981629949640

Names of 981629949640

• Cardinal: 981629949640 can be written as Nine hundred eighty-one billion, six hundred twenty-nine million, nine hundred forty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 9.8162994964 × 10¹¹

Factors of 981629949640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 267282

Divisors of 981629949640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 2153 4306 8612 10765 17224 21530 43060 86120 92579 185158 265079 370316 462895 530158 740632 925790 1060316 1325395 1851580 2120632 2650790 3703160 5301580 10603160 11398397 22796794 45593588 56991985 91187176 113983970 227967940 455935880 570715087 1141430174 2282860348 2853575435 4565720696 5707150870 11414301740 22828603480 24540748741 49081497482 98162994964 122703743705 196325989928 245407487410 490814974820 981629949640
• Sum of all divisors σ(n): 2261089987200
• Sum of proper divisors (its aliquot sum) s(n): 1279460037560
• 981629949640 is an abundant number, because the sum of its proper divisors (1279460037560) is greater than itself. Its abundance is 297830087920

Bases of 981629949640

• Binary: 1110010010001101101101000101011011001000₂
• Hexadecimal: 0xE48DB456C8
• Base-36: CIYD4KP4

Squares and roots of 981629949640

• 981629949640 squared (981629949640²) is 963597358030228936129600
• 981629949640 cubed (981629949640³) is 945896026036450680170570024513344000
• The square root of 981629949640 is 990772.4005239549
• The cube root of 981629949640 is 9938.3876705029

Scales and comparisons

• 981,629,949,640 seconds is equal to 31,212 years, 41 weeks, 2 days, 18 hours, 40 seconds.
• To count from 1 to 981,629,949,640 would take you about sixty-two thousand, four hundred twenty-five 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 981629949640 cubic inches would be around 828.2 feet tall.

Recreational maths with 981629949640

• 981629949640 backwards is 046949926189
• The number of decimal digits it has is: 12
• The sum of 981629949640's digits is 67
• More coming soon!