21143163840
21,143,163,840 is an even composite number composed of six prime numbers multiplied together.
What does the number 21143163840 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 336 divisors.
21143163840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21143163840:
26 × 3 × 5 × 17 × 712 × 257
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 17 × 71 × 71 × 257)See below for interesting mathematical facts about the number 21143163840 from the Numbermatics database.
Names of 21143163840
- Cardinal: 21143163840 can be written as Twenty-one billion, one hundred forty-three million, one hundred sixty-three thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.114316384 × 1010
Factors of 21143163840
Divisors of 21143163840
- Number of divisors d(n): 336
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 71 80 85 96 102 120 136 142 160 170 192 204 213 240 255 257 272 284 320 340 355 408 426 480 510 514 544 568 680 710 771 816 852 960 1020 1028 1065 1088 1136 1207 1285 1360 1420 1542 1632 1704 2040 2056 2130 2272 2414 2570 2720 2840 3084 3264 3408 3621 3855 4080 4112 4260 4369 4544 4828 5041 5140 5440 5680 6035 6168 6816 7242 7710 8160 8224 8520 8738 9656 10082 10280 11360 12070 12336 13107 13632 14484 15123 15420 16320 16448 17040 17476 18105 18247 19312 20164 20560 21845 22720 24140 24672 25205 26214 28968 30246 30840 34080 34952 36210 36494 38624 40328 41120 43690 48280 49344 50410 52428 54741 57936 60492 61680 65535 68160 69904 72420 72988 75615 77248 80656 82240 85697 87380 91235 96560 100820 104856 109482 115872 120984 123360 131070 139808 144840 145976 151230 161312 171394 174760 182470 193120 201640 209712 218964 231744 241968 246720 257091 262140 273705 279616 289680 291952 302460 310199 322624 342788 349520 364940 386240 403280 419424 428485 437928 483936 514182 524280 547410 579360 583904 604920 620398 685576 699040 729880 806560 838848 856970 875856 930597 967872 1028364 1048560 1094820 1158720 1167808 1209840 1240796 1285455 1295537 1371152 1398080 1459760 1550995 1613120 1713940 1751712 1861194 2056728 2097120 2189640 2419680 2481592 2570910 2591074 2742304 2919520 3101990 3427880 3503424 3722388 3886611 4113456 4194240 4379280 4652985 4839360 4963184 5141820 5182148 5484608 5839040 6203980 6477685 6855760 7444776 7773222 8226912 8758560 9305970 9926368 10283640 10364296 12407960 12955370 13711520 14889552 15546444 16453824 17517120 18611940 19433055 19852736 20567280 20728592 22024129 24815920 25910740 27423040 29779104 31092888 37223880 38866110 41134560 41457184 44048258 49631840 51821480 59558208 62185776 66072387 74447760 77732220 82269120 82914368 88096516 99263680 103642960 110120645 124371552 132144774 148895520 155464440 176193032 207285920 220241290 248743104 264289548 297791040 310928880 330361935 352386064 414571840 440482580 528579096 621857760 660723870 704772128 880965160 1057158192 1243715520 1321447740 1409544256 1761930320 2114316384 2642895480 3523860640 4228632768 5285790960 7047721280 10571581920 21143163840
- Sum of all divisors σ(n): 72374065056
- Sum of proper divisors (its aliquot sum) s(n): 51230901216
- 21143163840 is an abundant number, because the sum of its proper divisors (51230901216) is greater than itself. Its abundance is 30087737376
Bases of 21143163840
- Binary: 100111011000011101100010011110000002
- Hexadecimal: 0x4EC3B13C0
- Base-36: 9PO3DMO
Squares and roots of 21143163840
- 21143163840 squared (211431638402) is 447033377165083545600
- 21143163840 cubed (211431638403) is 9451699935349876131908911104000
-
The
square root of 21143163840 is 145406.8906207681 -
The
cube root of 21143163840 is 2765.1794779439
Scales and comparisons
How big is 21143163840?- 21,143,163,840 seconds is equal to 672 years, 14 weeks, 6 days, 13 hours, 4 minutes.
-
To count from 1 to 21,143,163,840 would take you about one thousand, three hundred forty-four 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 21143163840 cubic inches would be around 230.4 feet tall.
Recreational maths with 21143163840
- 21143163840 backwards is 04836134112
- The number of decimal digits it has is: 11
- The sum of 21143163840's digits is 33
- More coming soon!
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