12721431744
12,721,431,744 is an even composite number composed of five prime numbers multiplied together.
12721431744 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 12721431744:
26 × 32 × 72 × 23 × 19597
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 7 × 23 × 19597)See below for interesting mathematical facts about the number 12721431744 from the Numbermatics database.
Names of 12721431744
- Cardinal: 12721431744 can be written as Twelve billion, seven hundred twenty-one million, four hundred thirty-one thousand, seven hundred forty-four.
Scientific notation
- Scientific notation: 1.2721431744 × 1010
Factors of 12721431744
Divisors of 12721431744
- Number of divisors d(n): 252
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 32 36 42 46 48 49 56 63 64 69 72 84 92 96 98 112 126 138 144 147 161 168 184 192 196 207 224 252 276 288 294 322 336 368 392 414 441 448 483 504 552 576 588 644 672 736 784 828 882 966 1008 1104 1127 1176 1288 1344 1449 1472 1568 1656 1764 1932 2016 2208 2254 2352 2576 2898 3136 3312 3381 3528 3864 4032 4416 4508 4704 5152 5796 6624 6762 7056 7728 9016 9408 10143 10304 11592 13248 13524 14112 15456 18032 19597 20286 23184 27048 28224 30912 36064 39194 40572 46368 54096 58791 72128 78388 81144 92736 108192 117582 137179 156776 162288 176373 216384 235164 274358 313552 324576 352746 411537 450731 470328 548716 627104 649152 705492 823074 901462 940656 960253 1097432 1234611 1254208 1352193 1410984 1646148 1802924 1881312 1920506 2194864 2469222 2704386 2821968 2880759 3155117 3292296 3605848 3762624 3841012 4056579 4389728 4938444 5408772 5643936 5761518 6310234 6584592 7211696 7682024 8113158 8642277 8779456 9465351 9876888 10817544 11287872 11523036 12620468 13169184 14423392 15364048 16226316 17284554 18930702 19753776 21635088 22085819 23046072 25240936 26338368 28396053 28846784 30728096 32452632 34569108 37861404 39507552 43270176 44171638 46092144 50481872 56792106 61456192 64905264 66257457 69138216 75722808 79015104 86540352 88343276 92184288 100963744 113584212 129810528 132514914 138276432 151445616 176686552 184368576 198772371 201927488 227168424 259621056 265029828 276552864 302891232 353373104 397544742 454336848 530059656 553105728 605782464 706746208 795089484 908673696 1060119312 1413492416 1590178968 1817347392 2120238624 3180357936 4240477248 6360715872 12721431744
- Sum of all divisors σ(n): 44263415664
- Sum of proper divisors (its aliquot sum) s(n): 31541983920
- 12721431744 is an abundant number, because the sum of its proper divisors (31541983920) is greater than itself. Its abundance is 18820552176
Bases of 12721431744
- Binary: 10111101100100000110100100110000002
- Hexadecimal: 0x2F641A4C0
- Base-36: 5UE0FK0
Squares and roots of 12721431744
- 12721431744 squared (127214317442) is 161834825617250881536
- 12721431744 cubed (127214317443) is 2058770687891999758384053878784
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The
square root of 12721431744 is 112789.3246012227 -
The
cube root of 12721431744 is 2334.4182190587
Scales and comparisons
How big is 12721431744?- 12,721,431,744 seconds is equal to 404 years, 26 weeks, 19 hours, 2 minutes, 24 seconds.
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To count from 1 to 12,721,431,744 would take you about eight hundred nine 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 12721431744 cubic inches would be around 194.5 feet tall.
Recreational maths with 12721431744
- 12721431744 backwards is 44713412721
- 12721431744 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12721431744's digits is 36
- More coming soon!
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