18531202816

Names of 18531202816

• Cardinal: 18531202816 can be written as Eighteen billion, five hundred thirty-one million, two hundred two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8531202816 × 10¹⁰

Factors of 18531202816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 337

Divisors of 18531202816

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 31 32 38 56 62 64 76 97 112 124 128 133 152 181 194 217 224 248 256 266 304 362 388 434 448 496 532 589 608 679 724 776 868 896 992 1064 1178 1216 1267 1358 1448 1552 1736 1792 1843 1984 2128 2356 2432 2534 2716 2896 3007 3104 3439 3472 3686 3968 4123 4256 4712 4864 5068 5432 5611 5792 6014 6208 6878 6944 7372 7936 8246 8512 9424 10136 10864 11222 11584 12028 12416 12901 13756 13888 14744 16492 17024 17557 18848 20272 21049 21728 22444 23168 24056 24073 24832 25802 27512 27776 29488 32984 34048 35114 37696 39277 40544 42098 43456 44888 46336 48112 48146 51604 55024 55552 57133 58976 65968 70228 75392 78554 81088 84196 86912 89776 96224 96292 103208 106609 110048 114266 117952 122899 131936 140456 150784 157108 162176 168392 173824 179552 192448 192584 206416 213218 220096 228532 235904 245798 263872 280912 314216 324352 333583 336784 359104 384896 385168 399931 412832 426436 440192 457064 471808 491596 527744 544267 561824 628432 667166 673568 718208 746263 769792 770336 799862 825664 852872 880384 914128 983192 1055488 1088534 1123648 1256864 1334332 1347136 1436416 1492526 1540672 1599724 1651328 1705744 1828256 1966384 2177068 2247296 2335081 2513728 2668664 2694272 2985052 3081344 3199448 3302656 3411488 3656512 3809869 3932768 4354136 4494592 4670162 5027456 5337328 5388544 5970104 6162688 6398896 6822976 7313024 7619738 7865536 8708272 9340324 10054912 10341073 10674656 11940208 12797792 13645952 14626048 15239476 15731072 17416544 18680648 20682146 21349312 23880416 25595584 27291904 30478952 31462144 34833088 37361296 41364292 42698624 47760832 51191168 60957904 69666176 72387511 74722592 82728584 85397248 95521664 102382336 121915808 139332352 144775022 149445184 165457168 191043328 243831616 289550044 298890368 330914336 487663232 579100088 597780736 661828672 975326464 1158200176 1323657344 2316400352 2647314688 4632800704 9265601408 18531202816
• Sum of all divisors σ(n): 46664683520
• Sum of proper divisors (its aliquot sum) s(n): 28133480704
• 18531202816 is an abundant number, because the sum of its proper divisors (28133480704) is greater than itself. Its abundance is 9602277888

Bases of 18531202816

• Binary: 10001010000100010111011011100000000₂
• Hexadecimal: 0x4508BB700
• Base-36: 8IGZZLS

Squares and roots of 18531202816

• 18531202816 squared (18531202816²) is 343405477807726329856
• 18531202816 cubed (18531202816³) is 6363716557380363670384852074496
• The square root of 18531202816 is 136129.3605949869
• The cube root of 18531202816 is 2646.2723340989

Scales and comparisons

• 18,531,202,816 seconds is equal to 589 years, 12 weeks, 1 day, 12 hours, 20 minutes, 16 seconds.
• To count from 1 to 18,531,202,816 would take you about one thousand, one hundred seventy-eight 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 18531202816 cubic inches would be around 220.5 feet tall.

Recreational maths with 18531202816

• 18531202816 backwards is 61820213581
• The number of decimal digits it has is: 11
• The sum of 18531202816's digits is 37
• More coming soon!