1960 2080 2240 2548 2560 2912 3136 3185 3328 3584 3640 3920 4160 4480 5096 5120 5824 6272 6370 6656 7168 7280 7840 8320 8960 10192 11648 12544 12740 13312 14560 15680 16640 17920 20384 23296 25088 25480 29120 31360 33280 35840 40768 46592 50176 50960 58240 62720 66560 81536 93184 101920 116480 125440 163072 203840 232960 250880 326144 407680 465920 652288 815360 1630720 3261440 4738781 9477562 18955124 23693905 33171467 37910248 47387810 61604153 66342934 75820496 94775620 123208306 132685868 151640992 165857335 189551240 232200269 246416612 265371736 303281984 308020765 331714670 379102480 431229071 464400538 492833224 530743472 606563968 616041530 663429340 758204960 862458142 928801076 985666448 1061486944 1161001345 1213127936 1232083060 1326858680 1516409920 1724916284 1857602152 1971332896 2122973888 2156145355 2322002690 2426255872 2464166120 2653717360 3018603497 3032819840 3449832568 3715204304 3942665792 4245947776 4312290710 4644005380 4852511744 4928332240 5307434720 6037206994 6065639680 6899665136 7430408608 7885331584 8491895552 8624581420 9288010760 9856664480 10614869440 12074413988 12131279360 13799330272 14860817216 15093017485 15770663168 16983791104 17249162840 18576021520 19713328960 21229738880 24148827976 24262558720 27598660544 29721634432 30186034970 31541326336 33967582208 34498325680 37152043040 39426657920 42459477760 48297655952 55197321088 59443268864 60372069940 63082652672 68996651360 74304086080 78853315840 84918955520 96595311904 110394642176 118886537728 120744139880 137993302720 148608172160 157706631680 169837911040 193190623808 220789284352 237773075456 241488279760 275986605440 297216344320 315413263360 386381247616 441578568704 482976559520 551973210880 594432688640 772762495232 965953119040 1103946421760 1188865377280 1545524990464 1931906238080 2207892843520 3091049980928 3863812476160 7727624952320 15455249904640
• Sum of all divisors σ(n): 46444972978152
• Sum of proper divisors (its aliquot sum) s(n): 30989723073512
• 15455249904640 is an abundant number, because the sum of its proper divisors (30989723073512) is greater than itself. Its abundance is 15534473168872

Bases of 15455249904640

• Binary: 11100000111001110100101011100011010000000000₂
• Hexadecimal: 0xE0E74AE3400
• Base-36: 5H81KR0N4

Squares and roots of 15455249904640

• 15455249904640 squared (15455249904640²) is 238864749614874729093529600
• 15455249904640 cubed (15455249904640³) is 3691714398707150133548319184041017344000
• The square root of 15455249904640 is 3931316.5612349255
• The cube root of 15455249904640 is 24909.1367708467

Scales and comparisons

• 15,455,249,904,640 seconds is equal to 491,429 years, 7 weeks, 2 days, 5 hours, 30 minutes, 40 seconds.
• To count from 1 to 15,455,249,904,640 would take you about one million, two hundred twenty-eight thousand, five hundred seventy-two 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 15455249904640 cubic inches would be around 2075.8 feet tall.

Recreational maths with 15455249904640

• 15455249904640 backwards is 04640994255451
• The number of decimal digits it has is: 14
• The sum of 15455249904640's digits is 58
• More coming soon!