31018217490

Names of 31018217490

• Cardinal: 31018217490 can be written as Thirty-one billion, eighteen million, two hundred seventeen thousand, four hundred ninety.

Scientific notation

• Scientific notation: 3.101821749 × 10¹⁰

Factors of 31018217490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3348

Divisors of 31018217490

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 41 45 54 65 67 78 82 90 117 123 130 134 135 195 201 205 234 246 270 335 351 369 390 402 410 533 585 603 615 670 702 738 871 1005 1066 1107 1170 1206 1230 1599 1742 1755 1809 1845 2010 2214 2613 2665 2747 3015 3198 3217 3510 3618 3690 4355 4797 5226 5330 5494 5535 6030 6434 7839 7995 8241 8710 9045 9594 9651 11070 13065 13735 14391 15678 15990 16085 16482 18090 19302 23517 23985 24723 26130 27470 28782 28953 32170 35711 39195 41205 41821 47034 47970 48255 49446 57906 71422 71955 74169 78390 82410 83642 86859 96510 107133 117585 123615 125463 131897 143910 144765 148338 173718 178555 209105 214266 215539 235170 247230 250926 263794 289530 321399 357110 370845 376389 395691 418210 431078 434295 535665 627315 642798 646617 659485 741690 752778 791382 868590 964197 1071330 1077695 1129167 1187073 1254630 1293234 1318970 1606995 1714661 1881945 1928394 1939851 1978455 2155390 2258334 2374146 2802007 3213990 3233085 3429322 3561219 3763890 3879702 3956910 4820985 5143983 5604014 5645835 5819553 5935365 6466170 7122438 8406021 8573305 8837099 9641970 9699255 10287966 11291670 11639106 11870730 14010035 15431949 16812042 17146610 17674198 17806095 19398510 25218063 25719915 26511297 28020070 29097765 30863898 35612190 42030105 44185495 46295847 50436126 51439830 53022594 58195530 75654189 77159745 79533891 84060210 88370990 92591694 114882287 126090315 132556485 151308378 154319490 159067782 229764574 231479235 238601673 252180630 265112970 344646861 378270945 397669455 462958470 477203346 574411435 689293722 756541890 795338910 1033940583 1148822870 1193008365 1723234305 2067881166 2386016730 3101821749 3446468610 5169702915 6203643498 10339405830 15509108745 31018217490
• Sum of all divisors σ(n): 92641328640
• Sum of proper divisors (its aliquot sum) s(n): 61623111150
• 31018217490 is an abundant number, because the sum of its proper divisors (61623111150) is greater than itself. Its abundance is 30604893660

Bases of 31018217490

• Binary: 11100111000110101000111000000010010₂
• Hexadecimal: 0x738D47012
• Base-36: E8ZG1SI

Squares and roots of 31018217490

• 31018217490 squared (31018217490²) is 962129816256941900100
• 31018217490 cubed (31018217490³) is 29843551894271561579595652749000
• The square root of 31018217490 is 176119.8952134597
• The cube root of 31018217490 is 3141.9958874887

Scales and comparisons

• 31,018,217,490 seconds is equal to 986 years, 14 weeks, 5 days, 3 hours, 31 minutes, 30 seconds.
• To count from 1 to 31,018,217,490 would take you about one thousand, nine hundred seventy-two 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 31018217490 cubic inches would be around 261.8 feet tall.

Recreational maths with 31018217490

• 31018217490 backwards is 09471281013
• The number of decimal digits it has is: 11
• The sum of 31018217490's digits is 36
• More coming soon!