31304657840

Names of 31304657840

• Cardinal: 31304657840 can be written as Thirty-one billion, three hundred four million, six hundred fifty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.130465784 × 10¹⁰

Factors of 31304657840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 449

Divisors of 31304657840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 29 40 41 46 58 80 82 92 115 116 145 164 184 205 230 232 290 328 349 368 410 460 464 580 656 667 698 820 920 943 1160 1189 1334 1396 1640 1681 1745 1840 1886 2320 2378 2668 2792 3280 3335 3362 3490 3772 4715 4756 5336 5584 5945 6670 6724 6980 7544 8027 8405 9430 9512 10121 10672 11890 13340 13448 13960 14309 15088 16054 16810 18860 19024 20242 23780 26680 26896 27347 27920 28618 32108 33620 37720 38663 40135 40484 47560 48749 50605 53360 54694 57236 64216 67240 71545 75440 77326 80270 80968 95120 97498 101210 109388 114472 128432 134480 136735 143090 154652 160540 161936 193315 194996 202420 218776 228944 232783 243745 273470 286180 309304 321080 329107 386630 389992 404840 414961 437552 465566 487490 546940 572360 586669 618608 642160 658214 773260 779984 809680 829922 931132 974980 1093880 1121227 1144720 1163915 1173338 1316428 1546520 1645535 1659844 1862264 1949960 2074805 2187760 2242454 2327830 2346676 2632856 2933345 3093040 3291070 3319688 3724528 3899920 4149610 4484908 4655660 4693352 5265712 5606135 5866690 6582140 6639376 8299220 8969816 9311320 9386704 9544103 11212270 11733380 13164280 13493387 16598440 17013401 17939632 18622640 19088206 22424540 23466760 26328560 26986774 33196880 34026802 38176412 44849080 46933520 47720515 53973548 67466935 68053604 76352824 85067005 89698160 95441030 107947096 134933870 136107208 152705648 170134010 190882060 215894192 269867740 272214416 340268020 381764120 391308223 539735480 680536040 763528240 782616446 1079470960 1361072080 1565232892 1956541115 3130465784 3913082230 6260931568 7826164460 15652328920 31304657840
• Sum of all divisors σ(n): 80760456000
• Sum of proper divisors (its aliquot sum) s(n): 49455798160
• 31304657840 is an abundant number, because the sum of its proper divisors (49455798160) is greater than itself. Its abundance is 18151140320

Bases of 31304657840

• Binary: 11101001001111001110010101110110000₂
• Hexadecimal: 0x749E72BB0
• Base-36: EDPZGKW

Squares and roots of 31304657840

• 31304657840 squared (31304657840²) is 979981602479473465600
• 31304657840 cubed (31304657840³) is 30677988755114812463967010304000
• The square root of 31304657840 is 176931.2234739815
• The cube root of 31304657840 is 3151.6379434817

Scales and comparisons

• 31,304,657,840 seconds is equal to 995 years, 20 weeks, 2 days, 10 hours, 17 minutes, 20 seconds.
• To count from 1 to 31,304,657,840 would take you about one thousand, nine hundred ninety 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 31304657840 cubic inches would be around 262.6 feet tall.

Recreational maths with 31304657840

• 31304657840 backwards is 04875640313
• 31304657840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31304657840's digits is 41
• More coming soon!