12949778520

Names of 12949778520

• Cardinal: 12949778520 can be written as Twelve billion, nine hundred forty-nine million, seven hundred seventy-eight thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.294977852 × 10¹⁰

Factors of 12949778520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1128

Divisors of 12949778520

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 43 45 56 60 63 70 72 84 86 90 105 120 126 127 129 140 168 172 180 210 215 252 254 258 280 301 315 344 360 381 387 420 430 504 508 516 602 630 635 645 762 774 840 860 889 903 941 1016 1032 1143 1204 1260 1270 1290 1505 1524 1548 1720 1778 1806 1882 1905 1935 2286 2408 2520 2540 2580 2667 2709 2823 3010 3048 3096 3556 3612 3764 3810 3870 4445 4515 4572 4705 5080 5160 5334 5418 5461 5646 5715 6020 6587 7112 7224 7528 7620 7740 8001 8469 8890 9030 9144 9410 10668 10836 10922 11292 11430 12040 13174 13335 13545 14115 15240 15480 16002 16383 16938 17780 18060 18820 19761 21336 21672 21844 22584 22860 26348 26670 27090 27305 28230 32004 32766 32935 33876 35560 36120 37640 38227 39522 40005 40463 42345 43688 45720 49149 52696 53340 54180 54610 56460 59283 64008 65532 65870 67752 76454 79044 80010 80926 81915 84690 98298 98805 106680 108360 109220 112920 114681 118566 119507 121389 131064 131740 152908 158088 160020 161852 163830 169380 191135 196596 197610 202315 218440 229362 237132 239014 242778 245745 263480 283241 296415 305816 320040 323704 327660 338760 344043 358521 364167 382270 393192 395220 404630 458724 474264 478028 485556 491490 566482 573405 592830 597535 606945 655320 688086 717042 728334 764540 790440 809260 836549 849723 917448 956056 971112 982980 1075563 1132964 1146810 1185660 1195070 1213890 1376172 1416205 1434084 1456668 1529080 1618520 1673098 1699446 1720215 1792605 1820835 1965960 2151126 2265928 2293620 2371320 2390140 2427780 2509647 2549169 2752344 2832410 2868168 2913336 3346196 3398892 3440430 3585210 3641670 4182745 4248615 4302252 4587240 4780280 4855560 5019294 5098338 5138801 5377815 5664820 6692392 6797784 6880860 7170420 7283340 7528941 8365490 8497230 8604504 10038588 10196676 10277602 10755630 11329640 12548235 12745845 13761720 14340840 14566680 15057882 15416403 16730980 16994460 20077176 20393352 20555204 21511260 25096470 25491690 25694005 30115764 30832806 33461960 33988920 35971607 37644705 41110408 43022520 46249209 50192940 50983380 51388010 60231528 61665612 71943214 75289410 77082015 92498418 100385880 101966760 102776020 107914821 123331224 143886428 150578820 154164030 179858035 184996836 205552040 215829642 231246045 287772856 301157640 308328060 323744463 359716070 369993672 431659284 462492090 539574105 616656120 647488926 719432140 863318568 924984180 1079148210 1294977852 1438864280 1618722315 1849968360 2158296420 2589955704 3237444630 4316592840 6474889260 12949778520
• Sum of all divisors σ(n): 49658019840
• Sum of proper divisors (its aliquot sum) s(n): 36708241320
• 12949778520 is an abundant number, because the sum of its proper divisors (36708241320) is greater than itself. Its abundance is 23758462800

Bases of 12949778520

• Binary: 1100000011110111011111000001011000₂
• Hexadecimal: 0x303DDF058
• Base-36: 5Y5YP20

Squares and roots of 12949778520

• 12949778520 squared (12949778520²) is 167696763717053390400
• 12949778520 cubed (12949778520³) is 2171635948656613352695094208000
• The square root of 12949778520 is 113797.0936359975
• The cube root of 12949778520 is 2348.3028954117

Scales and comparisons

• 12,949,778,520 seconds is equal to 411 years, 39 weeks, 4 days, 16 hours, 42 minutes.
• To count from 1 to 12,949,778,520 would take you about eight hundred twenty-three 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 12949778520 cubic inches would be around 195.7 feet tall.

Recreational maths with 12949778520

• 12949778520 backwards is 02587794921
• The number of decimal digits it has is: 11
• The sum of 12949778520's digits is 54
• More coming soon!