8138136864
8,138,136,864 is an even composite number composed of six prime numbers multiplied together.
8138136864 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 8138136864:
25 × 3 × 11 × 132 × 31 × 1471
(2 × 2 × 2 × 2 × 2 × 3 × 11 × 13 × 13 × 31 × 1471)See below for interesting mathematical facts about the number 8138136864 from the Numbermatics database.
Names of 8138136864
- Cardinal: 8138136864 can be written as Eight billion, one hundred thirty-eight million, one hundred thirty-six thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 8.138136864 × 109
Factors of 8138136864
Divisors of 8138136864
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 11 12 13 16 22 24 26 31 32 33 39 44 48 52 62 66 78 88 93 96 104 124 132 143 156 169 176 186 208 248 264 286 312 338 341 352 372 403 416 429 496 507 528 572 624 676 682 744 806 858 992 1014 1023 1056 1144 1209 1248 1352 1364 1471 1488 1612 1716 1859 2028 2046 2288 2418 2704 2728 2942 2976 3224 3432 3718 4056 4092 4413 4433 4576 4836 5239 5408 5456 5577 5884 6448 6864 7436 8112 8184 8826 8866 9672 10478 10912 11154 11768 12896 13299 13728 14872 15717 16181 16224 16368 17652 17732 19123 19344 20956 22308 23536 26598 29744 31434 32362 32736 35304 35464 38246 38688 41912 44616 45601 47072 48543 53196 57369 57629 59488 62868 64724 70608 70928 76492 83824 89232 91202 97086 106392 114738 115258 125736 129448 136803 141216 141856 152984 167648 172887 178464 182404 194172 210353 212784 229476 230516 248599 251472 258896 273606 305968 345774 364808 388344 420706 425568 458952 461032 497198 501611 502944 517792 547212 592813 611936 631059 691548 729616 745797 776688 841412 917904 922064 994396 1003222 1094424 1185626 1262118 1383096 1459232 1491594 1504833 1553376 1682824 1778439 1835808 1844128 1988792 2006444 2188848 2371252 2524236 2734589 2766192 2983188 3009666 3365648 3556878 3977584 4012888 4377696 4742504 5048472 5469178 5532384 5966376 6019332 6520943 6731296 7113756 7706569 7955168 8025776 8203767 9485008 10096944 10938356 11932752 12038664 13041886 14227512 15413138 16051552 16407534 18970016 19562829 20193888 21876712 23119707 23865504 24077328 26083772 28455024 30826276 32815068 39125658 43753424 46239414 48154656 52167544 56910048 61652552 65630136 78251316 84772259 87506848 92478828 104335088 123305104 131260272 156502632 169544518 184957656 208670176 246610208 254316777 262520544 313005264 339089036 369915312 508633554 626010528 678178072 739830624 1017267108 1356356144 2034534216 2712712288 4069068432 8138136864
- Sum of all divisors σ(n): 26066976768
- Sum of proper divisors (its aliquot sum) s(n): 17928839904
- 8138136864 is an abundant number, because the sum of its proper divisors (17928839904) is greater than itself. Its abundance is 9790703040
Bases of 8138136864
- Binary: 1111001010001001000011101001000002
- Hexadecimal: 0x1E5121D20
- Base-36: 3QL8ILC
Squares and roots of 8138136864
- 8138136864 squared (81381368642) is 66229271617195754496
- 8138136864 cubed (81381368643) is 538982876823769665968191340544
-
The
square root of 8138136864 is 90211.6226658183 -
The
cube root of 8138136864 is 2011.4457774671
Scales and comparisons
How big is 8138136864?- 8,138,136,864 seconds is equal to 258 years, 39 weeks, 6 days, 9 hours, 34 minutes, 24 seconds.
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To count from 1 to 8,138,136,864 would take you about five hundred seventeen 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 8138136864 cubic inches would be around 167.6 feet tall.
Recreational maths with 8138136864
- 8138136864 backwards is 4686318318
- 8138136864 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 8138136864's digits is 48
- More coming soon!
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