21209009920
21,209,009,920 is an even composite number composed of six prime numbers multiplied together.
21209009920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 21209009920:
28 × 5 × 7 × 192 × 79 × 83
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 19 × 19 × 79 × 83)See below for interesting mathematical facts about the number 21209009920 from the Numbermatics database.
Names of 21209009920
- Cardinal: 21209009920 can be written as Twenty-one billion, two hundred nine million, nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.120900992 × 1010
Factors of 21209009920
Divisors of 21209009920
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 64 70 76 79 80 83 95 112 128 133 140 152 158 160 166 190 224 256 266 280 304 316 320 332 361 380 395 415 448 532 553 560 581 608 632 640 664 665 722 760 790 830 896 1064 1106 1120 1162 1216 1264 1280 1328 1330 1444 1501 1520 1577 1580 1660 1792 1805 2128 2212 2240 2324 2432 2527 2528 2656 2660 2765 2888 2905 3002 3040 3154 3160 3320 3610 4256 4424 4480 4648 4864 5054 5056 5312 5320 5530 5776 5810 6004 6080 6308 6320 6557 6640 7220 7505 7885 8512 8848 8960 9296 10108 10112 10507 10624 10640 11039 11060 11552 11620 12008 12160 12616 12635 12640 13114 13280 14440 15010 15770 17024 17696 18592 20216 20224 21014 21248 21280 22078 22120 23104 23240 24016 24320 25232 25270 25280 26228 26560 28519 28880 29963 30020 31540 32785 34048 35392 37184 40432 42028 42560 44156 44240 45899 46208 46480 48032 50464 50540 50560 52456 52535 53120 55195 57038 57760 59926 60040 63080 65570 70784 74368 80864 84056 85120 88312 88480 91798 92416 92960 96064 100928 101080 101120 104912 105070 106240 110390 114076 115520 119852 120080 124583 126160 131140 141568 142595 148736 149815 161728 168112 170240 176624 176960 183596 185920 192128 199633 201856 202160 209741 209824 210140 220780 228152 229495 231040 239704 240160 249166 252320 262280 285190 299630 323456 336224 353248 353920 367192 371840 384256 399266 403712 404320 419482 419648 420280 441560 456304 458990 462080 479408 480320 498332 504640 524560 570380 599260 622915 646912 672448 706496 707840 734384 743680 798532 808640 838964 839296 840560 872081 883120 912608 917980 958816 960640 996664 998165 1009280 1048705 1049120 1140760 1198520 1245830 1344896 1412992 1468768 1597064 1617280 1677928 1678592 1681120 1744162 1766240 1825216 1835960 1917632 1921280 1993328 1996330 2018560 2097410 2098240 2281520 2367077 2397040 2491660 2689792 2825984 2937536 3194128 3234560 3355856 3362240 3488324 3532480 3650432 3671920 3835264 3986656 3992660 4194820 4196480 4360405 4563040 4734154 4794080 4983320 5875072 6388256 6711712 6724480 6976648 7064960 7300864 7343840 7670528 7973312 7985320 8389640 8392960 8720810 9126080 9468308 9588160 9966640 11750144 11835385 12776512 13423424 13448960 13953296 14129920 14687680 15946624 15970640 16569539 16779280 17441620 18252160 18936616 19176320 19933280 23670770 25553024 26846848 27906592 29375360 31893248 31941280 33139078 33558560 34883240 36504320 37873232 38352640 39866560 47341540 51106048 53693696 55813184 58750720 63882560 66278156 67117120 69766480 75746464 79733120 82847695 94683080 111626368 127765120 132556312 134234240 139532960 151492928 159466240 165695390 189366160 223252736 255530240 265112624 268468480 279065920 302985856 331390780 378732320 530225248 558131840 605971712 662781560 757464640 1060450496 1116263680 1325563120 1514929280 2120900992 2651126240 3029858560 4241801984 5302252480 10604504960 21209009920
- Sum of all divisors σ(n): 62799528960
- Sum of proper divisors (its aliquot sum) s(n): 41590519040
- 21209009920 is an abundant number, because the sum of its proper divisors (41590519040) is greater than itself. Its abundance is 20381509120
Bases of 21209009920
- Binary: 100111100000010011111001111000000002
- Hexadecimal: 0x4F027CF00
- Base-36: 9QRAOSG
Squares and roots of 21209009920
- 21209009920 squared (212090099202) is 449822101786658406400
- 21209009920 cubed (212090099203) is 9540281419028487864988991488000
-
The
square root of 21209009920 is 145633.1346912509 -
The
cube root of 21209009920 is 2768.0470327357
Scales and comparisons
How big is 21209009920?- 21,209,009,920 seconds is equal to 674 years, 19 weeks, 5 days, 15 hours, 38 minutes, 40 seconds.
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To count from 1 to 21,209,009,920 would take you about one thousand, three hundred forty-eight 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 21209009920 cubic inches would be around 230.7 feet tall.
Recreational maths with 21209009920
- 21209009920 backwards is 02990090212
- The number of decimal digits it has is: 11
- The sum of 21209009920's digits is 34
- More coming soon!
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The information we have on file for 21209009920 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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