18914439331840

Names of 18914439331840

• Cardinal: 18914439331840 can be written as Eighteen trillion, nine hundred fourteen billion, four hundred thirty-nine million, three hundred thirty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.891443933184 × 10¹³

Factors of 18914439331840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 21367

Divisors of 18914439331840

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 169 208 256 260 320 338 416 512 520 640 676 832 845 1024 1040 1280 1352 1664 1690 2048 2080 2560 2704 3328 3380 4096 4160 5120 5408 6656 6760 8192 8320 10240 10816 13312 13520 16384 16640 20480 21347 21632 26624 27040 32768 33280 40960 42694 43264 53248 54080 65536 66560 81920 85388 86528 106496 106735 108160 131072 133120 163840 170776 173056 212992 213470 216320 262144 266240 277511 327680 341552 346112 425984 426940 432640 524288 532480 555022 655360 683104 692224 851968 853880 865280 1048576 1064960 1110044 1310720 1366208 1384448 1387555 1703936 1707760 1730560 2129920 2220088 2621440 2732416 2768896 2775110 3407872 3415520 3461120 3607643 4259840 4440176 5242880 5464832 5537792 5550220 6815744 6831040 6922240 7215286 8519680 8880352 10929664 11075584 11100440 13631488 13662080 13844480 14430572 17039360 17760704 18038215 21859328 22151168 22200880 27324160 27688960 28861144 34078720 35521408 36076430 43718656 44302336 44401760 54648320 55377920 57722288 68157440 71042816 72152860 87437312 88604672 88803520 109296640 110755840 115444576 142085632 144305720 174874624 177209344 177607040 218593280 221511680 230889152 284171264 288611440 349749248 355214080 437186560 443023360 461778304 568342528 577222880 699498496 710428160 874373120 886046720 923556608 1136685056 1154445760 1398996992 1420856320 1748746240 1847113216 2273370112 2308891520 2797993984 2841712640 3497492480 3694226432 4546740224 4617783040 5595987968 5683425280 6994984960 7388452864 9093480448 9235566080 11191975936 11366850560 13989969920 14776905728 18186960896 18471132160 22383951872 22733701120 27979939840 29553811456 36373921792 36942264320 45467402240 55959879680 59107622912 72747843584 73884528640 90934804480 111919759360 118215245824 145495687168 147769057280 181869608960 236430491648 290991374336 295538114560 363739217920 472860983296 591076229120 727478435840 945721966592 1182152458240 1454956871680 1891443933184 2364304916480 3782887866368 4728609832960 9457219665920 18914439331840
• Sum of all divisors σ(n): 49157437543704
• Sum of proper divisors (its aliquot sum) s(n): 30242998211864
• 18914439331840 is an abundant number, because the sum of its proper divisors (30242998211864) is greater than itself. Its abundance is 11328558880024

Bases of 18914439331840

• Binary: 100010011001111011100011100000000000000000000₂
• Hexadecimal: 0x1133DC700000
• Base-36: 6PD68TL34

Squares and roots of 18914439331840

• 18914439331840 squared (18914439331840²) is 357756015237855985637785600
• 18914439331840 cubed (18914439331840³) is 6766754445817253627660902100321173504000
• The square root of 18914439331840 is 4349073.3877275511
• The cube root of 18914439331840 is 26643.9017861159

Scales and comparisons

• 18,914,439,331,840 seconds is equal to 601,420 years, 34 weeks, 3 days, 21 hours, 30 minutes, 40 seconds.
• To count from 1 to 18,914,439,331,840 would take you about one million, five hundred three thousand, five hundred fifty-one 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 18914439331840 cubic inches would be around 2220.3 feet tall.

Recreational maths with 18914439331840

• 18914439331840 backwards is 04813393441981
• The number of decimal digits it has is: 14
• The sum of 18914439331840's digits is 58
• More coming soon!