21009388320
21,009,388,320 is an even composite number composed of seven prime numbers multiplied together.
21009388320 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21009388320:
25 × 32 × 5 × 19 × 67 × 73 × 157
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 19 × 67 × 73 × 157)See below for interesting mathematical facts about the number 21009388320 from the Numbermatics database.
Names of 21009388320
- Cardinal: 21009388320 can be written as Twenty-one billion, nine million, three hundred eighty-eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.100938832 × 1010
Factors of 21009388320
Divisors of 21009388320
- Number of divisors d(n): 576
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 67 72 73 76 80 90 95 96 114 120 134 144 146 152 157 160 171 180 190 201 219 228 240 268 285 288 292 304 314 335 342 360 365 380 402 438 456 471 480 536 570 584 603 608 628 657 670 684 720 730 760 785 804 855 876 912 942 1005 1072 1095 1140 1168 1206 1256 1273 1314 1340 1368 1387 1413 1440 1460 1520 1570 1608 1710 1752 1824 1884 2010 2144 2190 2280 2336 2355 2412 2512 2546 2628 2680 2736 2774 2826 2920 2983 3015 3040 3140 3216 3285 3420 3504 3768 3819 4020 4161 4380 4560 4710 4824 4891 5024 5092 5256 5360 5472 5548 5652 5840 5966 6030 6280 6365 6432 6570 6840 6935 7008 7065 7536 7638 8040 8322 8760 8949 9120 9420 9648 9782 10184 10512 10519 10720 11096 11304 11457 11461 11680 11932 12060 12483 12560 12730 13140 13680 13870 14130 14673 14915 15072 15276 16080 16644 17520 17898 18840 19095 19296 19564 20368 20805 21024 21038 22192 22608 22914 22922 23864 24120 24455 24966 25120 25460 26280 26847 27360 27740 28260 29346 29830 30552 31557 32160 33288 34383 35040 35796 37680 38190 39128 40736 41610 42076 44019 44384 44745 45216 45828 45844 47728 48240 48910 49932 50920 52560 52595 53694 55480 56520 57285 57305 58692 59660 61104 62415 63114 66576 68766 71592 73365 75360 76380 78256 83220 84152 88038 89490 91656 91688 92929 94671 95456 96480 97820 99864 101840 103149 105120 105190 107388 110960 113040 114570 114610 117384 119320 122208 124830 126228 133152 134235 137532 143184 146730 152760 156512 157785 166440 168304 171915 176076 178980 183312 183376 185858 189342 195640 199728 199861 203680 206298 210380 214776 217759 220095 221920 226080 229140 229220 234768 238640 249660 252456 268470 275064 278787 286368 293460 305520 315570 332880 336608 343830 352152 357960 366624 366752 371716 378684 391280 399456 399722 412596 420760 429552 435518 440190 458280 458440 464645 469536 473355 477280 499320 504912 515745 536940 550128 557574 586920 599583 611040 631140 653277 665760 687660 704304 715920 743432 757368 767887 782560 799444 825192 836361 841520 859104 871036 880380 916560 916880 929290 946710 998640 999305 1009824 1031490 1073880 1088795 1100256 1115148 1173840 1199166 1262280 1306554 1375320 1393935 1408608 1431840 1486864 1514736 1535774 1598888 1650384 1672722 1683040 1742072 1760760 1798749 1833120 1833760 1858580 1893420 1959831 1997280 1998610 2062980 2147760 2177590 2230296 2303661 2347680 2398332 2524560 2613108 2750640 2787870 2973728 2997915 3029472 3071548 3197776 3266385 3300768 3345444 3484144 3521520 3597498 3717160 3786840 3839435 3919662 3997220 4125960 4181805 4295520 4355180 4460592 4607322 4796664 5049120 5226216 5501280 5575740 5995830 6143096 6395552 6532770 6690888 6910983 6968288 7043040 7194996 7434320 7573680 7678870 7839324 7994440 8251920 8363610 8710360 8921184 8993745 9214644 9593328 9799155 10452432 11151480 11518305 11991660 12286192 13065540 13381776 13821966 14389992 14589853 14868640 15147360 15357740 15678648 15988880 16503840 16727220 17420720 17987490 18429288 19186656 19598310 20904864 22302960 23036610 23983320 24572384 26131080 26763552 27643932 28779984 29179706 30715480 31357296 31977760 33454440 34554915 34841440 35974980 36858576 39196620 43769559 44605920 46073220 47966640 52262160 55287864 57559968 58359412 61430960 62714592 66908880 69109830 71949960 72949265 73717152 78393240 87539118 92146440 95933280 104524320 110575728 116718824 122861920 131308677 133817760 138219660 143899920 145898530 156786480 175078236 184292880 218847795 221151456 233437648 262617354 276439320 287799840 291797060 313572960 350156472 368585760 437695590 466875296 525234708 552878640 583594120 656543385 700312944 875391180 1050469416 1105757280 1167188240 1313086770 1400625888 1750782360 2100938832 2334376480 2626173540 3501564720 4201877664 5252347080 7003129440 10504694160 21009388320
- Sum of all divisors σ(n): 78138103680
- Sum of proper divisors (its aliquot sum) s(n): 57128715360
- 21009388320 is an abundant number, because the sum of its proper divisors (57128715360) is greater than itself. Its abundance is 36119327040
Bases of 21009388320
- Binary: 100111001000100000111010011001000002
- Hexadecimal: 0x4E441D320
- Base-36: 9NGG3S0
Squares and roots of 21009388320
- 21009388320 squared (210093883202) is 441394397580552422400
- 21009388320 cubed (210093883203) is 9273426301042294322318266368000
-
The
square root of 21009388320 is 144946.1566237615 -
The
cube root of 21009388320 is 2759.3352526365
Scales and comparisons
How big is 21009388320?- 21,009,388,320 seconds is equal to 668 years, 1 week, 5 days, 5 hours, 12 minutes.
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To count from 1 to 21,009,388,320 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 21009388320 cubic inches would be around 229.9 feet tall.
Recreational maths with 21009388320
- 21009388320 backwards is 02388390012
- 21009388320 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21009388320's digits is 36
- More coming soon!
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The information we have on file for 21009388320 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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