30913182720

Names of 30913182720

• Cardinal: 30913182720 can be written as Thirty billion, nine hundred thirteen million, one hundred eighty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 3.091318272 × 10¹⁰

Factors of 30913182720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 13708

Divisors of 30913182720

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 49 56 60 63 64 70 72 80 84 90 96 98 105 112 120 126 128 140 144 147 160 168 180 192 196 210 224 240 245 252 256 280 288 294 315 320 336 360 384 392 420 441 448 480 490 504 512 560 576 588 630 640 672 720 735 768 784 840 882 896 960 980 1008 1024 1120 1152 1176 1260 1280 1344 1440 1470 1536 1568 1680 1764 1792 1920 1960 2016 2205 2240 2304 2352 2520 2560 2688 2880 2940 3072 3136 3360 3528 3584 3840 3920 4032 4410 4480 4608 4704 5040 5120 5376 5760 5880 6272 6720 7056 7168 7680 7840 8064 8820 8960 9216 9408 10080 10752 11520 11760 12544 13440 13691 14112 15360 15680 16128 17640 17920 18816 20160 21504 23040 23520 25088 26880 27382 28224 31360 32256 35280 35840 37632 40320 41073 46080 47040 50176 53760 54764 56448 62720 64512 68455 70560 75264 80640 82146 94080 95837 107520 109528 112896 123219 125440 136910 141120 150528 161280 164292 188160 191674 205365 219056 225792 246438 250880 273820 282240 287511 322560 328584 376320 383348 410730 438112 451584 479185 492876 547640 564480 575022 616095 657168 670859 752640 766696 821460 862533 876224 958370 985752 1095280 1128960 1150044 1232190 1314336 1341718 1437555 1533392 1642920 1725066 1752448 1916740 1971504 2012577 2190560 2257920 2300088 2464380 2628672 2683436 2875110 3066784 3285840 3354295 3450132 3504896 3833480 3943008 4025154 4312665 4381120 4600176 4928760 5257344 5366872 5750220 6037731 6133568 6571680 6708590 6900264 7009792 7666960 7886016 8050308 8625330 8762240 9200352 9857520 10062885 10514688 10733744 11500440 12075462 12267136 13143360 13417180 13800528 14019584 15333920 15772032 16100616 17250660 17524480 18400704 19715040 20125770 21029376 21467488 23000880 24150924 24534272 26286720 26834360 27601056 30188655 30667840 31544064 32201232 34501320 35048960 36801408 39430080 40251540 42058752 42934976 46001760 48301848 49068544 52573440 53668720 55202112 60377310 61335680 63088128 64402464 69002640 70097920 73602816 78860160 80503080 85869952 92003520 96603696 98137088 105146880 107337440 110404224 120754620 122671360 126176256 128804928 138005280 147205632 157720320 161006160 171739904 184007040 193207392 210293760 214674880 220808448 241509240 245342720 257609856 276010560 294411264 315440640 322012320 343479808 368014080 386414784 429349760 441616896 483018480 490685440 515219712 552021120 630881280 644024640 686959616 736028160 772829568 858699520 883233792 966036960 1030439424 1104042240 1288049280 1472056320 1545659136 1717399040 1932073920 2060878848 2208084480 2576098560 3091318272 3434798080 3864147840 4416168960 5152197120 6182636544 7728295680 10304394240 15456591360 30913182720
• Sum of all divisors σ(n): 124610371704
• Sum of proper divisors (its aliquot sum) s(n): 93697188984
• 30913182720 is an abundant number, because the sum of its proper divisors (93697188984) is greater than itself. Its abundance is 62784006264

Bases of 30913182720

• Binary: 11100110010100100011011110000000000₂
• Hexadecimal: 0x73291BC00
• Base-36: E78WSG0

Squares and roots of 30913182720

• 30913182720 squared (30913182720²) is 955624865880106598400
• 30913182720 cubed (30913182720³) is 29541406090727228889416859648000
• The square root of 30913182720 is 175821.4512509777
• The cube root of 30913182720 is 3138.4453715785

Scales and comparisons

• 30,913,182,720 seconds is equal to 982 years, 49 weeks, 11 hours, 12 minutes.
• To count from 1 to 30,913,182,720 would take you about one thousand, nine hundred sixty-five 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 30913182720 cubic inches would be around 261.5 feet tall.

Recreational maths with 30913182720

• 30913182720 backwards is 02728131903
• 30913182720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30913182720's digits is 36
• More coming soon!