30730812021
30,730,812,021 is an odd composite number composed of five prime numbers multiplied together.
30730812021 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixty-four divisors.
Prime factorization of 30730812021:
310 × 72 × 13 × 19 × 43
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 13 × 19 × 43)See below for interesting mathematical facts about the number 30730812021 from the Numbermatics database.
Names of 30730812021
- Cardinal: 30730812021 can be written as Thirty billion, seven hundred thirty million, eight hundred twelve thousand and twenty-one.
Scientific notation
- Scientific notation: 3.0730812021 × 1010
Factors of 30730812021
Divisors of 30730812021
- Number of divisors d(n): 264
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Complete list of divisors:
1 3 7 9 13 19 21 27 39 43 49 57 63 81 91 117 129 133 147 171 189 243 247 273 301 351 387 399 441 513 559 567 637 729 741 817 819 903 931 1053 1161 1197 1323 1539 1677 1701 1729 1911 2107 2187 2223 2451 2457 2709 2793 3159 3483 3591 3913 3969 4617 5031 5103 5187 5719 5733 6321 6561 6669 7353 7371 8127 8379 9477 10449 10621 10773 11739 11907 12103 13851 15093 15309 15561 17157 17199 18963 19683 20007 22059 22113 24381 25137 27391 28431 31347 31863 32319 35217 35721 36309 40033 41553 45279 45927 46683 51471 51597 56889 59049 60021 66177 66339 73143 74347 75411 82173 85293 94041 95589 96957 105651 107163 108927 120099 124659 135837 137781 140049 154413 154791 170667 180063 198531 199017 219429 223041 226233 246519 255879 282123 286767 290871 316953 321489 326781 360297 373977 407511 413343 420147 463239 464373 512001 520429 540189 595593 597051 658287 669123 678699 739557 767637 846369 860301 872613 950859 964467 980343 1080891 1121931 1222533 1260441 1389717 1393119 1536003 1561287 1620567 1786779 1791153 1974861 2007369 2036097 2218671 2539107 2580903 2617839 2852577 2893401 2941029 3242673 3667599 3781323 4169151 4179357 4608009 4683861 4861701 5360337 5373459 5924583 6022107 6108291 6656013 7742709 7853517 8557731 8823087 9728019 11002797 11343969 12507453 12538071 13824027 14051583 14585103 16081011 17773749 18066321 18324873 19968039 23228127 25673193 26469261 29184057 33008391 34031907 37522359 37614213 41472081 42154749 48243033 54198963 54974619 59904117 69684381 77019579 79407783 87552171 102095721 112567077 124416243 126464247 162596889 179712351 209053143 231058737 238223349 262656513 337701231 379392741 487790667 539137053 627159429 714670047 787969539 1138178223 1463372001 1617411159 2363908617 3414534669 4390116003 10243604007 30730812021
- Sum of all divisors σ(n): 62199503520
- Sum of proper divisors (its aliquot sum) s(n): 31468691499
- 30730812021 is an abundant number, because the sum of its proper divisors (31468691499) is greater than itself. Its abundance is 737879478
Bases of 30730812021
- Binary: 111001001111011001011111010011101012
- Hexadecimal: 0x727B2FA75
- Base-36: E48BYB9
Squares and roots of 30730812021
- 30730812021 squared (307308120212) is 944382807470038104441
- 30730812021 cubed (307308120213) is 29021650532225975577283536285261
-
The
square root of 30730812021 is 175302.0593746691 -
The
cube root of 30730812021 is 3132.2614971915
Scales and comparisons
How big is 30730812021?- 30,730,812,021 seconds is equal to 977 years, 7 weeks, 3 days, 16 hours, 40 minutes, 21 seconds.
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To count from 1 to 30,730,812,021 would take you about one thousand, nine hundred fifty-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 30730812021 cubic inches would be around 261 feet tall.
Recreational maths with 30730812021
- 30730812021 backwards is 12021803703
- 30730812021 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 30730812021's digits is 27
- More coming soon!
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