81738413977420928
81,738,413,977,420,928 is an even composite number composed of seven prime numbers multiplied together.
81738413977420928 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 81738413977420928:
27 × 7 × 13 × 19 × 227 × 3967 × 410141
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 13 × 19 × 227 × 3967 × 410141)See below for interesting mathematical facts about the number 81738413977420928 from the Numbermatics database.
Names of 81738413977420928
- Cardinal: 81738413977420928 can be written as Eighty-one quadrillion, seven hundred thirty-eight trillion, four hundred thirteen billion, nine hundred seventy-seven million, four hundred twenty thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 8.1738413977420928 × 1016
Factors of 81738413977420928
Divisors of 81738413977420928
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 4 7 8 13 14 16 19 26 28 32 38 52 56 64 76 91 104 112 128 133 152 182 208 224 227 247 266 304 364 416 448 454 494 532 608 728 832 896 908 988 1064 1216 1456 1589 1664 1729 1816 1976 2128 2432 2912 2951 3178 3458 3632 3952 3967 4256 4313 5824 5902 6356 6916 7264 7904 7934 8512 8626 11648 11804 12712 13832 14528 15808 15868 17024 17252 20657 23608 25424 27664 27769 29056 30191 31616 31736 34504 41314 47216 50848 51571 55328 55538 56069 60382 63472 69008 75373 82628 94432 101696 103142 110656 111076 112138 120764 126944 138016 150746 165256 188864 203392 206284 221312 222152 224276 241528 253888 276032 301492 330512 360997 377728 392483 410141 412568 444304 448552 483056 507776 527611 552064 602984 661024 721994 784966 820282 825136 888608 897104 900509 966112 979849 1055222 1205968 1322048 1443988 1569932 1640564 1650272 1777216 1794208 1801018 1932224 1959698 2110444 2411936 2644096 2870987 2887976 3139864 3281128 3300544 3554432 3588416 3602036 3864448 3919396 4220888 4823872 5331833 5741974 5775952 6279728 6303563 6562256 6601088 6858943 7176832 7204072 7792679 7838792 8441776 9647744 10663666 11483948 11551904 11706617 12559456 12607126 13124512 13717886 14408144 15585358 15677584 16883552 17109671 21327332 22967896 23103808 23413234 25118912 25214252 26249024 27435772 28816288 31170716 31355168 33767104 34219342 37322831 42654664 45935792 46207616 46826468 50237824 50428504 52498048 54548753 54871544 57632576 62341432 62710336 67534208 68438684 74645662 81946319 85309328 91871584 93102007 93652936 100857008 101304827 109097506 109743088 115265152 119767697 124682864 125420672 136877368 149291324 163892638 170618656 183743168 186204014 187305872 201714016 202609654 218195012 219486176 222425723 239535394 249365728 273754736 298582648 327785276 341237312 367486336 372408028 374611744 403428032 405219308 436390024 438972352 444851446 479070788 498731456 547509472 597165296 651714049 655570552 682474624 709133789 744816056 749223488 806856064 810438616 872780048 877944704 889702892 958141576 997462912 1095018944 1194330592 1210326091 1303428098 1311141104 1418267578 1489632112 1498446976 1556980061 1620877232 1627029347 1745560096 1768938133 1779405784 1916283152 2190037888 2388661184 2420652182 2606856196 2622282208 2836535156 2979264224 3113960122 3241754464 3254058694 3491120192 3537876266 3558811568 3832566304 4777322368 4841304364 5213712392 5244564416 5673070312 5958528448 6227920244 6483508928 6508117388 6982240384 7075752532 7117623136 7665132608 8472282637 9682608728 10427424784 10489128832 11346140624 11389205429 11917056896 12382566931 12455840488 12967017856 13016234776 14151505064 14235246272 15330265216 16944565274 19365217456 20854849568 21151381511 22692281248 22778410858 22996195729 24765133862 24911680976 26032469552 28303010128 28470492544 30913557593 33889130548 38730434912 41709699136 42302763022 45384562496 45556821716 45992391458 49530267724 49823361952 52064939104 56606020256 61827115186 67778261096 77460869824 83419398272 84605526044 90769124992 91113643432 91984782916 99060535448 99646723904 104129878208 113212040512 123654230372 135556522192 148059670577 154921739648 160973370103 169211052088 182227286864 183969565832 198121070896 199293447808 208259756416 216394903151 226424081024 247308460744 271113044384 296119341154 321946740206 338422104176 364454573728 367939131664 369335661769 396242141792 401876248709 432789806302 494616921488 542226088768 592238682308 643893480412 676844208352 728909147456 735878263328 738671323538 792484283584 803752497418 865579612604 989233842976 1084452177536 1184477364616 1287786960824 1353688416704 1457818294912 1471756526656 1477342647076 1584968567168 1607504994836 1731159225208 1978467685952 2368954729232 2575573921648 2585349632383 2707376833408 2813133740963 2943513053312 2954685294152 3215009989672 3462318450416 3956935371904 4737909458464 4801363602997 5151147843296 5170699264766 5626267481926 5909370588304 6430019979344 6924636900832 7017377573611 9475818916928 9602727205994 10302295686592 10341398529532 11252534963852 11818741176608 12860039958688 13849273801664 14034755147222 18951637833856 19205454411988 20604591373184 20682797059064 22505069927704 23637482353216 25720079917376 27698547603328 28069510294444 33609545220979 38410908823976 41365594118128 45010139855408 47274964706432 49121643015277 51440159834752 56139020588888 67219090441958 76821817647952 82731188236256 90020279710816 91225908456943 98243286030554 112278041177776 134438180883916 153643635295904 165462376472512 180040559421632 182451816913886 196486572061108 224556082355552 268876361767832 307287270591808 330924752945024 360081118843264 364903633827772 392973144122216 449112164711104 537752723535664 614574541183616 638581359198601 729807267655544 785946288244432 898224329422208 1075505447071328 1277162718397202 1459614535311088 1571892576488864 2151010894142656 2554325436794404 2919229070622176 3143785152977728 4302021788285312 5108650873588808 5838458141244352 6287570305955456 10217301747177616 11676916282488704 20434603494355232 40869206988710464 81738413977420928
- Sum of all divisors σ(n): 211947820071321600
- Sum of proper divisors (its aliquot sum) s(n): 130209406093900672
- 81738413977420928 is an abundant number, because the sum of its proper divisors (130209406093900672) is greater than itself. Its abundance is 48470992116479744
Bases of 81738413977420928
- Binary: 1001000100110010010100111100010011010000011000100100000002
- Hexadecimal: 0x12264A789A0C480
- Base-36: MCTUKZUUIRK
Squares and roots of 81738413977420928
- 81738413977420928 squared (817384139774209282) is 6681168319544240930766198492381184
- 81738413977420928 cubed (817384139774209283) is 546108101955736875983604446415312052676409795018752
-
The
square root of 81738413977420928 is 285899307.4098307919 -
The
cube root of 81738413977420928 is 433985.6826267465
Scales and comparisons
How big is 81738413977420928?- 81,738,413,977,420,928 seconds is equal to 2,599,028,730 years, 50 weeks, 2 days, 2 minutes, 8 seconds.
-
To count from 1 to 81,738,413,977,420,928 would take you about seven billion, seven hundred ninety-seven million, eighty-six thousand, one hundred ninety-two 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 81738413977420928 cubic inches would be around 36165.5 feet tall.
Recreational maths with 81738413977420928
- 81738413977420928 backwards is 82902477931483718
- The number of decimal digits it has is: 17
- The sum of 81738413977420928's digits is 83
- More coming soon!
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The information we have on file for 81738413977420928 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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