6642638485920

Names of 6642638485920

• Cardinal: 6642638485920 can be written as Six trillion, six hundred forty-two billion, six hundred thirty-eight million, four hundred eighty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.64263848592 × 10¹²

Factors of 6642638485920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 859816

Divisors of 6642638485920

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 5399 10798 16197 21596 26995 32394 43192 48591 53990 64788 80985 86384 97182 107980 129576 161970 172768 194364 215960 242955 259152 323940 388728 431920 485910 518304 647880 777456 854407 863840 971820 1295760 1554912 1708814 1943640 2563221 2591520 3417628 3887280 4272035 5126442 6835256 7689663 7774560 8544070 10252884 12816105 13670512 15379326 17088140 20505768 25632210 27341024 30758652 34176280 38448315 41011536 51264420 61517304 68352560 76896630 82023072 102528840 123034608 136705120 153793260 205057680 246069216 307586520 410115360 615173040 1230346080 4612943393 9225886786 13838830179 18451773572 23064716965 27677660358 36903547144 41516490537 46129433930 55355320716 69194150895 73807094288 83032981074 92258867860 110710641432 138388301790 147614188576 166065962148 184517735720 207582452685 221421282864 276776603580 332131924296 369035471440 415164905370 442842565728 553553207160 664263848592 738070942880 830329810740 1107106414320 1328527697184 1660659621480 2214212828640 3321319242960 6642638485920
• Sum of all divisors σ(n): 22672228924800
• Sum of proper divisors (its aliquot sum) s(n): 16029590438880
• 6642638485920 is an abundant number, because the sum of its proper divisors (16029590438880) is greater than itself. Its abundance is 9386951952960

Bases of 6642638485920

• Binary: 1100000101010011100000110110111100110100000₂
• Hexadecimal: 0x60A9C1B79A0
• Base-36: 2CRL3G2W0

Squares and roots of 6642638485920

• 6642638485920 squared (6642638485920²) is 44124646054625550038246400
• 6642638485920 cubed (6642638485920³) is 293104072060053765318604264587890688000
• The square root of 6642638485920 is 2577331.6600546387
• The cube root of 6642638485920 is 18798.0819737827

Scales and comparisons

• 6,642,638,485,920 seconds is equal to 211,215 years, 18 weeks, 3 days, 21 hours, 12 minutes.
• To count from 1 to 6,642,638,485,920 would take you about five hundred twenty-eight thousand and thirty-eight 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 6642638485920 cubic inches would be around 1566.5 feet tall.

Recreational maths with 6642638485920

• 6642638485920 backwards is 0295848362466
• The number of decimal digits it has is: 13
• The sum of 6642638485920's digits is 63
• More coming soon!