21015382608
21,015,382,608 is an even composite number composed of five prime numbers multiplied together.
21015382608 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21015382608:
24 × 35 × 113 × 31 × 131
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 11 × 11 × 11 × 31 × 131)See below for interesting mathematical facts about the number 21015382608 from the Numbermatics database.
Names of 21015382608
- Cardinal: 21015382608 can be written as Twenty-one billion, fifteen million, three hundred eighty-two thousand, six hundred eight.
Scientific notation
- Scientific notation: 2.1015382608 × 1010
Factors of 21015382608
Divisors of 21015382608
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 31 33 36 44 48 54 62 66 72 81 88 93 99 108 121 124 131 132 144 162 176 186 198 216 242 243 248 262 264 279 297 324 341 363 372 393 396 432 484 486 496 524 528 558 594 648 682 726 744 786 792 837 891 968 972 1023 1048 1089 1116 1179 1188 1296 1331 1364 1441 1452 1488 1572 1584 1674 1782 1936 1944 2046 2096 2178 2232 2358 2376 2511 2662 2673 2728 2882 2904 3069 3144 3267 3348 3537 3564 3751 3888 3993 4061 4092 4323 4356 4464 4716 4752 5022 5324 5346 5456 5764 5808 6138 6288 6534 6696 7074 7128 7502 7533 7986 8122 8184 8646 8712 9207 9432 9801 10044 10611 10648 10692 11253 11528 11979 12183 12276 12969 13068 13392 14148 14256 15004 15066 15851 15972 16244 16368 17292 17424 18414 18864 19602 20088 21222 21296 21384 22506 23056 23958 24366 24552 25938 26136 27621 28296 29403 30008 30132 31702 31833 31944 32488 33759 34584 35937 36549 36828 38907 39204 40176 41261 42444 42768 44671 45012 47553 47916 48732 49104 51876 52272 55242 56592 58806 60016 60264 63404 63666 63888 64976 67518 69168 71874 73098 73656 77814 78408 82522 82863 84888 89342 90024 95106 95832 97464 101277 103752 107811 109647 110484 116721 117612 120528 123783 126808 127332 134013 135036 142659 143748 146196 147312 155628 156816 165044 165726 169776 174361 178684 180048 190212 191664 194928 202554 207504 215622 219294 220968 233442 235224 247566 253616 254664 268026 270072 285318 287496 292392 303831 311256 323433 328941 330088 331452 348722 350163 357368 371349 380424 402039 405108 427977 431244 438588 441936 466884 470448 491381 495132 509328 523083 536052 540144 570636 574992 584784 607662 622512 646866 657882 660176 662904 697444 700326 714736 742698 760848 804078 810216 855954 862488 877176 911493 933768 982762 986823 990264 1046166 1072104 1114047 1141272 1206117 1215324 1283931 1293732 1315764 1325808 1394888 1400652 1474143 1485396 1569249 1608156 1620432 1711908 1724976 1754352 1822986 1867536 1965524 1973646 1980528 2092332 2144208 2228094 2282544 2412234 2430648 2567862 2587464 2631528 2789776 2801304 2948286 2970792 3138498 3216312 3342141 3423816 3618351 3645972 3851793 3931048 3947292 4184664 4422429 4456188 4707747 4824468 4861296 5135724 5174928 5263056 5405191 5602608 5896572 5941584 6276996 6432624 6684282 6847632 7236702 7291944 7703586 7862096 7894584 8369328 8844858 8912376 9415494 9648936 10026423 10271448 10810382 10855053 11793144 12553992 13267287 13368564 14123241 14473404 14583888 15407172 15789168 16215573 17689716 17824752 18830988 19297872 20052846 20542896 21620764 21710106 23586288 25107984 26534574 26737128 28246482 28946808 30814344 32431146 35379432 37661976 39801861 40105692 42369723 43241528 43420212 48646719 53069148 53474256 56492964 57893616 61628688 64862292 70758864 75323952 79603722 80211384 84739446 86483056 86840424 97293438 106138296 112985928 119405583 129724584 145940157 159207444 160422768 169478892 173680848 194586876 212276592 225971856 238811166 259449168 291880314 318414888 338957784 389173752 437820471 477622332 583760628 636829776 677915568 778347504 875640942 955244664 1167521256 1313461413 1751281884 1910489328 2335042512 2626922826 3502563768 5253845652 7005127536 10507691304 21015382608
- Sum of all divisors σ(n): 69779533824
- Sum of proper divisors (its aliquot sum) s(n): 48764151216
- 21015382608 is an abundant number, because the sum of its proper divisors (48764151216) is greater than itself. Its abundance is 27748768608
Bases of 21015382608
- Binary: 100111001001001110101001010010100002
- Hexadecimal: 0x4E49D4A50
- Base-36: 9NK0L00
Squares and roots of 21015382608
- 21015382608 squared (210153826082) is 441646306160628881664
- 21015382608 cubed (210153826083) is 9281366101375523454064115699712
-
The
square root of 21015382608 is 144966.8327859859 -
The
cube root of 21015382608 is 2759.5976540153
Scales and comparisons
How big is 21015382608?- 21,015,382,608 seconds is equal to 668 years, 11 weeks, 4 days, 14 hours, 16 minutes, 48 seconds.
-
To count from 1 to 21,015,382,608 would take you about one thousand, three hundred thirty-six 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 21015382608 cubic inches would be around 230 feet tall.
Recreational maths with 21015382608
- 21015382608 backwards is 80628351012
- 21015382608 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21015382608's digits is 36
- More coming soon!
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