12870731280

Names of 12870731280

• Cardinal: 12870731280 can be written as Twelve billion, eight hundred seventy million, seven hundred thirty-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.287073128 × 10¹⁰

Factors of 12870731280

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 98

Divisors of 12870731280

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 17 20 22 24 29 30 31 33 34 40 44 48 51 55 58 60 62 66 68 80 85 87 88 93 102 110 116 120 121 124 132 136 145 155 165 170 174 176 186 187 204 220 232 240 242 248 255 264 272 290 310 319 330 340 341 348 363 372 374 408 435 440 464 465 484 493 496 510 527 528 561 580 605 620 638 660 680 682 696 726 744 748 816 841 870 880 899 930 935 957 968 986 1020 1023 1054 1122 1160 1210 1240 1276 1320 1360 1364 1392 1452 1479 1488 1496 1581 1595 1682 1705 1740 1798 1815 1860 1870 1914 1936 1972 2040 2046 2057 2108 2244 2320 2420 2465 2480 2523 2552 2635 2640 2697 2728 2805 2904 2958 2992 3162 3190 3364 3410 3480 3509 3596 3630 3720 3740 3751 3828 3944 4080 4092 4114 4205 4216 4488 4495 4785 4840 4930 5046 5104 5115 5270 5394 5423 5456 5610 5797 5808 5916 6171 6324 6380 6728 6820 6960 7018 7192 7260 7395 7440 7480 7502 7656 7888 7905 8184 8228 8410 8432 8976 8990 9251 9570 9680 9860 9889 10092 10230 10285 10527 10540 10788 10846 11220 11253 11594 11832 12342 12615 12648 12760 13456 13485 13640 14036 14297 14384 14520 14790 14960 15004 15283 15312 15810 16269 16368 16456 16820 17391 17545 17980 18502 18755 19140 19720 19778 20184 20460 20570 21054 21080 21576 21692 22440 22506 23188 23664 24684 25230 25296 25520 26071 26970 27115 27280 27753 28072 28594 28985 29040 29580 29667 30008 30566 30855 31620 32538 32912 33640 34782 35090 35960 37004 37510 38280 39440 39556 40368 40920 41140 42108 42160 42891 43152 43384 44880 45012 45849 46255 46376 49368 49445 50460 52142 52635 53940 54230 55506 56144 56265 57188 57970 59160 59334 59653 60016 61132 61710 63240 63767 65076 67280 69564 70180 71485 71920 74008 75020 76415 76560 78213 79112 81345 81840 82280 84216 85782 86768 86955 90024 91698 92510 92752 98736 98890 100920 101761 104284 105270 107880 108460 108779 111012 112530 114376 115940 118320 118668 119306 122264 123420 126480 127534 130152 130355 138765 139128 140360 142970 148016 148335 150040 152830 156426 157267 158224 162690 164560 168113 168432 171564 173910 178959 180048 183396 185020 191301 197780 201840 203522 208568 210540 214455 215760 216920 217558 222024 225060 228752 229245 231880 237336 238612 244528 246840 255068 260304 260710 277530 278256 280720 285940 286781 296670 298265 300080 305283 305660 312852 314534 318835 325380 326337 336226 343128 347820 357918 366792 370040 382602 391065 395560 407044 417136 421080 428910 433840 435116 443207 444048 450120 458490 463760 471801 474672 477224 493680 504339 508805 510136 521420 543895 555060 571880 573562 593340 596530 610566 611320 625704 629068 637670 650760 652674 672452 686256 695640 715836 733584 740080 765204 782130 786335 791120 814088 840565 842160 857820 860343 870232 886414 894795 900240 916980 943602 954448 956505 1008678 1017610 1020272 1042840 1087790 1110120 1143760 1147124 1186680 1193060 1221132 1222640 1251408 1258136 1275340 1301520 1305348 1329621 1344904 1391280 1431672 1433905 1526415 1530408 1564260 1572670 1628176 1631685 1681130 1715640 1720686 1729937 1740464 1772828 1789590 1833960 1849243 1887204 1913010 2017356 2035220 2085680 2175580 2216035 2220240 2294248 2359005 2373360 2386120 2442264 2516272 2521695 2550680 2610696 2659242 2689808 2863344 2867810 3052830 3060816 3128520 3145340 3154591 3263370 3362260 3431280 3441372 3459874 3545656 3579180 3667920 3698486 3774408 3826020 4034712 4070440 4301715 4351160 4432070 4588496 4718010 4772240 4875277 4884528 5043390 5101360 5189811 5221392 5318484 5547729 5735620 6105660 6257040 6290680 6309182 6526740 6648105 6724520 6882744 6919748 7091312 7158360 7396972 7548816 7652040 8069424 8140880 8603430 8649685 8702320 8864140 9246215 9436020 9463773 9750554 10086780 10379622 10636968 11095458 11471240 12211320 12581360 12618364 13053480 13296210 13449040 13765488 13839496 14316720 14625831 14793944 15304080 15772955 17206860 17299370 17728280 18492430 18872040 18927546 19501108 20173560 20759244 21273936 22190916 22942480 24376385 24422640 25236728 25949055 26106960 26592420 27678992 27738645 29251662 29587888 31545910 34413720 34598740 35456560 36984860 37744080 37855092 39002216 40347120 41518488 44381832 47318865 48752770 50473456 51898110 53184840 53628047 55477290 58503324 63091820 68827440 69197480 73129155 73969720 75710184 78004432 83036976 88763664 94637730 97505540 103796220 106369680 107256094 110954580 117006648 126183640 138394960 146258310 147939440 151420368 160884141 189275460 195011080 207592440 214512188 221909160 234013296 252367280 268140235 292516620 321768282 378550920 390022160 415184880 429024376 443818320 536280470 585033240 643536564 757101840 804420705 858048752 1072560940 1170066480 1287073128 1608841410 2145121880 2574146256 3217682820 4290243760 6435365640 12870731280
• Sum of all divisors σ(n): 49643822592
• Sum of proper divisors (its aliquot sum) s(n): 36773091312
• 12870731280 is an abundant number, because the sum of its proper divisors (36773091312) is greater than itself. Its abundance is 23902360032

Bases of 12870731280

• Binary: 1011111111001001111100011000010000₂
• Hexadecimal: 0x2FF27C610
• Base-36: 5WUWFTC

Squares and roots of 12870731280

• 12870731280 squared (12870731280²) is 165655723681970438400
• 12870731280 cubed (12870731280³) is 2132110304504573693550193152000
• The square root of 12870731280 is 113449.2453919373
• The cube root of 12870731280 is 2343.5150182625

Scales and comparisons

• 12,870,731,280 seconds is equal to 409 years, 12 weeks, 6 days, 19 hours, 8 minutes.
• To count from 1 to 12,870,731,280 would take you about eight hundred eighteen 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 12870731280 cubic inches would be around 195.3 feet tall.

Recreational maths with 12870731280

• 12870731280 backwards is 08213707821
• The number of decimal digits it has is: 11
• The sum of 12870731280's digits is 39
• More coming soon!