20990463370665408

Names of 20990463370665408

• Cardinal: 20990463370665408 can be written as Twenty quadrillion, nine hundred ninety trillion, four hundred sixty-three billion, three hundred seventy million, six hundred sixty-five thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.0990463370665408 × 10¹⁶

Factors of 20990463370665408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7616016

Divisors of 20990463370665408

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 93 96 108 124 144 186 192 216 248 279 288 372 432 496 558 576 744 837 864 992 1116 1488 1674 1728 1984 2232 2976 3348 4464 5952 6696 8928 13392 17856 26784 51803 53568 103606 155409 207212 310818 414424 466227 621636 828848 932454 1243272 1398681 1605893 1657696 1864908 2486544 2797362 3211786 3315392 3729816 4817679 4973088 5594724 6423572 7459632 7564177 9635358 9946176 11189448 12847144 14453037 14919264 15128354 19270716 22378896 22692531 25694288 28906074 29838528 30256708 38541432 43359111 44757792 45385062 51388576 57812148 60513416 68077593 77082864 86718222 89515584 90770124 102777152 115624296 121026832 136155186 154165728 173436444 181540248 204232779 231248592 234489487 242053664 272310372 308331456 346872888 363080496 408465558 462497184 468978974 484107328 544620744 693745776 703468461 726160992 816931116 924994368 937957948 1089241488 1387491552 1406936922 1452321984 1633862232 1875915896 2110405383 2178482976 2774983104 2813873844 3267724464 3751831792 4220810766 4356965952 5627747688 6331216149 6535448928 7503663584 8441621532 11255495376 12662432298 13070897856 15007327168 16883243064 22510990752 25324864596 33766486128 45021981504 50649729192 67532972256 101299458384 135065944512 202598916768 391847061131 405197833536 783694122262 1175541183393 1567388244524 2351082366786 3134776489048 3526623550179 4702164733572 6269552978096 7053247100358 9404329467144 10579870650537 12147258895061 12539105956192 14106494200716 18808658934288 21159741301074 24294517790122 25078211912384 28212988401432 36441776685183 37617317868576 42319482602148 48589035580244 56425976802864 72883553370366 75234635737152 84638965204296 97178071160488 109325330055549 112851953605728 145767106740732 169277930408592 194356142320976 218650660111098 225703907211456 291534213481464 327975990166647 338555860817184 388712284641952 437301320222196 583068426962928 655951980333294 677111721634368 777424569283904 874602640444392 1166136853925856 1311903960666588 1749205280888784 2332273707851712 2623807921333176 3498410561777568 5247615842666352 6996821123555136 10495231685332704 20990463370665408
• Sum of all divisors σ(n): 63699896311326720
• Sum of proper divisors (its aliquot sum) s(n): 42709432940661312
• 20990463370665408 is an abundant number, because the sum of its proper divisors (42709432940661312) is greater than itself. Its abundance is 21718969569995904

Bases of 20990463370665408

• Binary: 1001010100100101011011100011000111000010001110111000000₂
• Hexadecimal: 0x4A92B718E11DC0
• Base-36: 5QOHXR16UO0

Squares and roots of 20990463370665408

• 20990463370665408 squared (20990463370665408²) is 440599552515246201400652687806464
• 20990463370665408 cubed (20990463370665408³) is 9248388768202845224072107881875233744911603597312
• The square root of 20990463370665408 is 144880859.2280754249
• The cube root of 20990463370665408 is 275850.6480809021

Scales and comparisons

• 20,990,463,370,665,408 seconds is equal to 667,431,807 years, 21 weeks, 6 days, 5 hours, 16 minutes, 48 seconds.
• To count from 1 to 20,990,463,370,665,408 would take you about two billion, two million, two hundred ninety-five thousand, four hundred twenty-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 20990463370665408 cubic inches would be around 22987.6 feet tall.

Recreational maths with 20990463370665408

• 20990463370665408 backwards is 80456607336409902
• 20990463370665408 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20990463370665408's digits is 72
• More coming soon!