12981706920
12,981,706,920 is an even composite number composed of seven prime numbers multiplied together.
12981706920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 12981706920:
23 × 33 × 5 × 7 × 13 × 23 × 5743
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 13 × 23 × 5743)See below for interesting mathematical facts about the number 12981706920 from the Numbermatics database.
Names of 12981706920
- Cardinal: 12981706920 can be written as Twelve billion, nine hundred eighty-one million, seven hundred six thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.298170692 × 1010
Factors of 12981706920
Divisors of 12981706920
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 23 24 26 27 28 30 35 36 39 40 42 45 46 52 54 56 60 63 65 69 70 72 78 84 90 91 92 104 105 108 115 117 120 126 130 135 138 140 156 161 168 180 182 184 189 195 207 210 216 230 234 252 260 270 273 276 280 299 312 315 322 345 351 360 364 378 390 414 420 455 460 468 483 504 520 540 546 552 585 598 621 630 644 690 702 728 756 780 805 819 828 840 897 910 920 936 945 966 1035 1080 1092 1170 1196 1242 1260 1288 1365 1380 1404 1449 1495 1512 1560 1610 1638 1656 1755 1794 1820 1890 1932 2070 2093 2184 2340 2392 2415 2457 2484 2520 2691 2730 2760 2808 2898 2990 3105 3220 3276 3510 3588 3640 3780 3864 4095 4140 4186 4347 4485 4680 4830 4914 4968 5382 5460 5743 5796 5980 6210 6279 6440 6552 7020 7176 7245 7560 8073 8190 8280 8372 8694 8970 9660 9828 10465 10764 10920 11486 11592 11960 12285 12420 12558 13455 14040 14490 16146 16380 16744 17229 17388 17940 18837 19320 19656 20930 21528 21735 22972 24570 24840 25116 26910 28715 28980 31395 32292 32760 34458 34776 35880 37674 40201 40365 41860 43470 45944 49140 50232 51687 53820 56511 57430 57960 62790 64584 68916 74659 75348 80402 80730 83720 86145 86940 94185 98280 103374 107640 113022 114860 120603 125580 132089 137832 149318 150696 155061 160804 161460 172290 173880 188370 201005 206748 223977 226044 229720 241206 251160 258435 264178 282555 298636 310122 321608 322920 344580 361809 373295 376740 396267 402010 413496 447954 452088 482412 516870 522613 528356 565110 597272 603015 620244 660445 671931 689160 723618 746590 753480 775305 792534 804020 895908 924623 964824 1033740 1045226 1056712 1085427 1119885 1130220 1188801 1206030 1240488 1320890 1343862 1447236 1493180 1550610 1567839 1585068 1608040 1717157 1791816 1809045 1849246 1981335 2015793 2067480 2090452 2170854 2239770 2260440 2377602 2412060 2613065 2641780 2687724 2773869 2894472 2986360 3101220 3135678 3170136 3359655 3434314 3566403 3618090 3698492 3962670 4031586 4180904 4341708 4479540 4623115 4703517 4755204 4824120 5151471 5226130 5283560 5375448 5427135 5547738 5944005 6202440 6271356 6719310 6868628 7132806 7236180 7396984 7839195 7925340 8063172 8321607 8585785 8683416 8959080 9246230 9407034 9510408 10078965 10302942 10452260 10854270 11095476 11888010 12020099 12542712 13438620 13737256 13869345 14110551 14265612 14472360 15454413 15678390 15850680 16126344 16643214 17171570 17832015 18492460 18814068 20157930 20605884 20904520 21708540 22190952 23517585 23776020 24040198 24964821 25757355 26877240 27738690 28221102 28531224 30908826 31356780 33286428 34343140 35664030 36060297 36984920 37628136 40315860 41211768 41608035 43417080 46363239 47035170 47552040 48080396 49929642 51514710 55477380 56442204 60100495 61817652 62713560 66572856 68686280 70552755 71328060 72120594 77272065 80631720 83216070 92726478 94070340 96160792 99859284 103029420 108180891 110954760 112884408 120200990 123635304 124824105 141105510 142656120 144241188 154544130 166432140 180301485 185452956 188140680 199718568 206058840 216361782 231816195 240401980 249648210 282211020 288482376 309088260 324542673 332864280 360602970 370905912 432723564 463632390 480803960 499296420 540904455 564422040 618176520 649085346 721205940 865447128 927264780 998592840 1081808910 1298170692 1442411880 1622713365 1854529560 2163617820 2596341384 3245426730 4327235640 6490853460 12981706920
- Sum of all divisors σ(n): 55583539200
- Sum of proper divisors (its aliquot sum) s(n): 42601832280
- 12981706920 is an abundant number, because the sum of its proper divisors (42601832280) is greater than itself. Its abundance is 29620125360
Bases of 12981706920
- Binary: 11000001011100010100100000101010002
- Hexadecimal: 0x305C520A8
- Base-36: 5YOZ160
Squares and roots of 12981706920
- 12981706920 squared (129817069202) is 168524714556775886400
- 12981706920 cubed (129817069203) is 2187738453152722257368013888000
-
The
square root of 12981706920 is 113937.2938067251 -
The
cube root of 12981706920 is 2350.2312686233
Scales and comparisons
How big is 12981706920?- 12,981,706,920 seconds is equal to 412 years, 40 weeks, 3 days, 5 hours, 42 minutes.
-
To count from 1 to 12,981,706,920 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 12981706920 cubic inches would be around 195.9 feet tall.
Recreational maths with 12981706920
- 12981706920 backwards is 02960718921
- 12981706920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12981706920's digits is 45
- More coming soon!
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