20018855808

Names of 20018855808

• Cardinal: 20018855808 can be written as Twenty billion, eighteen million, eight hundred fifty-five thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.0018855808 × 10¹⁰

Factors of 20018855808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2566

Divisors of 20018855808

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 113 126 128 144 162 168 189 192 216 224 226 252 288 324 336 339 378 384 432 448 452 504 567 576 648 672 678 756 791 864 896 904 1008 1017 1134 1152 1296 1344 1356 1512 1582 1728 1808 2016 2034 2268 2373 2441 2592 2688 2712 3024 3051 3164 3456 3616 4032 4068 4536 4746 4882 5184 5424 6048 6102 6328 7119 7232 7323 8064 8136 9072 9153 9492 9764 10368 10848 12096 12204 12656 14238 14464 14646 16272 17087 18144 18306 18984 19528 21357 21696 21969 24192 24408 25312 28476 29292 32544 34174 36288 36612 37968 39056 42714 43392 43938 48816 50624 51261 56952 58584 64071 65088 65907 68348 72576 73224 75936 78112 85428 87876 97632 101248 102522 113904 117168 128142 130176 131814 136696 146448 151872 153783 156224 170856 175752 195264 197721 205044 227808 234336 256284 263628 273392 275833 292896 303744 307566 312448 341712 351504 390528 395442 410088 455616 461349 468672 512568 527256 546784 551666 585792 615132 683424 703008 790884 820176 827499 911232 922698 937344 1025136 1054512 1093568 1103332 1171584 1230264 1366848 1384047 1406016 1581768 1640352 1654998 1845396 1930831 2050272 2109024 2187136 2206664 2460528 2482497 2733696 2768094 2812032 3163536 3280704 3309996 3690792 3861662 4100544 4218048 4413328 4921056 4964994 5536188 5792493 6327072 6561408 6619992 7381584 7447491 7723324 8201088 8436096 8826656 9842112 9929988 11072376 11584986 12654144 13239984 14763168 14894982 15446648 17377479 17653312 19684224 19859976 22144752 22342473 23169972 25308288 26479968 29526336 29789964 30893296 34754958 35306624 39719952 44289504 44684946 46339944 52132437 52959936 59052672 59579928 61786592 69509916 79439904 88579008 89369892 92679888 104264874 105919872 119159856 123573184 139019832 156397311 158879808 177158016 178739784 185359776 208529748 238319712 247146368 278039664 312794622 317759616 357479568 370719552 417059496 476639424 556079328 625589244 714959136 741439104 834118992 953278848 1112158656 1251178488 1429918272 1668237984 2224317312 2502356976 2859836544 3336475968 5004713952 6672951936 10009427904 20018855808
• Sum of all divisors σ(n): 68717293920
• Sum of proper divisors (its aliquot sum) s(n): 48698438112
• 20018855808 is an abundant number, because the sum of its proper divisors (48698438112) is greater than itself. Its abundance is 28679582304

Bases of 20018855808

• Binary: 10010101001001101110111111110000000₂
• Hexadecimal: 0x4A9377F80
• Base-36: 972PK00

Squares and roots of 20018855808

• 20018855808 squared (20018855808²) is 400754587861495332864
• 20018855808 cubed (20018855808³) is 8022648308793742143869379674112
• The square root of 20018855808 is 141488.0058803573
• The cube root of 20018855808 is 2715.2703909453

Scales and comparisons

• 20,018,855,808 seconds is equal to 636 years, 27 weeks, 6 days, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 20,018,855,808 would take you about one thousand, two hundred seventy-three 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 20018855808 cubic inches would be around 226.3 feet tall.

Recreational maths with 20018855808

• 20018855808 backwards is 80855881002
• The number of decimal digits it has is: 11
• The sum of 20018855808's digits is 45
• More coming soon!