81835221000
81,835,221,000 is an even composite number composed of seven prime numbers multiplied together.
81835221000 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 81835221000:
23 × 3 × 53 × 13 × 41 × 61 × 839
(2 × 2 × 2 × 3 × 5 × 5 × 5 × 13 × 41 × 61 × 839)See below for interesting mathematical facts about the number 81835221000 from the Numbermatics database.
Names of 81835221000
- Cardinal: 81835221000 can be written as Eighty-one billion, eight hundred thirty-five million, two hundred twenty-one thousand.
Scientific notation
- Scientific notation: 8.1835221 × 1010
Factors of 81835221000
Divisors of 81835221000
- Number of divisors d(n): 512
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 20 24 25 26 30 39 40 41 50 52 60 61 65 75 78 82 100 104 120 122 123 125 130 150 156 164 183 195 200 205 244 246 250 260 300 305 312 325 328 366 375 390 410 488 492 500 520 533 600 610 615 650 732 750 780 793 820 839 915 975 984 1000 1025 1066 1220 1230 1300 1464 1500 1525 1560 1586 1599 1625 1640 1678 1830 1950 2050 2132 2379 2440 2460 2501 2517 2600 2665 3000 3050 3075 3172 3198 3250 3356 3660 3900 3965 4100 4195 4264 4575 4758 4875 4920 5002 5034 5125 5330 6100 6150 6344 6396 6500 6712 7320 7503 7625 7800 7930 7995 8200 8390 9150 9516 9750 10004 10068 10250 10660 10907 11895 12200 12300 12505 12585 12792 13000 13325 15006 15250 15375 15860 15990 16780 18300 19032 19500 19825 20008 20136 20500 20975 21320 21814 22875 23790 24600 25010 25170 26650 30012 30500 30750 31720 31980 32513 32721 33560 34399 36600 37515 39000 39650 39975 41000 41950 43628 45750 47580 50020 50340 51179 53300 54535 59475 60024 61000 61500 62525 62925 63960 65026 65442 66625 68798 75030 79300 79950 83900 87256 91500 95160 97539 99125 100040 100680 102358 103197 104875 106600 109070 118950 123000 125050 125850 130052 130884 133250 137596 150060 153537 158600 159900 162565 163605 167800 171995 183000 187575 195078 198250 199875 204716 206394 209750 218140 237900 250100 251700 255895 260104 261768 266500 272675 275192 297375 300120 307074 312625 314625 319800 325130 327210 343990 375150 390156 396500 399750 409432 412788 419500 436280 447187 475800 487695 500200 503400 511790 515985 533000 545350 594750 614148 625250 629250 650260 654420 665327 687980 750300 767685 780312 793000 799500 812825 818025 825576 839000 859975 894374 937875 975390 1023580 1031970 1090700 1189500 1228296 1250500 1258500 1279475 1300520 1308840 1330654 1341561 1363375 1375960 1500600 1535370 1599000 1625650 1636050 1719950 1788748 1875750 1950780 1995981 2047160 2063940 2098339 2181400 2235935 2379000 2438475 2501000 2517000 2558950 2579925 2661308 2683122 2726750 3070740 3251300 3272100 3326635 3439900 3577496 3751500 3838425 3901560 3991962 4064125 4090125 4127880 4196678 4299875 4471870 4876950 5117900 5159850 5322616 5366244 5453500 6141480 6295017 6397375 6502600 6544200 6653270 6707805 6879800 7503000 7676850 7983924 8128250 8180250 8393356 8599750 8943740 9753900 9979905 10235800 10319700 10491695 10732488 10907000 11179675 12192375 12590034 12794750 12899625 13306540 13415610 15353700 15967848 16256500 16360500 16633175 16786712 17199500 17887480 19192125 19507800 19959810 20639400 20983390 22359350 24384750 25180068 25589500 25799250 26613080 26831220 27278407 30707400 31475085 32513000 32721000 33266350 33539025 34399000 38384250 39919620 41966780 44718700 48769500 49899525 50360136 51179000 51598500 52458475 53662440 54556814 55898375 62950170 66532700 67078050 76768500 79839240 81835221 83165875 83933560 89437400 97539000 99799050 103197000 104916950 109113628 111796750 125900340 133065400 134156100 136392035 153537000 157375425 163670442 166331750 167695125 199598100 209833900 218227256 223593500 249497625 251800680 262292375 268312200 272784070 314750850 327340884 332663500 335390250 399196200 409176105 419667800 447187000 498995250 524584750 545568140 629501700 654681768 665327000 670780500 681960175 786877125 818352210 997990500 1049169500 1091136280 1259003400 1341561000 1363920350 1573754250 1636704420 1995981000 2045880525 2098339000 2727840700 3147508500 3273408840 3409800875 4091761050 5455681400 6295017000 6819601750 8183522100 10229402625 13639203500 16367044200 20458805250 27278407000 40917610500 81835221000
- Sum of all divisors σ(n): 286631654400
- Sum of proper divisors (its aliquot sum) s(n): 204796433400
- 81835221000 is an abundant number, because the sum of its proper divisors (204796433400) is greater than itself. Its abundance is 122961212400
Bases of 81835221000
- Binary: 10011000011011100001001100000000010002
- Hexadecimal: 0x130DC26008
- Base-36: 11LEKSNC
Squares and roots of 81835221000
- 81835221000 squared (818352210002) is 6697003396118841000000
- 81835221000 cubed (818352210003) is 548050752959135895498861000000000
-
The
square root of 81835221000 is 286068.5599642155 -
The
cube root of 81835221000 is 4341.5694558067
Scales and comparisons
How big is 81835221000?- 81,835,221,000 seconds is equal to 2,602 years, 5 weeks, 3 days, 21 hours, 50 minutes.
-
To count from 1 to 81,835,221,000 would take you about five thousand, two hundred four 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 81835221000 cubic inches would be around 361.8 feet tall.
Recreational maths with 81835221000
- 81835221000 backwards is 00012253818
- 81835221000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81835221000's digits is 30
- More coming soon!
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