6738644591721

Names of 6738644591721

• Cardinal: 6738644591721 can be written as Six trillion, seven hundred thirty-eight billion, six hundred forty-four million, five hundred ninety-one thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 6.738644591721 × 10¹²

Factors of 6738644591721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 689

Divisors of 6738644591721

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 21 27 31 63 93 149 189 217 279 447 499 651 837 961 1043 1341 1497 1953 2883 3129 3493 4023 4491 4619 5859 6727 8649 9387 10479 13473 13857 15469 20181 25947 28161 31437 32333 41571 46407 60543 74351 94311 96999 108283 124713 139221 143189 181629 223053 249001 290997 324849 417663 429567 479539 520457 669159 747003 872991 974547 1002323 1288701 1438617 1561371 1743007 2007477 2241009 2304881 2923641 3006969 3356773 3866103 4315851 4684113 5229021 6723027 6914643 7719031 9020907 10070319 12947553 14052339 15687063 16134167 20743929 23157093 27062721 30210957 37101149 47061189 48402501 54033217 62231787 69471279 71451311 90632871 111303447 145207503 162099651 208413837 214353933 239289961 259708043 333910341 435622509 486298953 500159177 643061799 717869883 779124129 1001731023 1150135619 1458896859 1500477531 1675029727 1929185397 2153609649 2337372387 3450406857 4501432593 5025089181 6460828947 7012117161 8050949333 10351220571 13504297779 15075267543 24152847999 31053661713 35654204189 45225802629 72458543997 106962612567 217375631991 249579429323 320887837701 748738287969 962663513103 2246214863907 6738644591721
• Sum of all divisors σ(n): 11892215664000
• Sum of proper divisors (its aliquot sum) s(n): 5153571072279
• 6738644591721 is a deficient number, because the sum of its proper divisors (5153571072279) is less than itself. Its deficiency is 1585073519442

Bases of 6738644591721

• Binary: 1100010000011110110100001000110010001101001₂
• Hexadecimal: 0x620F6846469
• Base-36: 2DZOV0489

Squares and roots of 6738644591721

• 6738644591721 squared (6738644591721²) is 45409330933530682781741841
• 6738644591721 cubed (6738644591721³) is 305997342308905643662797112698667898361
• The square root of 6738644591721 is 2595889.9421433491
• The cube root of 6738644591721 is 18888.2120830989

Scales and comparisons

• 6,738,644,591,721 seconds is equal to 214,268 years, 2 weeks, 5 days, 15 hours, 55 minutes, 21 seconds.
• To count from 1 to 6,738,644,591,721 would take you about five hundred thirty-five thousand, six hundred seventy 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 6738644591721 cubic inches would be around 1574 feet tall.

Recreational maths with 6738644591721

• 6738644591721 backwards is 1271954468376
• 6738644591721 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 6738644591721's digits is 63
• More coming soon!