3998221678908

Names of 3998221678908

• Cardinal: 3998221678908 can be written as Three trillion, nine hundred ninety-eight billion, two hundred twenty-one million, six hundred seventy-eight thousand, nine hundred eight.

Scientific notation

• Scientific notation: 3.998221678908 × 10¹²

Factors of 3998221678908

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1666

Divisors of 3998221678908

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 27 31 34 36 51 54 62 68 81 93 102 108 124 153 162 186 204 243 279 306 324 372 459 486 527 558 612 729 837 918 972 1054 1116 1377 1458 1581 1613 1674 1836 2108 2511 2754 2916 3162 3226 3348 4131 4743 4839 5022 5508 6324 6452 7533 8262 9486 9678 10044 12393 14229 14517 15066 16524 18972 19356 22599 24786 27421 28458 29034 30132 42687 43551 45198 49572 50003 54842 56916 58068 82263 85374 87102 90396 100006 109684 128061 130653 150009 164526 170748 174204 200012 246789 256122 261306 300018 329052 384183 391959 450027 493578 512244 522612 600036 740367 768366 783918 850051 900054 987156 1175877 1350081 1480734 1536732 1567836 1700102 1800108 2221101 2351754 2550153 2601769 2700162 2961468 3400204 4050243 4442202 4703508 5100306 5203538 5400324 6663303 7650459 7805307 8100486 8884404 10200612 10407076 12150729 13326606 15300918 15610614 16200972 19989909 22951377 23415921 24301458 26653212 30601836 31221228 36452187 39979818 44230073 45902754 46831842 48602916 68854131 70247763 72904374 79959636 80654839 88460146 91805508 93663684 132690219 137708262 140495526 145808748 161309678 176920292 206562393 210743289 241964517 265380438 275416524 280991052 322619356 398070657 413124786 421486578 483929034 530760876 619687179 632229867 725893551 796141314 826249572 842973156 967858068 1194211971 1239374358 1264459734 1371132263 1451787102 1592282628 1896689601 2177680653 2388423942 2478748716 2528919468 2742264526 2903574204 3582635913 3793379202 4113396789 4355361306 4776847884 5484529052 6533041959 7165271826 7586758404 8226793578 8710722612 10747907739 12340190367 13066083918 14330543652 16453587156 19599125877 21495815478 24680380734 26132167836 32243723217 37020571101 39198251754 42991630956 49360761468 58797377631 64487446434 74041142202 78396503508 111061713303 117594755262 128974892868 148082284404 222123426606 235189510524 333185139909 444246853212 666370279818 999555419727 1332740559636 1999110839454 3998221678908
• Sum of all divisors σ(n): 11473046399808
• Sum of proper divisors (its aliquot sum) s(n): 7474824720900
• 3998221678908 is an abundant number, because the sum of its proper divisors (7474824720900) is greater than itself. Its abundance is 3476603041992

Bases of 3998221678908

• Binary: 111010001011101000100101010011100100111100₂
• Hexadecimal: 0x3A2E895393C
• Base-36: 1F0R9YFR0

Squares and roots of 3998221678908

• 3998221678908 squared (3998221678908²) is 15985776593689906252072464
• 3998221678908 cubed (3998221678908³) is 63914678531071066333894292868556389312
• The square root of 3998221678908 is 1999555.3703031081
• The cube root of 3998221678908 is 15871.6577470053

Scales and comparisons

• 3,998,221,678,908 seconds is equal to 127,131 years, 4 weeks, 1 day, 21 hours, 1 minute, 48 seconds.
• To count from 1 to 3,998,221,678,908 would take you about three hundred seventeen thousand, eight hundred twenty-seven 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 3998221678908 cubic inches would be around 1322.6 feet tall.

Recreational maths with 3998221678908

• 3998221678908 backwards is 8098761228993
• The number of decimal digits it has is: 13
• The sum of 3998221678908's digits is 72
• More coming soon!