9913807890

Names of 9913807890

• Cardinal: 9913807890 can be written as Nine billion, nine hundred thirteen million, eight hundred seven thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 9.91380789 × 10⁹

Factors of 9913807890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2133

Divisors of 9913807890

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 17 18 21 27 30 34 35 42 45 49 51 54 63 70 81 85 90 98 102 105 119 126 135 147 153 162 170 189 210 238 245 255 270 294 306 315 343 357 378 405 441 459 490 510 567 595 630 686 714 735 765 810 833 882 918 945 1029 1071 1134 1190 1323 1377 1470 1530 1666 1715 1785 1890 2058 2099 2142 2205 2295 2499 2646 2754 2835 3087 3213 3430 3570 3969 4165 4198 4410 4590 4998 5145 5355 5670 5831 6174 6297 6426 6615 6885 7497 7938 8330 9261 9639 10290 10495 10710 11662 12495 12594 13230 13770 14693 14994 15435 16065 17493 18522 18891 19278 19845 20990 22491 24990 27783 29155 29386 30870 31485 32130 34986 35683 37485 37782 39690 44079 44982 46305 48195 52479 55566 56673 58310 62970 67473 71366 73465 74970 87465 88158 92610 94455 96390 102851 104958 107049 112455 113346 132237 134946 138915 146930 157437 170019 174930 178415 188910 205702 214098 220395 224910 249781 262395 264474 277830 283365 308553 314874 321147 337365 340038 356830 396711 440790 472311 499562 514255 524790 535245 566730 617106 642294 661185 674730 719957 749343 787185 793422 850095 925659 944622 963441 1028510 1070490 1190133 1248905 1322370 1439914 1498686 1542765 1574370 1605735 1700190 1748467 1851318 1926882 1983555 2159871 2248029 2361555 2380266 2497810 2776977 2890323 3085530 3211470 3496934 3599785 3746715 3967110 4319742 4496058 4628295 4723110 4817205 5245401 5553954 5780646 5950665 6479613 6744087 7199570 7493430 8330931 8742335 9256590 9634410 10490802 10799355 11240145 11901330 12239269 12959226 13488174 13884885 14451615 15736203 16661862 17484670 19438839 20232261 21598710 22480290 24478538 26227005 27769770 28903230 31472406 32398065 33720435 36717807 38877678 40464522 41654655 47208609 52454010 58316517 61196345 64796130 67440870 73435614 78681015 83309310 94417218 97194195 101161305 110153421 116633034 122392690 141625827 157362030 183589035 194388390 202322610 220306842 236043045 283251654 291582585 330460263 367178070 472086090 550767105 583165170 660920526 708129135 991380789 1101534210 1416258270 1652301315 1982761578 3304602630 4956903945 9913807890
• Sum of all divisors σ(n): 32931360000
• Sum of proper divisors (its aliquot sum) s(n): 23017552110
• 9913807890 is an abundant number, because the sum of its proper divisors (23017552110) is greater than itself. Its abundance is 13103744220

Bases of 9913807890

• Binary: 1001001110111010001011010000010010₂
• Hexadecimal: 0x24EE8B412
• Base-36: 4JYFB4I

Squares and roots of 9913807890

• 9913807890 squared (9913807890²) is 98283586879826252100
• 9913807890 cubed (9913807890³) is 974364599066721979898109069000
• The square root of 9913807890 is 99568.1067912813
• The cube root of 9913807890 is 2148.2269781367

Scales and comparisons

• 9,913,807,890 seconds is equal to 315 years, 11 weeks, 6 days, 3 hours, 31 minutes, 30 seconds.
• To count from 1 to 9,913,807,890 would take you about six hundred thirty 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 9913807890 cubic inches would be around 179 feet tall.

Recreational maths with 9913807890

• 9913807890 backwards is 0987083199
• 9913807890 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9913807890's digits is 54
• More coming soon!