81441438336
81,441,438,336 is an even composite number composed of five prime numbers multiplied together.
81441438336 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 81441438336:
27 × 35 × 53 × 127 × 389
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 53 × 127 × 389)See below for interesting mathematical facts about the number 81441438336 from the Numbermatics database.
Names of 81441438336
- Cardinal: 81441438336 can be written as Eighty-one billion, four hundred forty-one million, four hundred thirty-eight thousand, three hundred thirty-six.
Scientific notation
- Scientific notation: 8.1441438336 × 1010
Factors of 81441438336
Divisors of 81441438336
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 53 54 64 72 81 96 106 108 127 128 144 159 162 192 212 216 243 254 288 318 324 381 384 389 424 432 477 486 508 576 636 648 762 778 848 864 954 972 1016 1143 1152 1167 1272 1296 1431 1524 1556 1696 1728 1908 1944 2032 2286 2334 2544 2592 2862 3048 3112 3392 3429 3456 3501 3816 3888 4064 4293 4572 4668 5088 5184 5724 6096 6224 6731 6784 6858 7002 7632 7776 8128 8586 9144 9336 10176 10287 10368 10503 11448 12192 12448 12879 13462 13716 14004 15264 15552 16256 17172 18288 18672 20193 20352 20574 20617 21006 22896 24384 24896 25758 26924 27432 28008 30528 30861 31104 31509 34344 36576 37344 40386 41148 41234 42012 45792 48768 49403 49792 51516 53848 54864 56016 60579 61056 61722 61851 63018 68688 73152 74688 80772 82296 82468 84024 91584 94527 98806 103032 107696 109728 112032 121158 123444 123702 126036 137376 146304 148209 149376 161544 164592 164936 168048 181737 183168 185553 189054 197612 206064 215392 219456 224064 242316 246888 247404 252072 274752 296418 323088 329184 329872 336096 363474 371106 378108 395224 412128 430784 438912 444627 448128 484632 493776 494808 504144 545211 549504 556659 592836 646176 658368 659744 672192 726948 742212 756216 790448 824256 861568 889254 969264 987552 989616 1008288 1090422 1113318 1185672 1292352 1316736 1319488 1333881 1344384 1453896 1484424 1512432 1580896 1635633 1648512 1669977 1778508 1938528 1975104 1979232 2016576 2180844 2226636 2371344 2584704 2618359 2638976 2667762 2907792 2968848 3024864 3161792 3271266 3339954 3557016 3877056 3950208 3958464 4001643 4033152 4361688 4453272 4742688 5009931 5236718 5335524 5815584 5937696 6049728 6323584 6542532 6679908 7114032 7754112 7855077 7916928 8003286 8723376 8906544 9485376 10019862 10473436 10671048 11631168 11875392 12004929 12099456 13085064 13359816 14228064 15710154 16006572 17446752 17813088 18970752 20039724 20946872 21342096 23262336 23565231 23750784 24009858 26170128 26719632 28456128 31420308 32013144 34893504 35626176 40079448 41893744 42684192 47130462 48019716 52340256 53439264 56912256 62840616 64026288 69787008 70695693 71252352 80158896 83787488 85368384 94260924 96039432 104680512 106878528 125681232 128052576 141391386 160317792 167574976 170736768 188521848 192078864 209361024 212087079 213757056 251362464 256105152 282782772 320635584 335149952 377043696 384157728 424174158 502724928 512210304 565565544 636261237 641271168 754087392 768315456 848348316 1005449856 1131131088 1272522474 1508174784 1536630912 1696696632 2262262176 2545044948 3016349568 3393393264 4524524352 5090089896 6786786528 9049048704 10180179792 13573573056 20360359584 27147146112 40720719168 81441438336
- Sum of all divisors σ(n): 250213017600
- Sum of proper divisors (its aliquot sum) s(n): 168771579264
- 81441438336 is an abundant number, because the sum of its proper divisors (168771579264) is greater than itself. Its abundance is 87330140928
Bases of 81441438336
- Binary: 10010111101100100100110111010100000002
- Hexadecimal: 0x12F649BA80
- Base-36: 11EW4O00
Squares and roots of 81441438336
- 81441438336 squared (814414383362) is 6632707878236490448896
- 81441438336 cubed (814414383363) is 540177269666098533318816543277056
-
The
square root of 81441438336 is 285379.4637600961 -
The
cube root of 81441438336 is 4334.5945277537
Scales and comparisons
How big is 81441438336?- 81,441,438,336 seconds is equal to 2,589 years, 30 weeks, 3 days, 5 hours, 45 minutes, 36 seconds.
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To count from 1 to 81,441,438,336 would take you about five thousand, one hundred seventy-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 81441438336 cubic inches would be around 361.2 feet tall.
Recreational maths with 81441438336
- 81441438336 backwards is 63383414418
- The number of decimal digits it has is: 11
- The sum of 81441438336's digits is 45
- More coming soon!
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