21408346960
21,408,346,960 is an even composite number composed of seven prime numbers multiplied together.
21408346960 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21408346960:
24 × 5 × 72 × 11 × 13 × 181 × 211
(2 × 2 × 2 × 2 × 5 × 7 × 7 × 11 × 13 × 181 × 211)See below for interesting mathematical facts about the number 21408346960 from the Numbermatics database.
Names of 21408346960
- Cardinal: 21408346960 can be written as Twenty-one billion, four hundred eight million, three hundred forty-six thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.140834696 × 1010
Factors of 21408346960
Divisors of 21408346960
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 4 5 7 8 10 11 13 14 16 20 22 26 28 35 40 44 49 52 55 56 65 70 77 80 88 91 98 104 110 112 130 140 143 154 176 181 182 196 208 211 220 245 260 280 286 308 362 364 385 392 422 440 455 490 520 539 560 572 616 637 715 724 728 770 784 844 880 905 910 980 1001 1040 1055 1078 1144 1232 1267 1274 1430 1448 1456 1477 1540 1688 1810 1820 1960 1991 2002 2110 2156 2288 2321 2353 2534 2548 2695 2743 2860 2896 2954 3080 3185 3376 3620 3640 3920 3982 4004 4220 4312 4642 4706 5005 5068 5096 5390 5486 5720 5908 6160 6335 6370 7007 7240 7280 7385 7964 8008 8440 8624 8869 9284 9412 9955 10010 10136 10192 10339 10780 10972 11440 11605 11765 11816 12670 12740 13715 13937 14014 14480 14770 15928 16016 16247 16471 16880 17738 18568 18824 19201 19910 20020 20272 20678 21560 21944 23210 23530 23632 25340 25480 25883 27430 27874 28028 29540 30173 31856 32494 32942 35035 35476 37136 37648 38191 38402 39820 40040 41356 43120 43888 44345 46420 47060 50680 50960 51695 51766 54860 55748 56056 59080 60346 64988 65884 69685 70070 70952 76382 76804 79640 80080 81235 82355 82712 88690 92840 94120 96005 97559 101360 103390 103532 109720 111496 112112 113729 115297 118160 120692 129415 129976 131768 134407 139370 140140 141904 150865 152764 153608 159280 162470 164710 165424 177380 181181 185680 188240 190955 192010 195118 206780 207064 211211 219440 222992 227458 230594 241384 258830 259952 263536 267337 268814 278740 280280 301730 305528 307216 324940 329420 354760 362362 381910 384020 390236 413560 414128 420101 422422 454916 461188 482768 487795 496483 517660 534674 537628 557480 560560 568645 576485 603460 611056 649880 658840 672035 709520 724724 763820 768040 780472 827120 840202 844844 905905 909832 922376 975590 992966 1035320 1056055 1069348 1075256 1114960 1137290 1152970 1206920 1268267 1299760 1317680 1336685 1344070 1449448 1478477 1527640 1536080 1560944 1680404 1689688 1811810 1819664 1844752 1871359 1951180 1985932 2070640 2100505 2112110 2138696 2150512 2274580 2305940 2413840 2482415 2536534 2673370 2688140 2898896 2940707 2956954 3055280 3360808 3379376 3475381 3623620 3742718 3902360 3971864 4201010 4224220 4277392 4549160 4611880 4964830 5073068 5346740 5376280 5461313 5881414 5913908 6341335 6721616 6950762 7247240 7392385 7485436 7804720 7943728 8402020 8448440 9098320 9223760 9356795 9929660 10146136 10693480 10752560 10922626 11762828 11827816 12682670 13901524 14494480 14703535 14784770 14970872 16804040 16896880 17376905 18713590 19859320 20292272 20584949 21386960 21845252 23525656 23655632 24327667 25365340 27306565 27803048 29407070 29569540 29941744 33608080 34753810 37427180 38229191 39718640 41169898 43690504 47051312 48655334 50730680 54613130 55606096 58814140 59139080 69507620 74854360 76458382 82339796 87381008 97310668 101461360 102924745 109226260 117628280 118278160 121638335 139015240 149708720 152916764 164679592 191145955 194621336 205849490 218452520 235256560 243276670 267604337 278030480 305833528 329359184 382291910 389242672 411698980 436905040 486553340 535208674 611667056 764583820 823397960 973106680 1070417348 1338021685 1529167640 1646795920 1946213360 2140834696 2676043370 3058335280 4281669392 5352086740 10704173480 21408346960
- Sum of all divisors σ(n): 68723351424
- Sum of proper divisors (its aliquot sum) s(n): 47315004464
- 21408346960 is an abundant number, because the sum of its proper divisors (47315004464) is greater than itself. Its abundance is 25906657504
Bases of 21408346960
- Binary: 100111111000000100101110011010100002
- Hexadecimal: 0x4FC097350
- Base-36: 9U1Z68G
Squares and roots of 21408346960
- 21408346960 squared (214083469602) is 458317319559741241600
- 21408346960 cubed (214083469603) is 9811816194912134947993985536000
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The
square root of 21408346960 is 146315.9149238387 -
The
cube root of 21408346960 is 2776.6920161829
Scales and comparisons
How big is 21408346960?- 21,408,346,960 seconds is equal to 680 years, 37 weeks, 2 days, 19 hours, 2 minutes, 40 seconds.
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To count from 1 to 21,408,346,960 would take you about one thousand, three hundred sixty-one 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 21408346960 cubic inches would be around 231.4 feet tall.
Recreational maths with 21408346960
- 21408346960 backwards is 06964380412
- The number of decimal digits it has is: 11
- The sum of 21408346960's digits is 43
- More coming soon!
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