81442645344
81,442,645,344 is an even composite number composed of six prime numbers multiplied together.
What does the number 81442645344 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 384 divisors.
81442645344 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 81442645344:
25 × 33 × 41 × 43 × 127 × 421
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 41 × 43 × 127 × 421)See below for interesting mathematical facts about the number 81442645344 from the Numbermatics database.
Names of 81442645344
- Cardinal: 81442645344 can be written as Eighty-one billion, four hundred forty-two million, six hundred forty-five thousand, three hundred forty-four.
Scientific notation
- Scientific notation: 8.1442645344 × 1010
Factors of 81442645344
Divisors of 81442645344
- 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 41 43 48 54 72 82 86 96 108 123 127 129 144 164 172 216 246 254 258 288 328 344 369 381 387 421 432 492 508 516 656 688 738 762 774 842 864 984 1016 1032 1107 1143 1161 1263 1312 1376 1476 1524 1548 1684 1763 1968 2032 2064 2214 2286 2322 2526 2952 3048 3096 3368 3429 3526 3789 3936 4064 4128 4428 4572 4644 5052 5207 5289 5461 5904 6096 6192 6736 6858 7052 7578 8856 9144 9288 10104 10414 10578 10922 11367 11808 12192 12384 13472 13716 14104 15156 15621 15867 16383 17261 17712 18103 18288 18576 20208 20828 21156 21844 22734 27432 28208 30312 31242 31734 32766 34522 35424 36206 36576 37152 40416 41656 42312 43688 45468 46863 47601 49149 51783 53467 54309 54864 56416 60624 62484 63468 65532 69044 72412 83312 84624 87376 90936 93726 95202 98298 103566 106934 108618 109728 121248 124968 126936 131064 138088 140589 144824 147447 155349 160401 162927 166624 169248 174752 181872 187452 190404 196596 207132 213868 217236 223901 249936 253872 262128 276176 281178 289648 294894 310698 320802 325854 363744 374904 380808 393192 414264 427736 434472 447802 466047 481203 488781 499872 507744 524256 552352 562356 579296 589788 621396 641604 651708 671703 742223 749808 761616 786384 828528 855472 868944 895604 932094 962406 977562 1124712 1179576 1242792 1283208 1303416 1343406 1443609 1484446 1499616 1523232 1572768 1657056 1710944 1737888 1791208 1864188 1924812 1955124 2015109 2192147 2226669 2249424 2299081 2359152 2485584 2566416 2606832 2686812 2887218 2968892 3582416 3728376 3849624 3910248 4030218 4384294 4453338 4498848 4598162 4718304 4971168 5132832 5213664 5373624 5774436 5937784 6045327 6576441 6680007 6897243 7164832 7456752 7699248 7820496 8060436 8768588 8906676 9196324 10747248 11548872 11875568 12090654 13152882 13360014 13794486 14913504 15398496 15640992 16120872 17537176 17813352 18392648 19729323 20040021 20691729 21494496 23097744 23751136 24181308 26305764 26720028 27588972 32241744 35074352 35626704 36785296 39458646 40080042 41383458 46195488 48362616 52611528 53440056 55177944 59187969 62075187 64483488 70148704 71253408 73570592 78917292 80160084 82766916 94262321 96725232 105223056 106880112 110355888 118375938 124150374 157834584 160320168 165533832 188524642 193450464 210446112 213760224 220711776 236751876 248300748 282786963 315669168 320640336 331067664 377049284 473503752 496601496 565573926 631338336 641280672 662135328 754098568 848360889 947007504 993202992 1131147852 1508197136 1696721778 1894015008 1986405984 2262295704 2545082667 3016394272 3393443556 4524591408 5090165334 6786887112 9049182816 10180330668 13573774224 20360661336 27147548448 40721322672 81442645344
- Sum of all divisors σ(n): 251550351360
- Sum of proper divisors (its aliquot sum) s(n): 170107706016
- 81442645344 is an abundant number, because the sum of its proper divisors (170107706016) is greater than itself. Its abundance is 88665060672
Bases of 81442645344
- Binary: 10010111101100101110000100101011000002
- Hexadecimal: 0x12F65C2560
- Base-36: 11EWUJC0
Squares and roots of 81442645344
- 81442645344 squared (814426453442) is 6632904480628564878336
- 81442645344 cubed (814426453443) is 540201287216460727582013356867584
-
The
square root of 81442645344 is 285381.5784944781 -
The
cube root of 81442645344 is 4334.6159413589
Scales and comparisons
How big is 81442645344?- 81,442,645,344 seconds is equal to 2,589 years, 32 weeks, 3 days, 5 hours, 2 minutes, 24 seconds.
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To count from 1 to 81,442,645,344 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 81442645344 cubic inches would be around 361.2 feet tall.
Recreational maths with 81442645344
- 81442645344 backwards is 44354624418
- The number of decimal digits it has is: 11
- The sum of 81442645344's digits is 45
- More coming soon!
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The information we have on file for 81442645344 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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