9900720315

Names of 9900720315

• Cardinal: 9900720315 can be written as Nine billion, nine hundred million, seven hundred twenty thousand, three hundred fifteen.

Scientific notation

• Scientific notation: 9.900720315 × 10⁹

Factors of 9900720315

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 717

Divisors of 9900720315

• Number of divisors d(n): 112
• Complete list of divisors:
  1 3 5 9 15 27 45 67 71 81 135 201 213 243 335 355 405 571 603 639 729 1005 1065 1215 1713 1809 1917 2855 3015 3195 3645 4757 5139 5427 5751 8565 9045 9585 14271 15417 16281 17253 23785 25695 27135 28755 38257 40541 42813 46251 48843 51759 71355 77085 81405 86265 114771 121623 128439 138753 191285 202705 214065 231255 244215 258795 344313 364869 385317 416259 573855 608115 642195 693765 1032939 1094607 1155951 1721565 1824345 1926585 2081295 2716247 3098817 3283821 3467853 5164695 5473035 5779755 8148741 9296451 9851463 13581235 15494085 16419105 17339265 24446223 27889353 29554389 40743705 46482255 49257315 73338669 122231115 139446765 147771945 220016007 366693345 660048021 1100080035 1980144063 3300240105 9900720315
• Sum of all divisors σ(n): 18365757696
• Sum of proper divisors (its aliquot sum) s(n): 8465037381
• 9900720315 is a deficient number, because the sum of its proper divisors (8465037381) is less than itself. Its deficiency is 1435682934

Bases of 9900720315

• Binary: 1001001110001000010000000010111011₂
• Hexadecimal: 0x24E2100BB
• Base-36: 4JQMSOR

Squares and roots of 9900720315

• 9900720315 squared (9900720315²) is 98024262755853699225
• 9900720315 cubed (9900720315³) is 970510809629778605084857255875
• The square root of 9900720315 is 99502.3633638923
• The cube root of 9900720315 is 2147.2812445701

Scales and comparisons

• 9,900,720,315 seconds is equal to 314 years, 42 weeks, 1 day, 16 hours, 5 minutes, 15 seconds.
• To count from 1 to 9,900,720,315 would take you about six hundred twenty-nine 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 9900720315 cubic inches would be around 178.9 feet tall.

Recreational maths with 9900720315

• 9900720315 backwards is 5130270099
• The number of decimal digits it has is: 10
• The sum of 9900720315's digits is 36
• More coming soon!