388830993990
388,830,993,990 is an even composite number composed of eight prime numbers multiplied together.
What does the number 388830993990 look like?
This visualization shows the relationship between its 8 prime factors (large circles) and 256 divisors.
388830993990 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 388830993990:
2 × 3 × 5 × 29 × 31 × 61 × 127 × 1861
See below for interesting mathematical facts about the number 388830993990 from the Numbermatics database.
Names of 388830993990
- Cardinal: 388830993990 can be written as Three hundred eighty-eight billion, eight hundred thirty million, nine hundred ninety-three thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 3.8883099399 × 1011
Factors of 388830993990
Divisors of 388830993990
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 5 6 10 15 29 30 31 58 61 62 87 93 122 127 145 155 174 183 186 254 290 305 310 366 381 435 465 610 635 762 870 899 915 930 1270 1769 1798 1830 1861 1891 1905 2697 3538 3683 3722 3782 3810 3937 4495 5307 5394 5583 5673 7366 7747 7874 8845 8990 9305 9455 10614 11049 11166 11346 11811 13485 15494 17690 18415 18610 18910 19685 22098 23241 23622 26535 26970 27915 28365 36830 38735 39370 46482 53070 53969 54839 55245 55830 56730 57691 59055 77470 107938 109678 110490 113521 114173 115382 116205 118110 161907 164517 173073 224663 227042 228346 232410 236347 240157 269845 274195 288455 323814 329034 340563 342519 346146 449326 472694 480314 539690 548390 567605 570865 576910 673989 681126 685038 709041 720471 809535 822585 865365 1123315 1135210 1141730 1181735 1200785 1347978 1418082 1440942 1619070 1645170 1673039 1702815 1712595 1730730 2246630 2363470 2401570 3292109 3346078 3369945 3405630 3425190 3519151 3545205 3602355 5019117 6584218 6739890 6854063 6964553 7038302 7090410 7204710 7326757 8365195 9876327 10038234 10557453 13708126 13929106 14417167 14653514 16460545 16730390 17595755 19752654 20562189 20893659 21114906 21980271 25095585 28834334 32921090 34270315 34822765 35191510 36633785 41124378 41787318 43251501 43960542 49381635 50191170 52787265 68540630 69645530 72085835 73267570 86503002 98763270 102055379 102810945 104468295 105574530 109901355 144171670 204110758 205621890 208936590 212475953 216257505 219802710 306166137 418097843 424951906 432515010 446932177 510276895 612332274 637427859 836195686 893864354 1020553790 1062379765 1254293529 1274855718 1340796531 1530830685 2090489215 2124759530 2234660885 2508587058 2681593062 3061661370 3187139295 4180978430 4469321770 6271467645 6374278590 6703982655 12542935290 12961033133 13407965310 25922066266 38883099399 64805165665 77766198798 129610331330 194415496995 388830993990
- Sum of all divisors σ(n): 1021374627840
- Sum of proper divisors (its aliquot sum) s(n): 632543633850
- 388830993990 is an abundant number, because the sum of its proper divisors (632543633850) is greater than itself. Its abundance is 243712639860
Bases of 388830993990
- Binary: 1011010100010000010001000011110010001102
- Hexadecimal: 0x5A88221E46
- Base-36: 4YMJXN46
Squares and roots of 388830993990
- 388830993990 squared (3888309939902) is 151189541887251416120100
- 388830993990 cubed (3888309939903) is 58787179852912708639013592218199000
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The
square root of 388830993990 is 623563.1435468263 -
The
cube root of 388830993990 is 7298.8363316211
Scales and comparisons
How big is 388830993990?- 388,830,993,990 seconds is equal to 12,363 years, 32 weeks, 2 days, 17 hours, 26 minutes, 30 seconds.
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To count from 1 to 388,830,993,990 would take you about twenty-four thousand, seven hundred twenty-seven 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 388830993990 cubic inches would be around 608.2 feet tall.
Recreational maths with 388830993990
- 388830993990 backwards is 099399038883
- The number of decimal digits it has is: 12
- The sum of 388830993990's digits is 69
- More coming soon!
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