72106672638
72,106,672,638 is an even composite number composed of six prime numbers multiplied together.
72106672638 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 72106672638:
2 × 3 × 7 × 11 × 132 × 314
(2 × 3 × 7 × 11 × 13 × 13 × 31 × 31 × 31 × 31)See below for interesting mathematical facts about the number 72106672638 from the Numbermatics database.
Names of 72106672638
- Cardinal: 72106672638 can be written as Seventy-two billion, one hundred six million, six hundred seventy-two thousand, six hundred thirty-eight.
Scientific notation
- Scientific notation: 7.2106672638 × 1010
Factors of 72106672638
Divisors of 72106672638
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 6 7 11 13 14 21 22 26 31 33 39 42 62 66 77 78 91 93 143 154 169 182 186 217 231 273 286 338 341 403 429 434 462 507 546 651 682 806 858 961 1001 1014 1023 1183 1209 1302 1859 1922 2002 2046 2366 2387 2418 2821 2883 3003 3549 3718 4433 4774 5239 5577 5642 5766 6006 6727 7098 7161 8463 8866 10478 10571 11154 12493 13013 13299 13454 14322 15717 16926 20181 21142 24986 26026 26598 29791 31031 31434 31713 36673 37479 39039 40362 57629 59582 62062 63426 73346 73997 74958 78078 87451 89373 93093 110019 115258 137423 147994 162409 172887 174902 178746 186186 208537 220038 221991 262353 274846 324818 327701 345774 387283 403403 412269 417074 443982 487227 524706 625611 655402 774566 806806 824538 923521 961961 974454 983103 1136863 1161849 1210209 1251222 1786499 1847042 1923922 1966206 2273726 2293907 2323698 2420418 2710981 2770563 2885883 3410589 3572998 4260113 4587814 5034679 5359497 5421962 5541126 5771766 6464647 6821178 6881721 8132943 8520226 10069358 10158731 10718994 12005773 12505493 12780339 12929294 13763442 15104037 16265886 19393941 20317462 24011546 25010986 25560678 29820791 30208074 30476193 35242753 36017319 37516479 38787882 55381469 59641582 60952386 70485506 71111117 72034638 75032958 84040411 89462373 105728259 110762938 132063503 142222234 156075049 166144407 168080822 178924746 211456518 213333351 252121233 264127006 312150098 332288814 387670283 396190509 426666702 468225147 504242466 775340566 792381018 924444521 936450294 1092525343 1163010849 1716825539 1848889042 2185050686 2326021698 2773333563 3277576029 3433651078 5150476617 5546667126 6555152058 10300953234 12017778773 24035557546 36053336319 72106672638
- Sum of all divisors σ(n): 201182762880
- Sum of proper divisors (its aliquot sum) s(n): 129076090242
- 72106672638 is an abundant number, because the sum of its proper divisors (129076090242) is greater than itself. Its abundance is 56969417604
Bases of 72106672638
- Binary: 10000110010011110010010000001111111102
- Hexadecimal: 0x10C9E481FE
- Base-36: X4IG8OU
Squares and roots of 72106672638
- 72106672638 squared (721066726382) is 5199372238923697879044
- 72106672638 cubed (721066726383) is 374909431955176204424640628398072
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The
square root of 72106672638 is 268526.8564557371 -
The
cube root of 72106672638 is 4162.2211510881
Scales and comparisons
How big is 72106672638?- 72,106,672,638 seconds is equal to 2,292 years, 39 weeks, 6 days, 23 hours, 17 minutes, 18 seconds.
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To count from 1 to 72,106,672,638 would take you about four thousand, five hundred eighty-five 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 72106672638 cubic inches would be around 346.9 feet tall.
Recreational maths with 72106672638
- 72106672638 backwards is 83627660127
- The number of decimal digits it has is: 11
- The sum of 72106672638's digits is 48
- More coming soon!
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