71555492894991

Names of 71555492894991

• Cardinal: 71555492894991 can be written as Seventy-one trillion, five hundred fifty-five billion, four hundred ninety-two million, eight hundred ninety-four thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 7.1555492894991 × 10¹³

Factors of 71555492894991

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14797

Divisors of 71555492894991

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 21 61 139 163 173 183 417 427 489 519 973 1141 1211 1281 2919 3423 3633 8479 9943 10553 14251 22657 24047 25437 28199 29829 31659 42753 59353 67971 69601 72141 73871 84597 99757 158599 168329 178059 197393 208803 221613 299271 475797 504987 592179 869311 1382077 1466867 1720139 1980889 2322913 2465423 2607933 3919661 4146231 4400601 5160417 5942667 6085177 6968739 7396269 9674539 10268069 11758983 12040973 13866223 16260391 17257961 18255531 27437627 29023617 30804207 36122919 41598669 48781173 51773883 82312881 120834229 141697693 150390803 239099321 322884907 342693797 362502687 401863949 425093079 451172409 717297963 845839603 968654721 991883851 1028081391 1052735621 1205591847 1673695247 2260194349 2398856579 2537518809 2813047643 2975651553 3158206863 5021085741 6780583047 7196569737 8439142929 19695979327 20904321617 24513700889 55859088911 59087937981 62712964851 73541102667 137871855289 146330251319 167577266733 171595906223 391013622377 413615565867 438990753957 514787718669 1173040867131 3407404423571 10222213270713 23851830964997 71555492894991
• Sum of all divisors σ(n): 112963623198720
• Sum of proper divisors (its aliquot sum) s(n): 41408130303729
• 71555492894991 is a deficient number, because the sum of its proper divisors (41408130303729) is less than itself. Its deficiency is 30147362591262

Bases of 71555492894991

• Binary: 10000010001010001001111101111000101100100001111₂
• Hexadecimal: 0x41144FBC590F
• Base-36: PD450YM8F

Squares and roots of 71555492894991

• 71555492894991 squared (71555492894991²) is 5120188563445107482152890081
• 71555492894991 cubed (71555492894991³) is 366377616372610563464631459527372098484271
• The square root of 71555492894991 is 8459047.9898739787
• The cube root of 71555492894991 is 41515.8874468119

Scales and comparisons

• 71,555,492,894,991 seconds is equal to 2,275,243 years, 17 weeks, 4 days, 4 hours, 9 minutes, 51 seconds.
• To count from 1 to 71,555,492,894,991 would take you about five million, six hundred eighty-eight thousand, one hundred 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 71555492894991 cubic inches would be around 3459.7 feet tall.

Recreational maths with 71555492894991

• 71555492894991 backwards is 19949829455517
• The number of decimal digits it has is: 14
• The sum of 71555492894991's digits is 78
• More coming soon!