12489438720
12,489,438,720 is an even composite number composed of seven prime numbers multiplied together.
12489438720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred forty divisors.
Prime factorization of 12489438720:
29 × 3 × 5 × 11 × 19 × 31 × 251
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 19 × 31 × 251)See below for interesting mathematical facts about the number 12489438720 from the Numbermatics database.
Names of 12489438720
- Cardinal: 12489438720 can be written as Twelve billion, four hundred eighty-nine million, four hundred thirty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.248943872 × 1010
Factors of 12489438720
Divisors of 12489438720
- Number of divisors d(n): 640
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 19 20 22 24 30 31 32 33 38 40 44 48 55 57 60 62 64 66 76 80 88 93 95 96 110 114 120 124 128 132 152 155 160 165 176 186 190 192 209 220 228 240 248 251 256 264 285 304 310 320 330 341 352 372 380 384 418 440 456 465 480 496 502 512 528 570 589 608 620 627 640 660 682 704 744 753 760 768 836 880 912 930 960 992 1004 1023 1045 1056 1140 1178 1216 1240 1254 1255 1280 1320 1364 1408 1488 1506 1520 1536 1672 1705 1760 1767 1824 1860 1920 1984 2008 2046 2090 2112 2280 2356 2432 2480 2508 2510 2560 2640 2728 2761 2816 2945 2976 3012 3040 3135 3344 3410 3520 3534 3648 3720 3765 3840 3968 4016 4092 4180 4224 4560 4712 4769 4864 4960 5016 5020 5115 5280 5456 5522 5632 5890 5952 6024 6080 6270 6479 6688 6820 7040 7068 7296 7440 7530 7680 7781 7936 8032 8184 8283 8360 8448 8835 9120 9424 9538 9728 9920 10032 10040 10230 10560 10912 11044 11780 11904 12048 12160 12540 12958 13376 13640 13805 14080 14136 14307 14592 14880 15060 15562 15872 16064 16368 16566 16720 16896 17670 18240 18848 19076 19437 19840 20064 20080 20460 21120 21824 22088 23343 23560 23808 23845 24096 24320 25080 25916 26752 27280 27610 28160 28272 28614 29184 29760 30120 31124 32128 32395 32736 33132 33440 35340 36480 37696 38152 38874 38905 39680 40128 40160 40920 41415 42240 43648 44176 46686 47120 47616 47690 48192 48640 50160 51832 52459 53504 54560 55220 56544 57228 59520 60240 62248 64256 64790 65472 66264 66880 70680 71535 72960 75392 76304 77748 77810 79360 80256 80320 81840 82830 84480 85591 87296 88352 93372 94240 95380 96384 97185 100320 103664 104918 107008 109120 110440 113088 114456 116715 119040 120480 124496 128512 129580 130944 132528 133760 141360 143070 145920 147839 150784 152608 155496 155620 157377 160512 160640 163680 165660 171182 174592 176704 186744 188480 190760 192768 194370 200640 207328 209836 218240 220880 226176 228912 233430 238080 240960 248992 256773 259160 261888 262295 265056 267520 282720 286140 295678 301568 305216 310992 311240 314754 321024 321280 327360 331320 342364 353408 373488 376960 381520 385536 388740 401280 414656 419672 427955 436480 441760 443517 452352 457824 466860 481920 497984 513546 518320 523776 524590 530112 535040 565440 572280 591356 610432 621984 622480 629508 642560 654720 662640 684728 706816 739195 746976 753920 763040 777480 786885 802560 829312 839344 855910 872960 883520 887034 904704 915648 933720 963840 995968 1027092 1036640 1049180 1060224 1130880 1144560 1182712 1220864 1243968 1244960 1259016 1283865 1309440 1325280 1369456 1413632 1478390 1493952 1507840 1526080 1554960 1573770 1605120 1626229 1658624 1678688 1711820 1767040 1774068 1831296 1867440 1927680 1991936 2054184 2073280 2098360 2120448 2217585 2261760 2289120 2365424 2441728 2487936 2489920 2518032 2567730 2618880 2650560 2738912 2956780 2987904 3052160 3109920 3147540 3252458 3317248 3357376 3423640 3534080 3548136 3662592 3734880 3983872 4108368 4146560 4196720 4240896 4435170 4523520 4578240 4730848 4878687 4975872 4979840 5036064 5135460 5301120 5477824 5913560 5975808 6104320 6219840 6295080 6504916 6714752 6847280 7068160 7096272 7325184 7469760 8131145 8216736 8293120 8393440 8870340 9156480 9461696 9757374 9951744 9959680 10072128 10270920 10602240 10955648 11827120 11951616 12208640 12439680 12590160 13009832 13429504 13694560 14192544 14939520 16262290 16433472 16586240 16786880 17740680 18312960 18923392 19514748 19919360 20144256 20541840 21204480 21911296 23654240 24393435 24879360 25180320 26019664 26859008 27389120 28385088 29879040 32524580 32866944 33573760 35481360 36625920 37846784 39029496 40288512 41083680 43822592 47308480 48786870 49758720 50360640 52039328 54778240 56770176 59758080 65049160 65733888 67147520 70962720 75693568 78058992 80577024 82167360 94616960 97573740 100721280 104078656 109556480 113540352 130098320 131467776 134295040 141925440 156117984 164334720 189233920 195147480 201442560 208157312 219112960 227080704 260196640 283850880 312235968 328669440 378467840 390294960 402885120 416314624 520393280 567701760 624471936 657338880 780589920 832629248 1040786560 1135403520 1248943872 1561179840 2081573120 2497887744 3122359680 4163146240 6244719360 12489438720
- Sum of all divisors σ(n): 47516958720
- Sum of proper divisors (its aliquot sum) s(n): 35027520000
- 12489438720 is an abundant number, because the sum of its proper divisors (35027520000) is greater than itself. Its abundance is 22538081280
Bases of 12489438720
- Binary: 10111010000110110110110110000000002
- Hexadecimal: 0x2E86DB600
- Base-36: 5QJW0LC
Squares and roots of 12489438720
- 12489438720 squared (124894387202) is 155986079540635238400
- 12489438720 cubed (124894387203) is 1948178581595809559869390848000
-
The
square root of 12489438720 is 111756.1574142561 -
The
cube root of 12489438720 is 2320.1406177155
Scales and comparisons
How big is 12489438720?- 12,489,438,720 seconds is equal to 397 years, 6 weeks, 3 days, 16 hours, 32 minutes.
-
To count from 1 to 12,489,438,720 would take you about seven hundred ninety-four 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 12489438720 cubic inches would be around 193.3 feet tall.
Recreational maths with 12489438720
- 12489438720 backwards is 02783498421
- 12489438720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12489438720's digits is 48
- More coming soon!
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