3998928733821

Names of 3998928733821

• Cardinal: 3998928733821 can be written as Three trillion, nine hundred ninety-eight billion, nine hundred twenty-eight million, seven hundred thirty-three thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 3.998928733821 × 10¹²

Factors of 3998928733821

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 31044

Divisors of 3998928733821

• Number of divisors d(n): 224
• Complete list of divisors:
  1 3 7 9 19 21 27 31 43 57 63 81 93 129 133 171 189 217 243 279 301 387 399 513 567 589 651 729 817 837 903 1161 1197 1333 1539 1701 1767 1953 2451 2511 2709 3483 3591 3999 4123 4617 5103 5301 5719 5859 7353 7533 8127 9331 10449 10773 11997 12369 13851 15903 17157 17577 22059 22599 24381 25327 27993 30941 31347 32319 35991 37107 47709 51471 52731 66177 73143 75981 83979 92823 96957 107973 111321 143127 154413 158193 177289 198531 216587 219429 227943 251937 278469 323919 333963 429381 463239 531867 587879 595593 649761 683829 755811 835407 959171 971757 1001889 1330463 1389717 1595601 1763637 1949283 2051487 2267433 2506221 2877513 3005667 3991389 4115153 4169151 4786803 5290911 5847849 6154461 6714197 6802299 7518663 8632539 9313241 11974167 12345459 14360409 15872733 17543547 18224249 18463383 20142591 22555989 25278797 25897617 27939723 35922501 37036377 41244353 43081227 47618199 52630641 54672747 60427773 75836391 77692851 83819169 107767503 111109131 123733059 127569743 129243681 142854597 157891923 164018241 176951579 181283319 227509173 233078553 251457507 288710471 323302509 333327393 371199177 382709229 428563791 492054723 530854737 543849957 682527519 699235659 754372521 783642707 866131413 969907527 999982179 1113597531 1148127687 1476164169 1592564211 1631549871 2047582557 2263117563 2350928121 2598394239 2999946537 3340792593 3444383061 4428492507 4777692633 4894649613 5485498949 6142747671 6789352689 7052784363 7795182717 10022377779 10333149183 13285477521 14333077899 16456496847 18428243013 21158353089 23385548151 30067133337 30999447549 42999233697 49369490541 63475059267 70156644453 92998342647 128997701091 148108471623 190425177801 210469933359 444325414869 571275533403 1332976244607 3998928733821
• Sum of all divisors σ(n): 7618880839680
• Sum of proper divisors (its aliquot sum) s(n): 3619952105859
• 3998928733821 is a deficient number, because the sum of its proper divisors (3619952105859) is less than itself. Its deficiency is 378976627962

Bases of 3998928733821

• Binary: 111010001100010010101110100000011001111101₂
• Hexadecimal: 0x3A312BA067D
• Base-36: 1F12YX2T9

Squares and roots of 3998928733821

• 3998928733821 squared (3998928733821²) is 15991431018179226269260041
• 3998928733821 cubed (3998928733821³) is 63948592993513318137777517370720546661
• The square root of 3998928733821 is 1999732.1655214231
• The cube root of 3998928733821 is 15872.5932856051

Scales and comparisons

• 3,998,928,733,821 seconds is equal to 127,153 years, 29 weeks, 2 days, 9 hours, 10 minutes, 21 seconds.
• To count from 1 to 3,998,928,733,821 would take you about three hundred seventeen thousand, eight hundred eighty-three 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 3998928733821 cubic inches would be around 1322.7 feet tall.

Recreational maths with 3998928733821

• 3998928733821 backwards is 1283378298993
• The number of decimal digits it has is: 13
• The sum of 3998928733821's digits is 72
• More coming soon!