20408121720
20,408,121,720 is an even composite number composed of five prime numbers multiplied together.
20408121720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 20408121720:
23 × 39 × 5 × 72 × 232
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 23 × 23)See below for interesting mathematical facts about the number 20408121720 from the Numbermatics database.
Names of 20408121720
- Cardinal: 20408121720 can be written as Twenty billion, four hundred eight million, one hundred twenty-one thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.040812172 × 1010
Factors of 20408121720
Divisors of 20408121720
- Number of divisors d(n): 720
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 23 24 27 28 30 35 36 40 42 45 46 49 54 56 60 63 69 70 72 81 84 90 92 98 105 108 115 120 126 135 138 140 147 161 162 168 180 184 189 196 207 210 216 230 243 245 252 270 276 280 294 315 322 324 345 360 378 392 405 414 420 441 460 483 486 490 504 529 540 552 567 588 621 630 644 648 690 729 735 756 805 810 828 840 882 920 945 966 972 980 1035 1058 1080 1127 1134 1176 1215 1242 1260 1288 1323 1380 1449 1458 1470 1512 1587 1610 1620 1656 1701 1764 1863 1890 1932 1944 1960 2070 2116 2187 2205 2254 2268 2415 2430 2484 2520 2645 2646 2760 2835 2898 2916 2940 3105 3174 3220 3240 3381 3402 3528 3645 3703 3726 3780 3864 3969 4140 4232 4347 4374 4410 4508 4536 4761 4830 4860 4968 5103 5290 5292 5589 5635 5670 5796 5832 5880 6210 6348 6440 6561 6615 6762 6804 7245 7290 7406 7452 7560 7935 7938 8280 8505 8694 8748 8820 9016 9315 9522 9660 9720 10143 10206 10580 10584 10935 11109 11178 11270 11340 11592 11907 12420 12696 13041 13122 13230 13524 13608 14283 14490 14580 14812 14904 15309 15870 15876 16767 16905 17010 17388 17496 17640 18515 18630 19044 19320 19683 19845 20286 20412 21160 21735 21870 22218 22356 22540 22680 23805 23814 24840 25515 25921 26082 26244 26460 27048 27945 28566 28980 29160 29624 30429 30618 31740 31752 32805 33327 33534 33810 34020 34776 35721 37030 37260 38088 39123 39366 39690 40572 40824 42849 43470 43740 44436 44712 45080 45927 47610 47628 50301 50715 51030 51842 52164 52488 52920 55545 55890 57132 57960 59535 60858 61236 63480 65205 65610 66654 67068 67620 68040 71415 71442 74060 74520 76545 77763 78246 78732 79380 81144 83835 85698 86940 87480 88872 91287 91854 95220 95256 98415 99981 100602 101430 102060 103684 104328 107163 111090 111780 114264 117369 119070 121716 122472 128547 129605 130410 131220 133308 134136 135240 137781 142830 142884 148120 150903 152145 153090 155526 156492 157464 158760 166635 167670 171396 173880 178605 182574 183708 190440 195615 196830 199962 201204 202860 204120 207368 214245 214326 222180 223560 229635 233289 234738 238140 243432 251505 257094 259210 260820 262440 266616 273861 275562 285660 285768 299943 301806 304290 306180 311052 312984 321489 333270 335340 342792 352107 357210 365148 367416 385641 388815 391230 393660 399924 402408 405720 428490 428652 444360 452709 456435 459270 466578 469476 476280 499905 503010 514188 518420 521640 535815 547722 551124 571320 586845 599886 603612 608580 612360 622104 642735 642978 666540 670680 688905 699867 704214 714420 730296 754515 771282 777630 782460 787320 799848 821583 856980 857304 899829 905418 912870 918540 933156 938952 964467 999810 1006020 1028376 1036840 1056321 1071630 1095444 1102248 1156923 1166445 1173690 1199772 1207224 1217160 1285470 1285956 1333080 1369305 1377810 1399734 1408428 1428840 1499715 1509030 1542564 1555260 1564920 1607445 1643166 1713960 1760535 1799658 1810836 1825740 1837080 1866312 1928205 1928934 1999620 2012040 2099601 2112642 2143260 2190888 2263545 2313846 2332890 2347380 2399544 2464749 2570940 2571912 2699487 2738610 2755620 2799468 2816856 2999430 3018060 3085128 3110520 3168963 3214890 3286332 3470769 3499335 3521070 3599316 3621672 3651480 3856410 3857868 3999240 4107915 4199202 4225284 4286520 4499145 4527090 4627692 4665780 4694760 4822335 4929498 5141880 5281605 5398974 5477220 5511240 5598936 5784615 5998860 6036120 6298803 6337926 6429780 6572664 6941538 6998670 7042140 7198632 7394247 7712820 7715736 8098461 8215830 8398404 8450568 8998290 9054180 9255384 9331560 9644670 9858996 10412307 10498005 10563210 10797948 10954440 11569230 11997720 12323745 12597606 12675852 12859560 13497435 13883076 13997340 14084280 14788494 15425640 15844815 16196922 16431660 16796808 17353845 17996580 18108360 18896409 19289340 19717992 20824614 20996010 21126420 21595896 22182741 23138460 24295383 24647490 25195212 25351704 26994870 27766152 27994680 29576988 31494015 31689630 32393844 32863320 34707690 35993160 36971235 37792818 38578680 40492305 41649228 41992020 42252840 44365482 46276920 48590766 49294980 50390424 52061535 53989740 56689227 59153976 62988030 63379260 64787688 69415380 72886149 73942470 75585636 80984610 83298456 83984040 88730964 94482045 97181532 98589960 104123070 107979480 110913705 113378454 121476915 125976060 126758520 138830760 145772298 147884940 151171272 161969220 170067681 177461928 188964090 194363064 208246140 221827410 226756908 242953830 251952120 283446135 291544596 295769880 323938440 340135362 364430745 377928180 416492280 443654820 453513816 485907660 510203043 566892270 583089192 680270724 728861490 755856360 850338405 887309640 971815320 1020406086 1133784540 1360541448 1457722980 1700676810 2040812172 2267569080 2551015215 2915445960 3401353620 4081624344 5102030430 6802707240 10204060860 20408121720
- Sum of all divisors σ(n): 83756340360
- Sum of proper divisors (its aliquot sum) s(n): 63348218640
- 20408121720 is an abundant number, because the sum of its proper divisors (63348218640) is greater than itself. Its abundance is 42940096920
Bases of 20408121720
- Binary: 100110000000110101100111001011110002
- Hexadecimal: 0x4C06B3978
- Base-36: 9DIGVI0
Squares and roots of 20408121720
- 20408121720 squared (204081217202) is 416491432138335758400
- 20408121720 cubed (204081217203) is 8499807842416276035655712448000
-
The
square root of 20408121720 is 142856.9974484975 -
The
cube root of 20408121720 is 2732.7569781535
Scales and comparisons
How big is 20408121720?- 20,408,121,720 seconds is equal to 648 years, 47 weeks, 4 days, 2 hours, 42 minutes.
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To count from 1 to 20,408,121,720 would take you about one thousand, two hundred ninety-seven 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 20408121720 cubic inches would be around 227.7 feet tall.
Recreational maths with 20408121720
- 20408121720 backwards is 02712180402
- 20408121720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20408121720's digits is 27
- More coming soon!
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The information we have on file for 20408121720 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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