20720728800

Names of 20720728800

• Cardinal: 20720728800 can be written as Twenty billion, seven hundred twenty million, seven hundred twenty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.07207288 × 10¹⁰

Factors of 20720728800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 873

Divisors of 20720728800

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 27 30 32 34 36 40 45 48 50 51 54 60 68 72 73 75 80 85 90 96 100 102 108 120 135 136 144 146 150 153 160 170 180 200 204 216 219 225 240 255 270 272 288 292 300 306 340 360 365 400 408 425 432 438 450 459 480 510 540 544 584 600 612 657 675 680 720 730 765 773 800 816 850 864 876 900 918 1020 1080 1095 1168 1200 1224 1241 1275 1314 1350 1360 1440 1460 1530 1546 1632 1700 1752 1800 1825 1836 1971 2040 2160 2190 2295 2319 2336 2400 2448 2482 2550 2628 2700 2720 2920 3060 3092 3285 3400 3504 3600 3650 3672 3723 3825 3865 3942 4080 4320 4380 4590 4638 4896 4964 5100 5256 5400 5475 5840 6120 6184 6205 6570 6800 6957 7008 7200 7300 7344 7446 7650 7730 7884 8160 8760 9180 9276 9855 9928 10200 10512 10800 10950 11169 11475 11595 11680 12240 12368 12410 13140 13141 13600 13914 14600 14688 14892 15300 15460 15768 16425 17520 18360 18552 18615 19325 19710 19856 20400 20871 21024 21600 21900 22338 22950 23190 24480 24736 24820 26280 26282 27828 29200 29784 30600 30920 31025 31536 32850 33507 34785 35040 36720 37104 37230 38650 39420 39423 39712 40800 41742 43800 44676 45900 46380 49275 49640 52560 52564 55656 55845 56429 57975 58400 59568 61200 61840 62050 63072 65700 65705 67014 69570 73440 74208 74460 77300 78840 78846 83484 87600 89352 91800 92760 93075 98550 99280 104355 105120 105128 111312 111690 112858 115950 118269 119136 122400 123680 124100 131400 131410 134028 139140 148920 154600 157680 157692 166968 167535 169287 173925 175200 178704 183600 185520 186150 197100 197115 198560 208710 210256 222624 223380 225716 231900 236538 248200 262800 262820 268056 278280 279225 282145 297840 309200 315360 315384 328525 333936 335070 338574 347850 354807 357408 367200 371040 372300 394200 394230 417420 420512 446760 451432 463800 473076 496400 507861 521775 525600 525640 536112 556560 558450 564290 591345 595680 618400 630768 657050 667872 670140 677148 695700 709614 744600 788400 788460 834840 837675 846435 893520 902864 927600 946152 959293 985575 992800 1015722 1043550 1051280 1072224 1113120 1116900 1128580 1182690 1261536 1314100 1340280 1354296 1391400 1410725 1419228 1489200 1523583 1576800 1576920 1669680 1675350 1692870 1774035 1787040 1805728 1855200 1892304 1918586 1971150 2031444 2087100 2102560 2233800 2257160 2365380 2539305 2628200 2680560 2708592 2782800 2821450 2838456 2877879 2956725 2978400 3047166 3153840 3339360 3350700 3385740 3548070 3784608 3837172 3942300 4062888 4174200 4232175 4467600 4514320 4730760 4796465 5078610 5256400 5361120 5417184 5565600 5642900 5676912 5755758 5913450 6094332 6307680 6701400 6771480 7096140 7617915 7674344 7884600 8125776 8348400 8464350 8633637 8870175 8935200 9028640 9461520 9592930 10157220 10512800 11285800 11353824 11511516 11826900 12188664 12696525 13402800 13542960 14192280 14389395 15235830 15348688 15769200 16251552 16696800 16928700 17267274 17740350 18923040 19185860 20314440 22571600 23023032 23653800 23982325 24377328 25393050 25900911 26805600 27085920 28384560 28778790 30471660 30697376 31538400 33857400 34534548 35480700 38089575 38371720 40628880 43168185 45143200 46046064 47307600 47964650 48754656 50786100 51801822 56769120 57557580 60943320 67714800 69069096 70961400 71946975 76179150 76743440 81257760 86336370 92092128 94615200 95929300 101572200 103603644 115115160 121886640 129504555 135429600 138138192 141922800 143893950 152358300 153486880 172672740 191858600 203144400 207207288 215840925 230230320 243773280 259009110 276276384 283845600 287787900 304716600 345345480 383717200 406288800 414414576 431681850 460460640 518018220 575575800 609433200 647522775 690690960 767434400 828829152 863363700 1036036440 1151151600 1218866400 1295045550 1381381920 1726727400 2072072880 2302303200 2590091100 3453454800 4144145760 5180182200 6906909600 10360364400 20720728800
• Sum of all divisors σ(n): 80539220160
• Sum of proper divisors (its aliquot sum) s(n): 59818491360
• 20720728800 is an abundant number, because the sum of its proper divisors (59818491360) is greater than itself. Its abundance is 39097762560

Bases of 20720728800

• Binary: 10011010011000011010011101011100000₂
• Hexadecimal: 0x4D30D3AE0
• Base-36: 9IOL4O0

Squares and roots of 20720728800

• 20720728800 squared (20720728800²) is 429348602003149440000
• 20720728800 cubed (20720728800³) is 8896415942766396292111872000000
• The square root of 20720728800 is 143946.9652337277
• The cube root of 20720728800 is 2746.6395890229

Scales and comparisons

• 20,720,728,800 seconds is equal to 658 years, 44 weeks, 3 days, 6 hours.
• To count from 1 to 20,720,728,800 would take you about one thousand, three hundred seventeen 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 20720728800 cubic inches would be around 228.9 feet tall.

Recreational maths with 20720728800

• 20720728800 backwards is 00882702702
• 20720728800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20720728800's digits is 36
• More coming soon!