12981208500

Names of 12981208500

• Cardinal: 12981208500 can be written as Twelve billion, nine hundred eighty-one million, two hundred eight thousand, five hundred.

Scientific notation

• Scientific notation: 1.29812085 × 10¹⁰

Factors of 12981208500

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 288

Divisors of 12981208500

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 17 18 19 20 25 26 27 30 34 36 38 39 45 50 51 52 54 57 60 65 68 75 76 78 85 90 95 100 102 108 114 117 125 130 135 150 153 156 170 171 180 190 195 204 221 225 228 229 234 247 250 255 260 270 285 300 306 323 325 340 342 351 375 380 390 425 442 450 458 459 468 475 494 500 510 513 540 570 585 612 646 650 663 675 684 687 702 741 750 765 780 850 855 884 900 916 918 950 969 975 988 1020 1026 1105 1125 1140 1145 1170 1235 1275 1292 1300 1326 1350 1374 1404 1425 1482 1500 1530 1615 1625 1700 1710 1755 1836 1900 1938 1950 1989 2052 2061 2125 2210 2223 2250 2290 2295 2340 2375 2470 2550 2565 2652 2700 2748 2850 2907 2925 2964 2977 3060 3230 3250 3315 3375 3420 3435 3510 3705 3825 3876 3893 3900 3978 4122 4199 4250 4275 4351 4420 4446 4500 4580 4590 4750 4845 4875 4940 5100 5130 5525 5700 5725 5814 5850 5954 5967 6175 6183 6375 6460 6500 6630 6669 6750 6870 7020 7125 7410 7650 7786 7956 8075 8244 8398 8500 8550 8702 8721 8775 8892 8931 9180 9500 9690 9750 9945 10260 10305 11050 11115 11450 11475 11628 11679 11700 11908 11934 12350 12366 12597 12750 12825 13053 13260 13338 13500 13740 14250 14535 14625 14820 14885 15300 15572 16150 16575 16796 17100 17175 17404 17442 17550 17862 18525 19125 19380 19465 19500 19890 20610 20995 21375 21755 22100 22230 22900 22950 23358 23868 24225 24700 24732 25194 25500 25650 26106 26676 26793 27625 28500 28625 29070 29250 29770 29835 30875 30915 32300 33150 33345 34350 34884 35037 35100 35724 37050 37791 38250 38930 39159 39780 40375 41220 41990 42750 43510 43605 43875 44460 44655 45900 46716 48450 49725 50388 50609 51300 51525 52212 53586 55250 55575 56563 57250 57375 58140 58395 58500 59540 59670 61750 61830 62985 64125 65265 66300 66690 68700 70074 72675 73967 74100 74425 75582 76500 77860 78318 80379 80750 82875 83980 85500 85875 87020 87210 87750 89310 92625 96900 97325 99450 101218 103050 104975 105111 107172 108775 110500 111150 113126 113373 114500 114750 116790 117477 119340 121125 123500 123660 125970 128250 130530 133380 133965 140148 145350 147934 148850 149175 151164 151827 154575 156636 160758 161500 165750 166725 169689 171750 174420 175185 175500 178620 185250 188955 194650 195795 198900 202436 206100 209950 210222 217550 218025 221901 222300 223275 226252 226746 229500 233580 234954 242250 248625 251940 253045 256500 257625 261060 267930 277875 282815 290700 291975 295868 297700 298350 303654 309150 314925 321516 326325 331500 333450 339378 343500 350370 363375 369835 370500 372125 377910 389300 391590 401895 419900 420444 435100 436050 443802 446550 453492 455481 469908 484500 486625 497250 506090 509067 515250 524875 525555 535860 543875 555750 565630 566865 583950 587385 596700 607308 618300 629850 652650 665703 666900 669825 678756 700740 726750 739670 744250 745875 755820 759135 772875 783180 803790 833625 848445 872100 875925 887604 893100 910962 944775 961571 973250 978975 994500 1012180 1018134 1030500 1049750 1051110 1087750 1090125 1109505 1111500 1116375 1131260 1133730 1167900 1174770 1259700 1265225 1305300 1331406 1339650 1366443 1414075 1453500 1459875 1479340 1488500 1491750 1518270 1527201 1545750 1574625 1607580 1631625 1667250 1696890 1751850 1821924 1849175 1889550 1923142 1946500 1957950 1997109 2009475 2036268 2099500 2102220 2175500 2180250 2219010 2232750 2267460 2277405 2349540 2530450 2545335 2627775 2662812 2679300 2732886 2828150 2834325 2884713 2919750 2936925 2983500 3036540 3054402 3091500 3149250 3263250 3328515 3334500 3349125 3393780 3503700 3698350 3779100 3795675 3846284 3915900 3994218 4018950 4242225 4360500 4379625 4438020 4465500 4554810 4723875 4807855 4894875 5060900 5090670 5255550 5465772 5547525 5656300 5668650 5769426 5839500 5873850 6108804 6298500 6326125 6526500 6657030 6698250 6832215 7070375 7396700 7591350 7636005 7988436 8037900 8484450 8654139 8759250 9109620 9245875 9447750 9615710 9789750 9985545 10047375 10181340 10511100 11095050 11337300 11387025 11538852 11747700 12652250 12726675 13138875 13314060 13396500 13664430 14140750 14171625 14423565 14684625 15182700 15272010 16642575 16968900 17308278 17518500 18491750 18895500 18978375 19231420 19579500 19971090 20094750 21211125 22190100 22774050 24039275 25304500 25453350 25962417 26277750 27328860 27737625 28281500 28343250 28847130 29369250 30544020 33285150 34161075 34616556 36983500 37956750 38180025 39942180 40189500 42422250 43270695 45548100 48078550 49927725 50906700 51924834 52555500 55475250 56686500 56935125 57694260 58738500 63633375 66570300 68322150 72117825 75913500 76360050 83212875 84844500 86541390 96157100 99855450 103849668 110950500 113870250 120196375 127266750 129812085 136644300 144235650 152720100 166425750 170805375 173082780 190900125 199710900 216353475 227740500 240392750 249638625 254533500 259624170 288471300 332851500 341610750 360589125 381800250 432706950 480785500 499277250 519248340 649060425 683221500 721178250 763600500 865413900 998554500 1081767375 1298120850 1442356500 2163534750 2596241700 3245302125 4327069500 6490604250 12981208500
• Sum of all divisors σ(n): 50633856000
• Sum of proper divisors (its aliquot sum) s(n): 37652647500
• 12981208500 is an abundant number, because the sum of its proper divisors (37652647500) is greater than itself. Its abundance is 24671439000

Bases of 12981208500

• Binary: 1100000101101111011000010110110100₂
• Hexadecimal: 0x305BD85B4
• Base-36: 5YOOCL0

Squares and roots of 12981208500

• 12981208500 squared (12981208500²) is 168511774120472250000
• 12981208500 cubed (12981208500³) is 2187486474562754395714125000000
• The square root of 12981208500 is 113935.1065299893
• The cube root of 12981208500 is 2350.2011899581

Scales and comparisons

• 12,981,208,500 seconds is equal to 412 years, 39 weeks, 4 days, 11 hours, 15 minutes.
• To count from 1 to 12,981,208,500 would take you about eight hundred twenty-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 12981208500 cubic inches would be around 195.9 feet tall.

Recreational maths with 12981208500

• 12981208500 backwards is 00580218921
• 12981208500 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12981208500's digits is 36
• More coming soon!