990445885866

Names of 990445885866

• Cardinal: 990445885866 can be written as Nine hundred ninety billion, four hundred forty-five million, eight hundred eighty-five thousand, eight hundred sixty-six.

Scientific notation

• Scientific notation: 9.90445885866 × 10¹¹

Factors of 990445885866

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 682480

Divisors of 990445885866

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 6 9 17 18 27 31 34 51 54 62 81 93 102 153 162 186 279 289 306 459 527 558 578 837 867 918 1054 1377 1581 1674 1734 2511 2601 2754 3162 4743 5022 5202 7803 8959 9486 14229 15606 17918 23409 26877 28458 42687 46818 53754 80631 85374 161262 241893 483786 682427 725679 1364854 1451358 2047281 4094562 6141843 11601259 12283686 18425529 21155237 23202518 34803777 36851058 42310474 55276587 63465711 69607554 104411331 110553174 126931422 190397133 197221403 208822662 313233993 359639029 380794266 394442806 571191399 591664209 626467986 719278058 939701979 1078917087 1142382798 1183328418 1713574197 1774992627 1879403958 2157834174 3236751261 3427148394 3549985254 5324977881 6113863493 6473502522 9710253783 10649955762 12227726986 15974933643 18341590479 19420507566 29130761349 31949867286 36683180958 55024771437 58261522698 110049542874 165074314311 330148628622 495222942933 990445885866
• Sum of all divisors σ(n): 2433614679936
• Sum of proper divisors (its aliquot sum) s(n): 1443168794070
• 990445885866 is an abundant number, because the sum of its proper divisors (1443168794070) is greater than itself. Its abundance is 452722908204

Bases of 990445885866

• Binary: 1110011010011011001011001101100110101010₂
• Hexadecimal: 0xE69B2CD9AA
• Base-36: CN05WOMI

Squares and roots of 990445885866

• 990445885866 squared (990445885866²) is 980983052828885498569956
• 990445885866 cubed (990445885866³) is 971610628778638574944601146592641896
• The square root of 990445885866 is 995211.4779613427
• The cube root of 990445885866 is 9968.0509876531

Scales and comparisons

• 990,445,885,866 seconds is equal to 31,493 years, 6 weeks, 1 hour, 11 minutes, 6 seconds.
• To count from 1 to 990,445,885,866 would take you about sixty-two thousand, nine hundred eighty-six 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 990445885866 cubic inches would be around 830.7 feet tall.

Recreational maths with 990445885866

• 990445885866 backwards is 668588544099
• The number of decimal digits it has is: 12
• The sum of 990445885866's digits is 72
• More coming soon!