72161561376
72,161,561,376 is an even composite number composed of five prime numbers multiplied together.
72161561376 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 72161561376:
25 × 32 × 172 × 612 × 233
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 17 × 17 × 61 × 61 × 233)See below for interesting mathematical facts about the number 72161561376 from the Numbermatics database.
Names of 72161561376
- Cardinal: 72161561376 can be written as Seventy-two billion, one hundred sixty-one million, five hundred sixty-one thousand, three hundred seventy-six.
Scientific notation
- Scientific notation: 7.2161561376 × 1010
Factors of 72161561376
Divisors of 72161561376
- Number of divisors d(n): 324
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 61 68 72 96 102 122 136 144 153 183 204 233 244 272 288 289 306 366 408 466 488 544 549 578 612 699 732 816 867 932 976 1037 1098 1156 1224 1398 1464 1632 1734 1864 1952 2074 2097 2196 2312 2448 2601 2796 2928 3111 3468 3721 3728 3961 4148 4194 4392 4624 4896 5202 5592 5856 6222 6936 7442 7456 7922 8296 8388 8784 9248 9333 10404 11163 11184 11883 12444 13872 14213 14884 15844 16592 16776 17568 17629 18666 20808 22326 22368 23766 24888 27744 28426 29768 31688 33184 33489 33552 35258 35649 37332 41616 42639 44652 47532 49776 52887 56852 59536 63257 63376 66978 67104 67337 70516 71298 74664 83232 85278 89304 95064 99552 105774 113704 119072 126514 126752 127917 133956 134674 141032 142596 149328 158661 170556 178608 189771 190128 202011 211548 227408 241621 253028 255834 267912 269348 282064 285192 298656 317322 341112 357216 379542 380256 404022 423096 454816 483242 506056 511668 535824 538696 564128 569313 570384 606033 634644 682224 724863 759084 808044 846192 866993 966484 1012112 1023336 1071648 1075369 1077392 1138626 1140768 1212066 1269288 1364448 1449726 1518168 1616088 1692384 1733986 1932968 2024224 2046672 2150738 2154784 2174589 2277252 2424132 2538576 2600979 2899452 3036336 3226107 3232176 3467972 3865936 4093344 4107557 4301476 4349178 4554504 4848264 5077152 5201958 5798904 6072672 6452214 6464352 6935944 7731872 7802937 8215114 8602952 8698356 9109008 9678321 9696528 10403916 11597808 12322671 12904428 13871888 14738881 15605874 16430228 17205904 17396712 18218016 19356642 19393056 20807832 23195616 24645342 25808856 27743776 29477762 31211748 32860456 34411808 34793424 36968013 38713284 41615664 44216643 49290684 51617712 58955524 62423496 65720912 69586848 73936026 77426568 83231328 88433286 98581368 103235424 117911048 124846992 131441824 132649929 147872052 154853136 176866572 197162736 235822096 249693984 250560977 265299858 295744104 309706272 353733144 394325472 471644192 501121954 530599716 591488208 707466288 751682931 1002243908 1061199432 1182976416 1414932576 1503365862 2004487816 2122398864 2255048793 3006731724 4008975632 4244797728 4510097586 6013463448 8017951264 9020195172 12026926896 18040390344 24053853792 36080780688 72161561376
- Sum of all divisors σ(n): 222574023126
- Sum of proper divisors (its aliquot sum) s(n): 150412461750
- 72161561376 is an abundant number, because the sum of its proper divisors (150412461750) is greater than itself. Its abundance is 78250900374
Bases of 72161561376
- Binary: 10000110011010010101000001011001000002
- Hexadecimal: 0x10CD2A0B20
- Base-36: X5F4P40
Squares and roots of 72161561376
- 72161561376 squared (721615613762) is 5207290940222215013376
- 72161561376 cubed (721615613763) is 375766244785534115766400884965376
-
The
square root of 72161561376 is 268629.0404554207 -
The
cube root of 72161561376 is 4163.2769993823
Scales and comparisons
How big is 72161561376?- 72,161,561,376 seconds is equal to 2,294 years, 26 weeks, 5 days, 6 hours, 9 minutes, 36 seconds.
-
To count from 1 to 72,161,561,376 would take you about four thousand, five hundred eighty-nine 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 72161561376 cubic inches would be around 346.9 feet tall.
Recreational maths with 72161561376
- 72161561376 backwards is 67316516127
- The number of decimal digits it has is: 11
- The sum of 72161561376's digits is 45
- More coming soon!
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