20728206720
20,728,206,720 is an even composite number composed of six prime numbers multiplied together.
20728206720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 20728206720:
27 × 33 × 5 × 13 × 53 × 1741
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 13 × 53 × 1741)See below for interesting mathematical facts about the number 20728206720 from the Numbermatics database.
Names of 20728206720
- Cardinal: 20728206720 can be written as Twenty billion, seven hundred twenty-eight million, two hundred six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.072820672 × 1010
Factors of 20728206720
Divisors of 20728206720
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 53 54 60 64 65 72 78 80 90 96 104 106 108 117 120 128 130 135 144 156 159 160 180 192 195 208 212 216 234 240 260 265 270 288 312 318 320 351 360 384 390 416 424 432 468 477 480 520 530 540 576 585 624 636 640 689 702 720 780 795 832 848 864 936 954 960 1040 1060 1080 1152 1170 1248 1272 1378 1404 1431 1440 1560 1590 1664 1696 1728 1741 1755 1872 1908 1920 2067 2080 2120 2160 2340 2385 2496 2544 2756 2808 2862 2880 3120 3180 3392 3445 3456 3482 3510 3744 3816 4134 4160 4240 4320 4680 4770 4992 5088 5223 5512 5616 5724 5760 6201 6240 6360 6784 6890 6964 7020 7155 7488 7632 8268 8320 8480 8640 8705 9360 9540 10176 10335 10446 11024 11232 11448 12402 12480 12720 13780 13928 14040 14310 14976 15264 15669 16536 16960 17280 17410 18603 18720 19080 20352 20670 20892 22048 22464 22633 22896 24804 24960 25440 26115 27560 27856 28080 28620 30528 31005 31338 33072 33920 34820 37206 37440 38160 41340 41784 44096 44928 45266 45792 47007 49608 50880 52230 55120 55712 56160 57240 61056 62010 62676 66144 67899 69640 74412 74880 76320 78345 82680 83568 88192 90532 91584 92273 93015 94014 99216 101760 104460 110240 111424 112320 113165 114480 124020 125352 132288 135798 139280 148824 152640 156690 165360 167136 181064 183168 184546 186030 188028 198432 203697 208920 220480 222848 224640 226330 228960 235035 248040 250704 264576 271596 276819 278560 297648 305280 313380 330720 334272 339495 362128 369092 372060 376056 396864 407394 417840 440960 452660 457920 461365 470070 496080 501408 543192 553638 557120 595296 611091 626760 661440 668544 678990 724256 738184 744120 752112 793728 814788 830457 835680 905320 915840 922730 940140 992160 1002816 1018485 1086384 1107276 1114240 1190592 1199549 1222182 1253520 1322880 1357980 1384095 1448512 1476368 1488240 1504224 1629576 1660914 1671360 1810640 1845460 1880280 1984320 2005632 2036970 2172768 2214552 2381184 2399098 2444364 2491371 2507040 2715960 2768190 2897024 2952736 2976480 3008448 3055455 3259152 3321828 3342720 3598647 3621280 3690920 3760560 3968640 4073940 4152285 4345536 4429104 4798196 4888728 4982742 5014080 5431920 5536380 5905472 5952960 5997745 6016896 6110910 6518304 6643656 7197294 7242560 7381840 7521120 8147880 8304570 8691072 8858208 9596392 9777456 9965484 10028160 10795941 10863840 11072760 11810944 11905920 11995490 12221820 12456855 13036608 13287312 14394588 14485120 14763680 15042240 16295760 16609140 17716416 17993235 19192784 19554912 19930968 21591882 21727680 22145520 23990980 24443640 24913710 26073216 26574624 28789176 29527360 30084480 32387823 32591520 33218280 35432832 35986470 38385568 39109824 39861936 43183764 43455360 44291040 47981960 48887280 49827420 53149248 53979705 57578352 59054720 64775646 65183040 66436560 71972940 76771136 78219648 79723872 86367528 88582080 95963920 97774560 99654840 106298496 107959410 115156704 129551292 130366080 132873120 143945880 153542272 159447744 161939115 172735056 177164160 191927840 195549120 199309680 215918820 230313408 259102584 265746240 287891760 318895488 323878230 345470112 383855680 391098240 398619360 431837640 460626816 518205168 531492480 575783520 647756460 690940224 767711360 797238720 863675280 1036410336 1151567040 1295512920 1381880448 1594477440 1727350560 2072820672 2303134080 2591025840 3454701120 4145641344 5182051680 6909402240 10364103360 20728206720
- Sum of all divisors σ(n): 80597462400
- Sum of proper divisors (its aliquot sum) s(n): 59869255680
- 20728206720 is an abundant number, because the sum of its proper divisors (59869255680) is greater than itself. Its abundance is 39141048960
Bases of 20728206720
- Binary: 100110100110111111101010101100000002
- Hexadecimal: 0x4D37F5580
- Base-36: 9IT1EO0
Squares and roots of 20728206720
- 20728206720 squared (207282067202) is 429658553827053158400
- 20728206720 cubed (207282067203) is 8906051322743404995744104448000
-
The
square root of 20728206720 is 143972.9374570097 -
The
cube root of 20728206720 is 2746.9699615857
Scales and comparisons
How big is 20728206720?- 20,728,206,720 seconds is equal to 659 years, 4 weeks, 5 days, 19 hours, 12 minutes.
-
To count from 1 to 20,728,206,720 would take you about one thousand, three hundred eighteen 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 20728206720 cubic inches would be around 228.9 feet tall.
Recreational maths with 20728206720
- 20728206720 backwards is 02760282702
- 20728206720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20728206720's digits is 36
- More coming soon!
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