12840792720
12,840,792,720 is an even composite number composed of seven prime numbers multiplied together.
12840792720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 12840792720:
24 × 3 × 5 × 7 × 31 × 79 × 3121
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 31 × 79 × 3121)See below for interesting mathematical facts about the number 12840792720 from the Numbermatics database.
Names of 12840792720
- Cardinal: 12840792720 can be written as Twelve billion, eight hundred forty million, seven hundred ninety-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.284079272 × 1010
Factors of 12840792720
Divisors of 12840792720
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 31 35 40 42 48 56 60 62 70 79 80 84 93 105 112 120 124 140 155 158 168 186 210 217 237 240 248 280 310 316 336 372 395 420 434 465 474 496 553 560 620 632 651 744 790 840 868 930 948 1085 1106 1185 1240 1264 1302 1488 1580 1659 1680 1736 1860 1896 2170 2212 2370 2449 2480 2604 2765 3121 3160 3255 3318 3472 3720 3792 4340 4424 4740 4898 5208 5530 6242 6320 6510 6636 7347 7440 8295 8680 8848 9363 9480 9796 10416 11060 12245 12484 13020 13272 14694 15605 16590 17143 17360 18726 18960 19592 21847 22120 24490 24968 26040 26544 29388 31210 33180 34286 36735 37452 39184 43694 44240 46815 48980 49936 51429 52080 58776 62420 65541 66360 68572 73470 74904 85715 87388 93630 96751 97960 102858 109235 117552 124840 131082 132720 137144 146940 149808 171430 174776 187260 193502 195920 205716 218470 246559 249680 257145 262164 274288 290253 293880 327705 342860 349552 374520 387004 411432 436940 483755 493118 514290 524328 580506 587760 655410 677257 685720 739677 749040 774008 822864 873880 967510 986236 1028580 1048656 1161012 1232795 1310820 1354514 1371440 1451265 1479354 1548016 1725913 1747760 1935020 1972472 2031771 2057160 2322024 2465590 2621640 2709028 2902530 2958708 3386285 3451826 3698385 3870040 3944944 4063542 4114320 4644048 4931180 5177739 5243280 5418056 5805060 5917416 6772570 6903652 7396770 7643329 7740080 8127084 8629565 9862360 10158855 10355478 10836112 11610120 11834832 13545140 13807304 14793540 15286658 16254168 17259130 19724720 20317710 20710956 22929987 23220240 25888695 27090280 27614608 29587080 30573316 32508336 34518260 38216645 40635420 41421912 45859974 51777390 53503303 54180560 59174160 61146632 69036520 76433290 81270840 82843824 91719948 103554780 107006606 114649935 122293264 138073040 152866580 160509909 162541680 183439896 207109560 214013212 229299870 267516515 305733160 321019818 366879792 414219120 428026424 458599740 535033030 611466320 642039636 802549545 856052848 917199480 1070066060 1284079272 1605099090 1834398960 2140132120 2568158544 3210198180 4280264240 6420396360 12840792720
- Sum of all divisors σ(n): 47570288640
- Sum of proper divisors (its aliquot sum) s(n): 34729495920
- 12840792720 is an abundant number, because the sum of its proper divisors (34729495920) is greater than itself. Its abundance is 21888703200
Bases of 12840792720
- Binary: 10111111010101111011110010100100002
- Hexadecimal: 0x2FD5EF290
- Base-36: 5WD2R2O
Squares and roots of 12840792720
- 12840792720 squared (128407927202) is 164885957678004998400
- 12840792720 cubed (128407927203) is 2117266404981954687578331648000
-
The
square root of 12840792720 is 113317.2216390783 -
The
cube root of 12840792720 is 2341.6965270245
Scales and comparisons
How big is 12840792720?- 12,840,792,720 seconds is equal to 408 years, 15 weeks, 3 days, 6 hours, 52 minutes.
-
To count from 1 to 12,840,792,720 would take you about eight hundred sixteen 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 12840792720 cubic inches would be around 195.1 feet tall.
Recreational maths with 12840792720
- 12840792720 backwards is 02729704821
- 12840792720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12840792720's digits is 42
- More coming soon!
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