20866272720

Names of 20866272720

• Cardinal: 20866272720 can be written as Twenty billion, eight hundred sixty-six million, two hundred seventy-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.086627272 × 10¹⁰

Factors of 20866272720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 556

Divisors of 20866272720

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 127 137 152 190 228 240 254 263 274 285 304 380 381 411 456 508 526 548 570 635 685 760 762 789 822 912 1016 1052 1096 1140 1270 1315 1370 1520 1524 1578 1644 1905 2032 2055 2104 2192 2280 2413 2540 2603 2630 2740 3048 3156 3288 3810 3945 4110 4208 4560 4826 4997 5080 5206 5260 5480 6096 6312 6576 7239 7620 7809 7890 8220 9652 9994 10160 10412 10520 10960 12065 12624 13015 14478 14991 15240 15618 15780 16440 17399 19304 19988 20824 21040 24130 24985 26030 28956 29982 30480 31236 31560 32880 33401 34798 36031 36195 38608 39045 39976 41648 48260 49970 52060 52197 57912 59964 62472 63120 66802 69596 72062 72390 74955 78090 79952 86995 96520 99940 100203 104120 104394 108093 115824 119928 124944 133604 139192 144124 144780 149910 156180 167005 173990 180155 193040 199880 200406 208240 208788 216186 239856 260985 267208 278384 288248 289560 299820 312360 330581 334010 347980 360310 399760 400812 417576 432372 501015 521970 534416 540465 576496 579120 599640 624720 634619 661162 668020 684589 695960 720620 801624 835152 864744 991743 1002030 1043940 1080930 1199280 1269238 1322324 1336040 1369178 1391920 1441240 1603248 1652905 1729488 1903857 1983486 2004060 2053767 2087880 2161860 2538476 2644648 2672080 2738356 2882480 3173095 3305810 3422945 3807714 3966972 4008120 4107534 4175760 4323720 4575937 4958715 5076952 5289296 5476712 6346190 6611620 6845890 7615428 7933944 8016240 8215068 8647440 9151874 9519285 9917430 10153904 10268835 10953424 12692380 13223240 13691780 13727811 15230856 15867888 16430136 18303748 19038570 19834860 20537670 22879685 25384760 26446480 27383560 27455622 30461712 32860272 36607496 38077140 39669720 41075340 45759370 50769520 54767120 54911244 68639055 73214992 76154280 79339440 82150680 86942803 91518740 109822488 137278110 152308560 164301360 173885606 183037480 219644976 260828409 274556220 347771212 366074960 434714015 521656818 549112440 695542424 869428030 1043313636 1098224880 1304142045 1391084848 1738856060 2086627272 2608284090 3477712120 4173254544 5216568180 6955424240 10433136360 20866272720
• Sum of all divisors σ(n): 69389844480
• Sum of proper divisors (its aliquot sum) s(n): 48523571760
• 20866272720 is an abundant number, because the sum of its proper divisors (48523571760) is greater than itself. Its abundance is 27657299040

Bases of 20866272720

• Binary: 10011011011101110100000110111010000₂
• Hexadecimal: 0x4DBBA0DD0
• Base-36: 9L38N2O

Squares and roots of 20866272720

• 20866272720 squared (20866272720²) is 435401337225416198400
• 20866272720 cubed (20866272720³) is 9085203045198222511320027648000
• The square root of 20866272720 is 144451.6276128449
• The cube root of 20866272720 is 2753.0554565731

Scales and comparisons

• 20,866,272,720 seconds is equal to 663 years, 25 weeks, 18 hours, 52 minutes.
• To count from 1 to 20,866,272,720 would take you about one thousand, three hundred twenty-six 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 20866272720 cubic inches would be around 229.4 feet tall.

Recreational maths with 20866272720

• 20866272720 backwards is 02727266802
• The number of decimal digits it has is: 11
• The sum of 20866272720's digits is 42
• More coming soon!