21015028125
21,015,028,125 is an odd composite number composed of six prime numbers multiplied together.
21015028125 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21015028125:
33 × 55 × 72 × 13 × 17 × 23
(3 × 3 × 3 × 5 × 5 × 5 × 5 × 5 × 7 × 7 × 13 × 17 × 23)See below for interesting mathematical facts about the number 21015028125 from the Numbermatics database.
Names of 21015028125
- Cardinal: 21015028125 can be written as Twenty-one billion, fifteen million, twenty-eight thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 2.1015028125 × 1010
Factors of 21015028125
Divisors of 21015028125
- Number of divisors d(n): 576
-
Complete list of divisors:
1 3 5 7 9 13 15 17 21 23 25 27 35 39 45 49 51 63 65 69 75 85 91 105 115 117 119 125 135 147 153 161 175 189 195 207 221 225 245 255 273 299 315 325 345 351 357 375 391 425 441 455 459 483 525 575 585 595 621 625 637 663 675 735 765 805 819 833 875 897 945 975 1035 1071 1105 1125 1127 1173 1225 1275 1323 1365 1449 1495 1547 1575 1625 1725 1755 1785 1875 1911 1955 1989 2093 2125 2205 2275 2295 2415 2457 2499 2625 2691 2737 2875 2925 2975 3105 3125 3185 3213 3315 3375 3381 3519 3675 3825 4025 4095 4165 4347 4375 4485 4641 4725 4875 5083 5175 5355 5525 5625 5635 5733 5865 5967 6125 6279 6375 6615 6825 7245 7475 7497 7735 7875 8073 8125 8211 8625 8775 8925 9375 9555 9775 9945 10143 10465 10557 10625 10829 11025 11375 11475 12075 12285 12495 13125 13455 13685 13923 14375 14625 14651 14875 15249 15525 15925 16065 16575 16875 16905 17199 17595 18375 18837 19125 19159 20125 20475 20825 21735 21875 22425 22491 23205 23625 24375 24633 25415 25875 26775 27625 28125 28175 28665 29325 29835 30429 30625 31395 31875 32487 33075 34125 35581 36225 37375 37485 38675 39375 40365 40625 41055 41769 43125 43875 43953 44625 45747 47775 48875 49725 50715 52325 52785 53125 54145 55125 56511 56875 57375 57477 60375 61425 62475 65625 67275 68425 69615 71875 73125 73255 73899 74375 76245 77625 79625 80325 82875 84375 84525 85995 87975 91875 94185 95625 95795 97461 100625 102375 104125 106743 108675 112125 112455 116025 118125 121875 123165 127075 129375 131859 133875 137241 138125 140875 143325 146625 149175 152145 153125 156975 159375 162435 165375 170625 172431 177905 181125 186875 187425 193375 196875 201825 205275 208845 215625 219375 219765 223125 228735 238875 244375 248625 249067 253575 261625 263925 270725 275625 282555 284375 286875 287385 292383 301875 307125 312375 320229 336375 342125 348075 365625 366275 369495 371875 381225 388125 395577 398125 401625 414375 422625 429975 439875 459375 470925 478125 478975 487305 503125 511875 517293 520625 533715 543375 560625 562275 580125 590625 615825 635375 646875 659295 669375 686205 690625 704375 716625 733125 745875 747201 760725 784875 812175 826875 853125 862155 889525 905625 934375 937125 960687 966875 1009125 1026375 1044225 1096875 1098825 1115625 1143675 1194375 1221875 1243125 1245335 1267875 1308125 1319625 1353625 1378125 1412775 1434375 1436925 1461915 1509375 1535625 1561875 1601145 1681875 1710625 1740375 1831375 1847475 1906125 1940625 1977885 1990625 2008125 2071875 2113125 2149875 2199375 2241603 2354625 2394875 2436525 2559375 2586465 2603125 2668575 2716875 2803125 2811375 2900625 3079125 3176875 3296475 3346875 3431025 3521875 3583125 3665625 3729375 3736005 3803625 3924375 4060875 4134375 4310775 4447625 4528125 4685625 4803435 4834375 5045625 5131875 5221125 5494125 5718375 5971875 6215625 6226675 6339375 6540625 6598125 6724809 6768125 7063875 7184625 7309575 7678125 7809375 8005725 8409375 8553125 8701875 9156875 9237375 9530625 9889425 10040625 10565625 10749375 10996875 11208015 11773125 11974375 12182625 12932325 13342875 13584375 14056875 14503125 15395625 15884375 16482375 17155125 17915625 18646875 18680025 19018125 19621875 20304375 21553875 22238125 23428125 24017175 25228125 25659375 26105625 27470625 28591875 31133375 31696875 32990625 33624045 33840625 35319375 35923125 36547875 40028625 43509375 45784375 46186875 47653125 49447125 53746875 56040075 58865625 59871875 60913125 64661625 66714375 70284375 76978125 82411875 85775625 93400125 95090625 101521875 107769375 111190625 120085875 130528125 137353125 142959375 155666875 168120225 176596875 179615625 182739375 200143125 230934375 247235625 280200375 304565625 323308125 333571875 412059375 428878125 467000625 538846875 600429375 778334375 840601125 913696875 1000715625 1236178125 1401001875 1616540625 2335003125 3002146875 4203005625 7005009375 21015028125
- Sum of all divisors σ(n): 53861552640
- Sum of proper divisors (its aliquot sum) s(n): 32846524515
- 21015028125 is an abundant number, because the sum of its proper divisors (32846524515) is greater than itself. Its abundance is 11831496390
Bases of 21015028125
- Binary: 100111001001001011111100001100111012
- Hexadecimal: 0x4E497E19D
- Base-36: 9NJSZH9
Squares and roots of 21015028125
- 21015028125 squared (210150281252) is 441631407094541015625
- 21015028125 cubed (210150281253) is 9280896440975103977325439453125
-
The
square root of 21015028125 is 144965.6101459929 -
The
cube root of 21015028125 is 2759.5821378261
Scales and comparisons
How big is 21015028125?- 21,015,028,125 seconds is equal to 668 years, 11 weeks, 11 hours, 48 minutes, 45 seconds.
-
To count from 1 to 21,015,028,125 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 21015028125 cubic inches would be around 230 feet tall.
Recreational maths with 21015028125
- 21015028125 backwards is 52182051012
- 21015028125 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21015028125's digits is 27
- More coming soon!
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