12991944240
12,991,944,240 is an even composite number composed of five prime numbers multiplied together.
12991944240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 12991944240:
24 × 33 × 5 × 113 × 4519
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 11 × 11 × 11 × 4519)See below for interesting mathematical facts about the number 12991944240 from the Numbermatics database.
Names of 12991944240
- Cardinal: 12991944240 can be written as Twelve billion, nine hundred ninety-one million, nine hundred forty-four thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.299194424 × 1010
Factors of 12991944240
Divisors of 12991944240
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 44 45 48 54 55 60 66 72 80 88 90 99 108 110 120 121 132 135 144 165 176 180 198 216 220 240 242 264 270 297 330 360 363 396 432 440 484 495 528 540 594 605 660 720 726 792 880 968 990 1080 1089 1188 1210 1320 1331 1452 1485 1584 1815 1936 1980 2160 2178 2376 2420 2640 2662 2904 2970 3267 3630 3960 3993 4356 4519 4752 4840 5324 5445 5808 5940 6534 6655 7260 7920 7986 8712 9038 9680 10648 10890 11880 11979 13068 13310 13557 14520 15972 16335 17424 18076 19965 21296 21780 22595 23760 23958 26136 26620 27114 29040 31944 32670 35937 36152 39930 40671 43560 45190 47916 49709 52272 53240 54228 59895 63888 65340 67785 71874 72304 79860 81342 87120 90380 95832 99418 106480 108456 119790 122013 130680 135570 143748 149127 159720 162684 179685 180760 191664 198836 203355 216912 239580 244026 248545 261360 271140 287496 298254 319440 325368 359370 361520 397672 406710 447381 479160 488052 497090 542280 546799 574992 596508 610065 650736 718740 745635 795344 813420 894762 958320 976104 994180 1084560 1093598 1193016 1220130 1342143 1437480 1491270 1626840 1640397 1789524 1952208 1988360 2187196 2236905 2386032 2440260 2684286 2733995 2874960 2982540 3253680 3280794 3579048 3976720 4374392 4473810 4880520 4921191 5368572 5467990 5965080 6014789 6561588 6710715 7158096 8201985 8748784 8947620 9761040 9842382 10737144 10935980 11930160 12029578 13123176 13421430 14763573 16403970 17895240 18044367 19684764 21474288 21871960 24059156 24605955 26246352 26842860 29527146 30073945 32807940 35790480 36088734 39369528 43743920 48118312 49211910 53685720 54133101 59054292 60147890 65615880 72177468 73817865 78739056 90221835 96236624 98423820 107371440 108266202 118108584 120295780 131231760 144354936 147635730 162399303 180443670 196847640 216532404 236217168 240591560 270665505 288709872 295271460 324798606 360887340 393695280 433064808 481183120 541331010 590542920 649597212 721774680 811996515 866129616 1082662020 1181085840 1299194424 1443549360 1623993030 2165324040 2598388848 3247986060 4330648080 6495972120 12991944240
- Sum of all divisors σ(n): 49232563200
- Sum of proper divisors (its aliquot sum) s(n): 36240618960
- 12991944240 is an abundant number, because the sum of its proper divisors (36240618960) is greater than itself. Its abundance is 23248674720
Bases of 12991944240
- Binary: 11000001100110000101010110001100002
- Hexadecimal: 0x306615630
- Base-36: 5YV2GC0
Squares and roots of 12991944240
- 12991944240 squared (129919442402) is 168790615135269177600
- 12991944240 cubed (129919442403) is 2192918260072717212769857024000
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The
square root of 12991944240 is 113982.2101908889 -
The
cube root of 12991944240 is 2350.8489004939
Scales and comparisons
How big is 12991944240?- 12,991,944,240 seconds is equal to 413 years, 5 weeks, 2 days, 17 hours, 24 minutes.
-
To count from 1 to 12,991,944,240 would take you about eight hundred twenty-six 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 12991944240 cubic inches would be around 195.9 feet tall.
Recreational maths with 12991944240
- 12991944240 backwards is 04244919921
- 12991944240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12991944240's digits is 45
- More coming soon!
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