990890479075

Names of 990890479075

• Cardinal: 990890479075 can be written as Nine hundred ninety billion, eight hundred ninety million, four hundred seventy-nine thousand and seventy-five.

Scientific notation

• Scientific notation: 9.90890479075 × 10¹¹

Factors of 990890479075

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1337

Divisors of 990890479075

• Number of divisors d(n): 120
• Complete list of divisors:
  1 5 7 25 35 49 53 175 245 265 331 343 371 941 1225 1325 1655 1715 1855 2317 2401 2597 4705 6587 8275 8575 9275 11585 12005 12985 16219 17543 18179 23525 32935 46109 49873 57925 60025 64925 81095 87715 90895 113533 122801 127253 164675 230545 249365 311471 322763 349111 405475 438575 454475 567665 614005 636265 794731 859607 1152725 1246825 1557355 1613815 1745555 2180297 2259341 2443777 2838325 3070025 3181325 3973655 4298035 6017249 7786775 8069075 8727775 10901485 11296705 12218885 15262079 16507963 17106439 19868275 21490175 30086245 42120743 54507425 56483525 61094425 76310395 82539815 85532195 106834553 115555741 119745073 150431225 210603715 381551975 412699075 427660975 534172765 577778705 598725365 747841871 808890187 1053018575 2670863825 2888893525 2993626825 3739209355 4044450935 5662231309 18696046775 20222254675 28311156545 39635619163 141555782725 198178095815 990890479075
• Sum of all divisors σ(n): 1466417210256
• Sum of proper divisors (its aliquot sum) s(n): 475526731181
• 990890479075 is a deficient number, because the sum of its proper divisors (475526731181) is less than itself. Its deficiency is 515363747894

Bases of 990890479075

• Binary: 1110011010110101101011001100110111100011₂
• Hexadecimal: 0xE6B5ACCDE3
• Base-36: CN7ILUXV

Squares and roots of 990890479075

• 990890479075 squared (990890479075²) is 981863941521483012855625
• 990890479075 cubed (990890479075³) is 972919631400690087012984640058546875
• The square root of 990890479075 is 995434.8190991715
• The cube root of 990890479075 is 9969.5422570221

Scales and comparisons

• 990,890,479,075 seconds is equal to 31,507 years, 13 weeks, 19 hours, 17 minutes, 55 seconds.
• To count from 1 to 990,890,479,075 would take you about sixty-three thousand and fourteen 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 990890479075 cubic inches would be around 830.8 feet tall.

Recreational maths with 990890479075

• 990890479075 backwards is 570974098099
• The number of decimal digits it has is: 12
• The sum of 990890479075's digits is 67
• More coming soon!