21206003840
21,206,003,840 is an even composite number composed of seven prime numbers multiplied together.
21206003840 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21206003840:
27 × 5 × 7 × 31 × 43 × 53 × 67
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 31 × 43 × 53 × 67)See below for interesting mathematical facts about the number 21206003840 from the Numbermatics database.
Names of 21206003840
- Cardinal: 21206003840 can be written as Twenty-one billion, two hundred six million, three thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.120600384 × 1010
Factors of 21206003840
Divisors of 21206003840
- Number of divisors d(n): 512
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 43 53 56 62 64 67 70 80 86 106 112 124 128 134 140 155 160 172 212 215 217 224 248 265 268 280 301 310 320 335 344 371 424 430 434 448 469 496 530 536 560 602 620 640 670 688 742 848 860 868 896 938 992 1060 1072 1085 1120 1204 1240 1333 1340 1376 1484 1505 1643 1696 1720 1736 1855 1876 1984 2077 2120 2144 2170 2240 2279 2345 2408 2480 2666 2680 2752 2881 2968 3010 3286 3392 3440 3472 3551 3710 3752 3968 4154 4240 4288 4340 4480 4558 4690 4816 4960 5332 5360 5504 5762 5936 6020 6572 6665 6784 6880 6944 7102 7420 7504 8215 8308 8480 8576 8680 9116 9331 9380 9632 9920 10385 10664 10720 11395 11501 11524 11872 12040 13144 13330 13760 13888 14204 14405 14539 14840 15008 15953 16430 16616 16960 17360 17755 18232 18662 18760 19264 19840 20167 20770 21328 21440 22790 23002 23048 23744 24080 24857 26288 26660 27520 27776 28408 28810 29078 29680 30016 31906 32860 33232 33920 34720 35510 36464 37324 37520 38528 40334 41540 42656 42880 45580 46004 46096 46655 47488 48160 49714 52576 53320 56816 57505 57620 58156 59360 60032 63812 65720 66464 69440 70649 71020 72695 72928 74648 75040 79765 80668 83080 85312 89311 91160 92008 92192 93310 96320 99428 100835 105152 106640 110081 113632 115010 115240 116312 118720 124285 127624 131440 132928 138880 141298 142040 145390 145856 149296 150080 152693 159530 161336 166160 170624 178622 182320 184016 184384 186620 192640 198856 201670 210304 213280 220162 227264 230020 230480 232624 237440 248570 255248 262880 265856 282596 284080 290780 291712 298592 300160 305386 319060 322672 332320 353245 357244 364640 368032 368768 373240 397712 403340 426560 440324 446555 454528 460040 460960 465248 494543 497140 510496 525760 550405 565192 568160 581560 597184 610772 625177 638120 645344 664640 706490 714488 729280 736064 746480 763465 770567 795424 806680 853120 880648 893110 920080 921920 930496 989086 994280 1020992 1051520 1068851 1100810 1130384 1136320 1163120 1194368 1221544 1250354 1276240 1290688 1329280 1412980 1428976 1458560 1472128 1492960 1526930 1541134 1590848 1613360 1761296 1786220 1840160 1843840 1860992 1978172 1988560 2041984 2137702 2201620 2260768 2272640 2326240 2443088 2472715 2500708 2552480 2581376 2825960 2857952 2985920 3053860 3082268 3125885 3181696 3226720 3522592 3572440 3680320 3852835 3956344 3977120 4275404 4403240 4521536 4652480 4733483 4886176 4945430 5001416 5104960 5344255 5651920 5715904 5971840 6107720 6164536 6251770 6453440 7045184 7144880 7360640 7705670 7912688 7954240 8550808 8806480 9043072 9304960 9466966 9772352 9890860 10002832 10209920 10688510 11303840 11431808 12215440 12329072 12503540 12906880 14090368 14289760 15411340 15825376 15908480 17101616 17612960 18933932 19544704 19781720 20005664 21377020 22607680 23667415 24430880 24658144 25007080 28579520 30822680 31650752 33134381 34203232 35225920 37867864 39563440 40011328 42754040 45215360 47334830 48861760 49316288 50014160 57159040 61645360 63301504 66268762 68406464 70451840 75735728 79126880 80022656 85508080 94669660 97723520 98632576 100028320 123290720 132537524 136812928 151471456 158253760 165671905 171016160 189339320 200056640 246581440 265075048 302942912 316507520 331343810 342032320 378678640 400113280 493162880 530150096 605885824 662687620 684064640 757357280 1060300192 1325375240 1514714560 2120600384 2650750480 3029429120 4241200768 5301500960 10603001920 21206003840
- Sum of all divisors σ(n): 63282954240
- Sum of proper divisors (its aliquot sum) s(n): 42076950400
- 21206003840 is an abundant number, because the sum of its proper divisors (42076950400) is greater than itself. Its abundance is 20870946560
Bases of 21206003840
- Binary: 100111011111111100111110000100000002
- Hexadecimal: 0x4EFF9F080
- Base-36: 9QPI9A8
Squares and roots of 21206003840
- 21206003840 squared (212060038402) is 449694598862094745600
- 21206003840 cubed (212060038403) is 9536225390296840805637423104000
-
The
square root of 21206003840 is 145622.8135973207 -
The
cube root of 21206003840 is 2767.9162492619
Scales and comparisons
How big is 21206003840?- 21,206,003,840 seconds is equal to 674 years, 14 weeks, 5 days, 20 hours, 37 minutes, 20 seconds.
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To count from 1 to 21,206,003,840 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 21206003840 cubic inches would be around 230.7 feet tall.
Recreational maths with 21206003840
- 21206003840 backwards is 04830060212
- The number of decimal digits it has is: 11
- The sum of 21206003840's digits is 26
- More coming soon!
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