91390040973

Names of 91390040973

• Cardinal: 91390040973 can be written as Ninety-one billion, three hundred ninety million, forty thousand, nine hundred seventy-three.

Scientific notation

• Scientific notation: 9.1390040973 × 10¹⁰

Factors of 91390040973

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 165

Divisors of 91390040973

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 11 21 33 49 61 63 77 83 99 147 183 231 249 427 441 539 549 581 671 693 747 913 1281 1617 1743 2013 2739 2989 3721 3843 4067 4697 4851 5063 5229 6039 6391 8217 8967 11163 12201 14091 15189 19173 26047 26901 32879 33489 35441 36603 40931 42273 44737 45567 55693 57519 78141 98637 106323 122793 134211 167079 182329 226981 234423 248087 286517 295911 308843 318969 368379 389851 402633 501237 546987 680943 744261 859551 926529 1169553 1588867 1640961 2005619 2042829 2161901 2232783 2496791 2578653 2728957 2779587 3397273 3508659 4766601 6016857 6485703 7490373 8186871 10191819 11122069 14299803 15133307 17477537 18050571 18839423 19457109 22471119 23780911 24560613 30575457 33366207 45399921 52432611 56518269 71342733 100098621 122342759 131875961 136199763 157297833 166466377 169554807 207233653 214028199 367028277 395627883 499399131 621700959 923131727 1101084831 1186883649 1450635571 1498197393 1865102877 2769395181 4351906713 8308185543 10154448997 13055720139 30463346991 91390040973
• Sum of all divisors σ(n): 172364092992
• Sum of proper divisors (its aliquot sum) s(n): 80974052019
• 91390040973 is a deficient number, because the sum of its proper divisors (80974052019) is less than itself. Its deficiency is 10415988954

Bases of 91390040973

• Binary: 1010101000111010001010101101110001101₂
• Hexadecimal: 0x1547455B8D
• Base-36: 15ZF9QX9

Squares and roots of 91390040973

• 91390040973 squared (91390040973²) is 8352139589046618786729
• 91390040973 cubed (91390040973³) is 763302379255185872926274858647317
• The square root of 91390040973 is 302307.8579412053
• The cube root of 91390040973 is 4504.3585913809

Scales and comparisons

• 91,390,040,973 seconds is equal to 2,905 years, 47 weeks, 6 days, 2 hours, 29 minutes, 33 seconds.
• To count from 1 to 91,390,040,973 would take you about five thousand, eight hundred eleven 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 91390040973 cubic inches would be around 375.4 feet tall.

Recreational maths with 91390040973

• 91390040973 backwards is 37904009319
• The number of decimal digits it has is: 11
• The sum of 91390040973's digits is 45
• More coming soon!