21087014928
21,087,014,928 is an even composite number composed of seven prime numbers multiplied together.
21087014928 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21087014928:
24 × 3 × 7 × 232 × 31 × 43 × 89
(2 × 2 × 2 × 2 × 3 × 7 × 23 × 23 × 31 × 43 × 89)See below for interesting mathematical facts about the number 21087014928 from the Numbermatics database.
Names of 21087014928
- Cardinal: 21087014928 can be written as Twenty-one billion, eighty-seven million, fourteen thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1087014928 × 1010
Factors of 21087014928
Divisors of 21087014928
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 23 24 28 31 42 43 46 48 56 62 69 84 86 89 92 93 112 124 129 138 161 168 172 178 184 186 217 248 258 267 276 301 322 336 344 356 368 372 434 483 496 516 529 534 552 602 623 644 651 688 712 713 744 868 903 966 989 1032 1058 1068 1104 1204 1246 1288 1302 1333 1424 1426 1488 1587 1736 1806 1869 1932 1978 2047 2064 2116 2136 2139 2408 2492 2576 2604 2666 2759 2852 2967 3174 3472 3612 3703 3738 3827 3864 3956 3999 4094 4232 4272 4278 4816 4984 4991 5208 5332 5518 5704 5934 6141 6348 6923 7224 7406 7476 7654 7728 7912 7998 8188 8277 8464 8556 9331 9968 9982 10416 10664 11036 11109 11408 11481 11868 12282 12696 13846 14329 14448 14812 14952 14973 15308 15824 15996 16376 16399 16554 17112 18662 19313 19964 20769 21328 22072 22218 22747 22962 23736 24564 25392 26789 27692 27993 28658 29624 29904 29946 30616 30659 31992 32752 32798 33108 34224 37324 38626 39928 41538 42987 44144 44436 45494 45924 47081 47472 49128 49197 53578 55384 55986 57316 57939 59248 59892 61232 61318 63457 63984 65596 66216 68241 74648 77252 79856 80367 83076 85974 88021 88872 90988 91848 91977 94162 98256 98394 107156 110768 111972 114632 114793 115878 118637 119784 122636 126914 131192 132432 136482 141243 149296 154504 159229 160734 166152 171948 176042 177744 181976 183696 183954 188324 190371 196788 214312 214613 223944 229264 229586 231756 237274 239568 245272 253828 262384 264063 272964 282486 309008 318458 321468 329567 332304 343896 344379 352084 355911 363952 367908 376648 380742 393576 428624 429226 444199 447888 459172 463512 474548 477687 490544 507656 528126 545928 564972 616147 636916 642936 643839 659134 687792 688758 704168 705157 711822 735816 753296 761484 787152 830459 858452 888398 918344 927024 949096 955374 988701 1015312 1056252 1091856 1129944 1232294 1273832 1285872 1287678 1318268 1332597 1377516 1408336 1410314 1423644 1459511 1471632 1522968 1660918 1716904 1776796 1836688 1848441 1898192 1910748 1977402 2024483 2112504 2115471 2259888 2464588 2491377 2547664 2575356 2636536 2665194 2728651 2755032 2820628 2847288 2919022 3045936 3321836 3433808 3553592 3696882 3821496 3954804 4048966 4225008 4230942 4378533 4929176 4936099 4982754 5150712 5273072 5330388 5457302 5510064 5641256 5694576 5838044 6073449 6643672 7107184 7393764 7642992 7909608 8097932 8185953 8461884 8757066 9858352 9872198 9965508 10216577 10301424 10660776 10914604 11282512 11676088 12146898 13287344 14171381 14787528 14808297 15819216 16195864 16371906 16923768 17514132 19100557 19744396 19931016 20433154 21321552 21829208 23352176 24293796 28342762 29575056 29616594 30649731 32391728 32743812 33847536 35028264 38201114 39488792 39862032 40866308 42514143 43658416 48587592 56685524 57301671 59233188 61299462 62758973 65487624 70056528 76402228 78977584 81732616 85028286 97175184 113371048 114603342 118466376 122598924 125517946 130975248 152804456 163465232 170056572 188276919 226742096 229206684 236932752 245197848 251035892 305608912 340113144 376553838 439312811 458413368 490395696 502071784 680226288 753107676 878625622 916826736 1004143568 1317938433 1506215352 1757251244 2635876866 3012430704 3514502488 5271753732 7029004976 10543507464 21087014928
- Sum of all divisors σ(n): 69515550720
- Sum of proper divisors (its aliquot sum) s(n): 48428535792
- 21087014928 is an abundant number, because the sum of its proper divisors (48428535792) is greater than itself. Its abundance is 27341520864
Bases of 21087014928
- Binary: 100111010001110001001010000000100002
- Hexadecimal: 0x4E8E25010
- Base-36: 9OQNWUO
Squares and roots of 21087014928
- 21087014928 squared (210870149282) is 444662198573694845184
- 21087014928 cubed (210870149283) is 9376598419240803508511656906752
-
The
square root of 21087014928 is 145213.6871234939 -
The
cube root of 21087014928 is 2762.7295219519
Scales and comparisons
How big is 21087014928?- 21,087,014,928 seconds is equal to 670 years, 26 weeks, 16 hours, 8 minutes, 48 seconds.
-
To count from 1 to 21,087,014,928 would take you about one thousand, three hundred forty-one 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 21087014928 cubic inches would be around 230.2 feet tall.
Recreational maths with 21087014928
- 21087014928 backwards is 82941078012
- 21087014928 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21087014928's digits is 42
- More coming soon!
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