21015391320
21,015,391,320 is an even composite number composed of six prime numbers multiplied together.
21015391320 is an even 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 21015391320:
23 × 32 × 5 × 7 × 112 × 413
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 11 × 11 × 41 × 41 × 41)See below for interesting mathematical facts about the number 21015391320 from the Numbermatics database.
Names of 21015391320
- Cardinal: 21015391320 can be written as Twenty-one billion, fifteen million, three hundred ninety-one thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.101539132 × 1010
Factors of 21015391320
Divisors of 21015391320
- Number of divisors d(n): 576
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 21 22 24 28 30 33 35 36 40 41 42 44 45 55 56 60 63 66 70 72 77 82 84 88 90 99 105 110 120 121 123 126 132 140 154 164 165 168 180 198 205 210 220 231 242 246 252 264 280 287 308 315 328 330 360 363 369 385 396 410 420 440 451 462 484 492 495 504 574 605 615 616 630 660 693 726 738 770 792 820 840 847 861 902 924 968 984 990 1089 1148 1155 1210 1230 1260 1320 1353 1386 1435 1452 1476 1540 1640 1681 1694 1722 1804 1815 1845 1848 1980 2178 2255 2296 2310 2420 2460 2520 2541 2583 2706 2772 2870 2904 2952 3080 3157 3362 3388 3444 3465 3608 3630 3690 3960 4059 4235 4305 4356 4510 4620 4840 4920 4961 5043 5082 5166 5412 5445 5544 5740 6314 6724 6765 6776 6888 6930 7260 7380 7623 8118 8405 8470 8610 8712 9020 9240 9471 9922 10086 10164 10332 10824 10890 11480 11767 12628 12705 12915 13448 13530 13860 14520 14760 14883 15129 15246 15785 16236 16810 16940 17220 18040 18491 18942 19844 20172 20295 20328 20664 21780 23534 24805 25215 25256 25410 25830 27060 27720 28413 29766 30258 30492 31570 32472 33620 33880 34440 34727 35301 36982 37884 38115 39688 40344 40590 43560 44649 47068 47355 49610 50430 50820 51660 54120 55473 56826 58835 59532 60516 60984 63140 67240 68921 69454 70602 73964 74415 75645 75768 76230 81180 89298 92455 94136 94710 99220 100860 101640 103320 104181 105903 110946 113652 117670 119064 121032 126280 129437 137842 138908 141204 142065 147928 148830 151290 152460 162360 166419 173635 176505 178596 184910 189420 198440 201720 203401 206763 208362 211806 221892 223245 227304 235340 258874 275684 277365 277816 282408 284130 297660 302580 304920 312543 332838 344605 347270 353010 357192 369820 378840 388311 406802 413526 416724 423612 443784 446490 470680 482447 517748 520905 529515 551368 554730 568260 595320 605160 610203 620289 625086 647185 665676 689210 694540 706020 739640 758131 776622 813604 827052 832095 833448 847224 892980 964894 1017005 1033815 1035496 1041810 1059030 1109460 1136520 1164933 1220406 1240578 1250172 1294370 1331352 1378420 1389080 1412040 1423807 1447341 1516262 1553244 1562715 1627208 1654104 1664190 1785960 1830609 1929788 1941555 2034010 2067630 2083620 2118060 2218920 2274393 2329866 2412235 2440812 2481156 2500344 2588740 2756840 2847614 2894682 3032524 3051015 3101445 3106488 3125430 3328380 3661218 3790655 3859576 3883110 4068020 4135260 4167240 4236120 4271421 4342023 4548786 4659732 4824470 4881624 4962312 5177480 5306917 5695228 5789364 5824665 6065048 6102030 6202890 6250860 6656760 6823179 7119035 7236705 7322436 7581310 7766220 8136040 8270520 8339441 8542842 8684046 9097572 9153045 9319464 9648940 10613834 11371965 11390456 11578728 11649330 12204060 12405780 12501720 12814263 13646358 14238070 14473410 14644872 15162620 15532440 15920751 16678882 17085684 17368092 18195144 18306090 19297880 21227668 21357105 21710115 22743930 23298660 24408120 24811560 25018323 25628526 26534585 27292716 28476140 28946820 30325240 31841502 33357764 34115895 34171368 34736184 36612180 41697205 42455336 42714210 43420230 45487860 46597320 47762253 50036646 51257052 53069170 54585432 56952280 57893640 58376087 63683004 64071315 66715528 68231790 73224360 75054969 79603755 83394410 85428420 86840460 90975720 95524506 100073292 102514104 106138340 116752174 125091615 127366008 128142630 136463580 150109938 159207510 166788820 170856840 173680920 175128261 191049012 200146584 212276680 233504348 238811265 250183230 256285260 272927160 291880435 300219876 318415020 333577640 350256522 375274845 382098024 467008696 477622530 500366460 512570520 525384783 583760870 600439752 636830040 700513044 750549690 875641305 955245060 1000732920 1050769566 1167521740 1401026088 1501099380 1751282610 1910490120 2101539132 2335043480 2626923915 3002198760 3502565220 4203078264 5253847830 7005130440 10507695660 21015391320
- Sum of all divisors σ(n): 87943302720
- Sum of proper divisors (its aliquot sum) s(n): 66927911400
- 21015391320 is an abundant number, because the sum of its proper divisors (66927911400) is greater than itself. Its abundance is 45912520080
Bases of 21015391320
- Binary: 100111001001001110101101100010110002
- Hexadecimal: 0x4E49D6C58
- Base-36: 9NK0RQ0
Squares and roots of 21015391320
- 21015391320 squared (210153913202) is 441646672332731342400
- 21015391320 cubed (210153913203) is 9281377644248166404964907968000
-
The
square root of 21015391320 is 144966.8628342353 -
The
cube root of 21015391320 is 2759.5980353489
Scales and comparisons
How big is 21015391320?- 21,015,391,320 seconds is equal to 668 years, 11 weeks, 4 days, 16 hours, 42 minutes.
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To count from 1 to 21,015,391,320 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 21015391320 cubic inches would be around 230 feet tall.
Recreational maths with 21015391320
- 21015391320 backwards is 02319351012
- The number of decimal digits it has is: 11
- The sum of 21015391320's digits is 27
- More coming soon!
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