38990011716721

Names of 38990011716721

• Cardinal: 38990011716721 can be written as Thirty-eight trillion, nine hundred ninety billion, eleven million, seven hundred sixteen thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 3.8990011716721 × 10¹³

Factors of 38990011716721

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 18050

Divisors of 38990011716721

• Number of divisors d(n): 64
• Complete list of divisors:
  1 13 23 89 193 299 439 1157 2047 2509 4439 5707 10097 17177 17293 26611 39071 57707 84727 131261 223301 224809 395071 397739 507923 898633 1101451 1539077 1948721 3337549 5135923 5170607 7540703 7591627 11682229 20008001 25333373 35398771 43388137 76763627 98029139 98691151 173436169 174607421 297041861 460184023 675654803 997927151 1465184011 2254670197 2269896473 3861544193 6831962803 8783512439 15540060469 19047392143 33699232253 88815516439 130401376979 202020786097 438090019289 1695217900727 2999231670517 38990011716721
• Sum of all divisors σ(n): 44640767001600
• Sum of proper divisors (its aliquot sum) s(n): 5650755284879
• 38990011716721 is a deficient number, because the sum of its proper divisors (5650755284879) is less than itself. Its deficiency is 33339256431842

Bases of 38990011716721

• Binary: 1000110111011000010001110011000101010001110001₂
• Hexadecimal: 0x237611CC5471
• Base-36: DTJRIA7W1

Squares and roots of 38990011716721

• 38990011716721 squared (38990011716721²) is 1520221013670040861550991841
• 38990011716721 cubed (38990011716721³) is 59273435135000368700928005273188674273361
• The square root of 38990011716721 is 6244198.2445083371
• The cube root of 38990011716721 is 33909.2191076933

Scales and comparisons

• 38,990,011,716,721 seconds is equal to 1,239,761 years, 39 weeks, 6 days, 18 hours, 12 minutes, 1 second.
• To count from 1 to 38,990,011,716,721 would take you about three million, ninety-nine thousand, four hundred four 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 38990011716721 cubic inches would be around 2825.8 feet tall.

Recreational maths with 38990011716721

• 38990011716721 backwards is 12761711009983
• The number of decimal digits it has is: 14
• The sum of 38990011716721's digits is 55
• More coming soon!