31280146690

Names of 31280146690

• Cardinal: 31280146690 can be written as Thirty-one billion, two hundred eighty million, one hundred forty-six thousand, six hundred ninety.

Scientific notation

• Scientific notation: 3.128014669 × 10¹⁰

Factors of 31280146690

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 349

Divisors of 31280146690

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 5 10 13 19 26 31 37 38 61 62 65 74 95 122 130 155 181 185 190 247 305 310 362 370 403 481 494 589 610 703 793 806 905 962 1147 1159 1178 1235 1406 1586 1810 1891 2015 2257 2294 2318 2353 2405 2470 2945 3439 3515 3782 3965 4030 4514 4706 4810 5611 5735 5795 5890 6697 6878 7030 7657 7930 9139 9455 11041 11222 11285 11470 11590 11765 13394 14911 15067 15314 17195 18278 18910 21793 22082 22570 23530 24583 28055 29341 29822 30134 33485 34390 35929 38285 42883 43586 44707 45695 49166 55205 56110 58682 66970 69967 71858 72943 74555 75335 76570 85766 87061 89414 91390 106609 108965 110410 122915 127243 139934 143533 145886 146705 149110 150670 174122 179645 207607 209779 213218 214415 217930 223535 245830 254486 283309 287066 293410 342271 349835 359290 364715 408517 415214 419558 428830 435305 447070 467077 533045 557479 566618 636215 684542 699670 717665 729430 817034 870610 909571 934154 1038035 1048895 1066090 1114958 1272430 1329373 1385917 1416545 1435330 1654159 1711355 1819142 2042585 2076070 2097790 2335385 2658746 2698891 2727127 2771834 2787395 2833090 3308318 3422710 3944533 4085170 4449523 4547855 4670770 5310721 5397782 5454254 5574790 6503149 6646865 6929585 7761823 7889066 8270795 8899046 9095710 10621442 12664027 13006298 13293730 13494455 13635635 13859170 15523646 16541590 17281849 19722665 22247615 25328054 26553605 26988910 27271270 32515745 34563698 38809115 39445330 44495230 51278929 53107210 63320135 65031490 77618230 84540937 86409245 100903699 102557858 126640270 164632351 169081874 172818490 201807398 240616513 256394645 329264702 422704685 481233026 504518495 512789290 823161755 845409370 1009036990 1203082565 1646323510 2406165130 3128014669 6256029338 15640073345 31280146690
• Sum of all divisors σ(n): 69155573760
• Sum of proper divisors (its aliquot sum) s(n): 37875427070
• 31280146690 is an abundant number, because the sum of its proper divisors (37875427070) is greater than itself. Its abundance is 6595280380

Bases of 31280146690

• Binary: 11101001000011100010010100100000010₂
• Hexadecimal: 0x748712902
• Base-36: EDBE3NM

Squares and roots of 31280146690

• 31280146690 squared (31280146690²) is 978447576947917956100
• 31280146690 cubed (31280146690³) is 30605983735405936156892980309000
• The square root of 31280146690 is 176861.9424579523
• The cube root of 31280146690 is 3150.8151645251

Scales and comparisons

• 31,280,146,690 seconds is equal to 994 years, 31 weeks, 5 days, 17 hours, 38 minutes, 10 seconds.
• To count from 1 to 31,280,146,690 would take you about one thousand, nine hundred eighty-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 31280146690 cubic inches would be around 262.6 feet tall.

Recreational maths with 31280146690

• 31280146690 backwards is 09664108213
• The number of decimal digits it has is: 11
• The sum of 31280146690's digits is 40
• More coming soon!