81445374010
81,445,374,010 is an even composite number composed of seven prime numbers multiplied together.
81445374010 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 81445374010:
2 × 5 × 73 × 11 × 132 × 53 × 241
(2 × 5 × 7 × 7 × 7 × 11 × 13 × 13 × 53 × 241)See below for interesting mathematical facts about the number 81445374010 from the Numbermatics database.
Names of 81445374010
- Cardinal: 81445374010 can be written as Eighty-one billion, four hundred forty-five million, three hundred seventy-four thousand and ten.
Scientific notation
- Scientific notation: 8.144537401 × 1010
Factors of 81445374010
Divisors of 81445374010
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 5 7 10 11 13 14 22 26 35 49 53 55 65 70 77 91 98 106 110 130 143 154 169 182 241 245 265 286 338 343 371 385 455 482 490 530 539 583 637 686 689 715 742 770 845 910 1001 1078 1166 1183 1205 1274 1378 1430 1687 1690 1715 1855 1859 2002 2366 2410 2597 2651 2695 2915 3133 3185 3374 3430 3445 3710 3718 3773 4081 4459 4823 5005 5194 5302 5390 5830 5915 6266 6370 6890 7007 7546 7579 8162 8281 8435 8918 8957 9295 9646 10010 11809 11830 12773 12985 13013 13255 14014 15158 15665 16562 16870 17914 18179 18557 18590 18865 20405 21931 22295 23618 24115 25546 25970 26026 26510 28567 31330 33761 34463 35035 36358 37114 37730 37895 40729 40810 41405 43862 44590 44785 48230 49049 53053 57134 57967 59045 62699 63865 65065 67522 68926 70070 75790 81458 82663 82810 89411 89570 90895 91091 92785 98098 98527 106106 109655 115934 118090 125398 127730 129899 130130 140503 142835 153517 165326 166049 168805 172315 178822 181790 182182 185570 197054 199969 203645 219310 236327 241241 245245 259798 265265 281006 285103 285670 289835 307034 313495 332098 337610 344630 371371 399938 407290 413315 438893 447055 448019 455455 472654 482482 490490 492635 530530 570206 579670 625877 626990 637637 649495 689689 702515 742742 767585 826630 830245 877786 894110 896038 909293 910910 983521 985270 999845 1074619 1162343 1181635 1206205 1251754 1275274 1298990 1379378 1405030 1425515 1535170 1660490 1688687 1818586 1826539 1856855 1967042 1995721 1999690 2149238 2158637 2194465 2240095 2324686 2363270 2412410 2599597 2851030 3072251 3129385 3136133 3188185 3377374 3448445 3653078 3713710 3991442 4317274 4381139 4388930 4480190 4546465 4827823 4917605 5199194 5373095 5811715 6144502 6258770 6272266 6376370 6884647 6896890 8136401 8443435 8762278 9092930 9132695 9655646 9835210 9978605 10746190 10793185 11623430 11820809 12785773 12997985 13769294 13970047 15110459 15361255 15680665 16272802 16886870 18265390 19957210 21586370 21905695 21952931 23641618 23745007 24139115 25571546 25995970 27940094 30220918 30722510 31361330 33794761 34423235 40682005 43811390 43905862 47490014 48192529 48278230 56954807 59104045 63928865 67589522 68846470 69850235 75552295 81364010 89500411 96385058 105773213 109764655 113909614 118208090 118725035 127857730 139700470 151104590 153670517 166215049 168973805 179000822 211546426 219529310 237450070 240962645 284774035 307341034 332430098 337947610 447502055 481925290 528866065 569548070 626502877 740412491 768352585 831075245 895004110 1057732130 1163505343 1253005754 1480824982 1536705170 1662150490 2327010686 3132514385 3702062455 5817526715 6265028770 7404124910 8144537401 11635053430 16289074802 40722687005 81445374010
- Sum of all divisors σ(n): 206620761600
- Sum of proper divisors (its aliquot sum) s(n): 125175387590
- 81445374010 is an abundant number, because the sum of its proper divisors (125175387590) is greater than itself. Its abundance is 43730013580
Bases of 81445374010
- Binary: 10010111101101000010111001000001110102
- Hexadecimal: 0x12F685C83A
- Base-36: 11EYH0SA
Squares and roots of 81445374010
- 81445374010 squared (814453740102) is 6633348947628783480100
- 81445374010 cubed (814453740103) is 540255585978466173178053892201000
-
The
square root of 81445374010 is 285386.3591869801 -
The
cube root of 81445374010 is 4334.6643500151
Scales and comparisons
How big is 81445374010?- 81,445,374,010 seconds is equal to 2,589 years, 36 weeks, 6 days, 19 hours, 10 seconds.
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To count from 1 to 81,445,374,010 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 81445374010 cubic inches would be around 361.2 feet tall.
Recreational maths with 81445374010
- 81445374010 backwards is 01047354418
- The number of decimal digits it has is: 11
- The sum of 81445374010's digits is 37
- More coming soon!
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The information we have on file for 81445374010 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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