30928872390
30,928,872,390 is an even composite number composed of seven prime numbers multiplied together.
30928872390 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 30928872390:
2 × 3 × 5 × 13 × 372 × 53 × 1093
(2 × 3 × 5 × 13 × 37 × 37 × 53 × 1093)See below for interesting mathematical facts about the number 30928872390 from the Numbermatics database.
Names of 30928872390
- Cardinal: 30928872390 can be written as Thirty billion, nine hundred twenty-eight million, eight hundred seventy-two thousand, three hundred ninety.
Scientific notation
- Scientific notation: 3.092887239 × 1010
Factors of 30928872390
Divisors of 30928872390
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 5 6 10 13 15 26 30 37 39 53 65 74 78 106 111 130 159 185 195 222 265 318 370 390 481 530 555 689 795 962 1093 1110 1369 1378 1443 1590 1961 2067 2186 2405 2738 2886 3279 3445 3922 4107 4134 4810 5465 5883 6558 6845 6890 7215 8214 9805 10335 10930 11766 13690 14209 14430 16395 17797 19610 20535 20670 25493 28418 29415 32790 35594 40441 41070 42627 50986 53391 57929 58830 71045 72557 76479 80882 85254 88985 106782 115858 121323 127465 142090 145114 152958 173787 177970 202205 213135 217671 242646 254930 266955 289645 347574 362785 382395 404410 426270 435342 525733 533910 579290 606615 725570 753077 764790 868935 943241 1051466 1088355 1213230 1496317 1506154 1577199 1737870 1886482 2143373 2176710 2259231 2628665 2829723 2992634 3154398 3765385 4286746 4488951 4518462 4716205 5257330 5659446 6430119 7481585 7530770 7885995 8977902 9432410 10716865 11296155 12860238 14148615 14963170 15771990 19452121 21433730 22444755 22592310 27863849 28297230 32150595 38904242 44889510 55727698 58356363 64301190 79304801 83591547 97260605 116712726 139319245 158609602 167183094 194521210 237914403 278638490 291781815 396524005 417957735 475828806 583563630 793048010 835915470 1030962413 1189572015 2061924826 2379144030 3092887239 5154812065 6185774478 10309624130 15464436195 30928872390
- Sum of all divisors σ(n): 83784891456
- Sum of proper divisors (its aliquot sum) s(n): 52856019066
- 30928872390 is an abundant number, because the sum of its proper divisors (52856019066) is greater than itself. Its abundance is 21927146676
Bases of 30928872390
- Binary: 111001100111000000100100011110001102
- Hexadecimal: 0x7338123C6
- Base-36: E7I92O6
Squares and roots of 30928872390
- 30928872390 squared (309288723902) is 956595147316904312100
- 30928872390 cubed (309288723903) is 29586409240257784358781632919000
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The
square root of 30928872390 is 175866.0637815039 -
The
cube root of 30928872390 is 3138.9762437349
Scales and comparisons
How big is 30928872390?- 30,928,872,390 seconds is equal to 983 years, 23 weeks, 1 hour, 26 minutes, 30 seconds.
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To count from 1 to 30,928,872,390 would take you about one thousand, nine hundred sixty-six 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 30928872390 cubic inches would be around 261.6 feet tall.
Recreational maths with 30928872390
- 30928872390 backwards is 09327882903
- The number of decimal digits it has is: 11
- The sum of 30928872390's digits is 51
- More coming soon!
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