18123488208

Names of 18123488208

• Cardinal: 18123488208 can be written as Eighteen billion, one hundred twenty-three million, four hundred eighty-eight thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.8123488208 × 10¹⁰

Factors of 18123488208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3392

Divisors of 18123488208

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 67 72 81 84 108 112 126 134 144 162 168 189 201 216 243 252 268 324 336 378 402 432 469 486 504 536 567 603 648 729 756 804 938 972 1008 1072 1134 1206 1296 1407 1458 1512 1608 1701 1809 1876 1944 2268 2412 2814 2916 3024 3216 3313 3402 3618 3752 3888 4221 4536 4824 5103 5427 5628 5832 6626 6804 7236 7504 8442 9072 9648 9939 10206 10854 11256 11664 12663 13252 13608 14472 16281 16884 19878 20412 21708 22512 23191 25326 26504 27216 28944 29817 32562 33768 37989 39756 40824 43416 46382 48843 50652 53008 59634 65124 67536 69573 75978 79512 81648 86832 89451 92764 97686 101304 113967 119268 130248 139146 151956 159024 178902 185528 195372 202608 208719 221971 227934 238536 260496 268353 278292 303912 341901 357804 371056 390744 417438 443942 455868 477072 536706 556584 607824 626157 665913 683802 715608 781488 805059 834876 887884 911736 1073412 1113168 1252314 1331826 1367604 1431216 1553797 1610118 1669752 1775768 1823472 1878471 1997739 2146824 2415177 2504628 2663652 2735208 3107594 3220236 3339504 3551536 3756942 3995478 4293648 4661391 4830354 5009256 5327304 5470416 5635413 5993217 6215188 6440472 7513884 7990956 9322782 9660708 10018512 10654608 11270826 11986434 12430376 12880944 13984173 15027768 15981912 16906239 17979651 18645564 19321416 22541652 23972868 24860752 27968346 30055536 31963824 33812478 35959302 37291128 38642832 41952519 45083304 47945736 53938953 55936692 67624956 71918604 74582256 83905038 90166608 95891472 107877906 111873384 125857557 135249912 143837208 161816859 167810076 215755812 223746768 251715114 270499824 287674416 323633718 335620152 377572671 431511624 503430228 647267436 671240304 755145342 863023248 1006860456 1132718013 1294534872 1510290684 2013720912 2265436026 2589069744 3020581368 4530872052 6041162736 9061744104 18123488208
• Sum of all divisors σ(n): 61084814528
• Sum of proper divisors (its aliquot sum) s(n): 42961326320
• 18123488208 is an abundant number, because the sum of its proper divisors (42961326320) is greater than itself. Its abundance is 24837838112

Bases of 18123488208

• Binary: 10000111000001111100111101111010000₂
• Hexadecimal: 0x4383E7BD0
• Base-36: 8BQ9900

Squares and roots of 18123488208

• 18123488208 squared (18123488208²) is 328460824825515051264
• 18123488208 cubed (18123488208³) is 5952855885515175689109619494912
• The square root of 18123488208 is 134623.5054067453
• The cube root of 18123488208 is 2626.7209012769

Scales and comparisons

• 18,123,488,208 seconds is equal to 576 years, 14 weeks, 14 hours, 16 minutes, 48 seconds.
• To count from 1 to 18,123,488,208 would take you about one thousand, one hundred fifty-two 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 18123488208 cubic inches would be around 218.9 feet tall.

Recreational maths with 18123488208

• 18123488208 backwards is 80288432181
• The number of decimal digits it has is: 11
• The sum of 18123488208's digits is 45
• More coming soon!