21015421093872
21,015,421,093,872 is an even composite number composed of five prime numbers multiplied together.
21015421093872 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 21015421093872:
24 × 32 × 173 × 413 × 431
(2 × 2 × 2 × 2 × 3 × 3 × 17 × 17 × 17 × 41 × 41 × 41 × 431)See below for interesting mathematical facts about the number 21015421093872 from the Numbermatics database.
Names of 21015421093872
- Cardinal: 21015421093872 can be written as Twenty-one trillion, fifteen billion, four hundred twenty-one million, ninety-three thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.1015421093872 × 1013
Factors of 21015421093872
Divisors of 21015421093872
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 34 36 41 48 51 68 72 82 102 123 136 144 153 164 204 246 272 289 306 328 369 408 431 492 578 612 656 697 738 816 862 867 984 1156 1224 1293 1394 1476 1681 1724 1734 1968 2091 2312 2448 2586 2601 2788 2952 3362 3448 3468 3879 4182 4624 4913 5043 5172 5202 5576 5904 6273 6724 6896 6936 7327 7758 8364 9826 10086 10344 10404 11152 11849 12546 13448 13872 14654 14739 15129 15516 16728 17671 19652 20172 20688 20808 21981 23698 25092 26896 28577 29308 29478 30258 31032 33456 35342 35547 39304 40344 41616 43962 44217 47396 50184 53013 57154 58616 58956 60516 62064 65943 68921 70684 71094 78608 80688 85731 87924 88434 94792 100368 106026 106641 114308 117232 117912 121032 124559 131886 137842 141368 142188 159039 171462 175848 176868 189584 201433 206763 212052 213282 228616 235824 242064 249118 257193 263772 275684 282736 284376 300407 318078 342924 351696 353736 373677 402866 413526 424104 426564 457232 485809 498236 514386 527544 551368 568752 600814 604299 620289 636156 685848 707472 724511 747354 805732 827052 848208 853128 901221 971618 996472 1028772 1055088 1102736 1121031 1171657 1201628 1208598 1240578 1272312 1371696 1449022 1457427 1494708 1611464 1654104 1706256 1802442 1812897 1943236 1992944 2057544 2117503 2173533 2242062 2343314 2403256 2417196 2481156 2544624 2703663 2898044 2914854 2989416 3222928 3308208 3514971 3604884 3625794 3886472 4115088 4235006 4347066 4372281 4484124 4686628 4806512 4834392 4962312 5106919 5407326 5796088 5829708 5978832 6352509 6520599 7029942 7209768 7251588 7772944 8258753 8470012 8694132 8744562 8968248 9373256 9668784 9924624 10213838 10544913 10814652 11592176 11659416 12316687 12705018 13041198 14059884 14419536 14503176 15320757 16517506 16940024 17388264 17489124 17936496 18746512 19057527 19918169 20427676 21089826 21629304 23318832 24633374 24776259 25410036 26082396 28119768 29006352 29704951 30641514 33035012 33880048 34776528 34978248 36950061 38115054 39836338 40855352 42179652 43258608 45962271 49266748 49552518 50820072 52164792 56239536 59409902 59754507 61283028 66070024 69956496 73900122 74328777 76230108 79672676 81710704 84359304 86817623 89114853 91924542 98533496 99105036 101640144 104329584 110850183 118819804 119509014 122566056 132140048 147800244 148657554 152460216 159345352 168718608 173635246 178229706 179263521 183849084 197066992 198210072 209383679 221700366 237639608 239018028 245132112 260452869 267344559 295600488 297315108 304920432 318690704 338608873 347270492 356459412 358527042 367698168 396420144 418767358 443400732 475279216 478036056 504984167 520905738 534689118 591200976 594630216 628151037 677217746 694540984 712918824 717054084 735396336 781358607 837534716 886801464 956072112 1009968334 1015826619 1041811476 1069378236 1189260432 1256302074 1354435492 1389081968 1425837648 1434108168 1514952501 1562717214 1675069432 1773602928 1884453111 2019936668 2031653238 2083622952 2138756472 2512604148 2708870984 2868216336 3029905002 3047479857 3125434428 3350138864 3559522543 3768906222 4039873336 4063306476 4167245904 4277512944 4544857503 5025208296 5417741968 6059810004 6094959714 6250868856 7119045086 7537812444 8079746672 8126612952 8584730839 9089715006 10050416592 10678567629 12119620008 12189919428 12501737712 14238090172 15075624888 16253225904 17169461678 18179430012 21357135258 24239240016 24379838856 25754192517 28476180344 30151249776 32035702887 34338923356 36358860024 42714270516 48759677712 51508385034 56952360688 64071405774 68677846712 72717720048 77262577551 85428541032 103016770068 128142811548 137355693424 145940424263 154525155102 170857082064 206033540136 256285623096 291880848526 309050310204 412067080272 437821272789 512571246192 583761697052 618100620408 875642545578 1167523394104 1236201240816 1313463818367 1751285091156 2335046788208 2626927636734 3502570182312 5253855273468 7005140364624 10507710546936 21015421093872
- Sum of all divisors σ(n): 64199933441280
- Sum of proper divisors (its aliquot sum) s(n): 43184512347408
- 21015421093872 is an abundant number, because the sum of its proper divisors (43184512347408) is greater than itself. Its abundance is 22169091253536
Bases of 21015421093872
- Binary: 1001100011101000010001011010110000111111100002
- Hexadecimal: 0x131D08B587F0
- Base-36: 7G6CN47W0
Squares and roots of 21015421093872
- 21015421093872 squared (210154210938722) is 441647923752760209035952384
- 21015421093872 cubed (210154210938723) is 9281417092898529603457649828336586190848
-
The
square root of 21015421093872 is 4584257.9654587503 -
The
cube root of 21015421093872 is 27595.9933858221
Scales and comparisons
How big is 21015421093872?- 21,015,421,093,872 seconds is equal to 668,225 years, 20 weeks, 10 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,015,421,093,872 would take you about one million, six hundred seventy thousand, five hundred sixty-three 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 21015421093872 cubic inches would be around 2299.7 feet tall.
Recreational maths with 21015421093872
- 21015421093872 backwards is 27839012451012
- The number of decimal digits it has is: 14
- The sum of 21015421093872's digits is 45
- More coming soon!
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