18123476544

Names of 18123476544

• Cardinal: 18123476544 can be written as Eighteen billion, one hundred twenty-three million, four hundred seventy-six thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.8123476544 × 10¹⁰

Factors of 18123476544

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 14392

Divisors of 18123476544

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 729 864 972 1296 1458 1728 1944 2187 2592 2916 3888 4374 5184 5832 6561 7776 8748 11664 13122 14387 15552 17496 19683 23328 26244 28774 34992 39366 43161 46656 52488 57548 69984 78732 86322 104976 115096 129483 139968 157464 172644 209952 230192 258966 314928 345288 388449 419904 460384 517932 629856 690576 776898 920768 1035864 1165347 1259712 1381152 1553796 2071728 2330694 2762304 3107592 3496041 4143456 4661388 6215184 6992082 8286912 9322776 10488123 12430368 13984164 18645552 20976246 24860736 27968328 31464369 37291104 41952492 55936656 62928738 74582208 83904984 94393107 111873312 125857476 167809968 188786214 223746624 251714952 283179321 335619936 377572428 503429904 566358642 671239872 755144856 1006859808 1132717284 1510289712 2013719616 2265434568 3020579424 4530869136 6041158848 9061738272 18123476544
• Sum of all divisors σ(n): 53948496624
• Sum of proper divisors (its aliquot sum) s(n): 35825020080
• 18123476544 is an abundant number, because the sum of its proper divisors (35825020080) is greater than itself. Its abundance is 17701543536

Bases of 18123476544

• Binary: 10000111000001111100100111001000000₂
• Hexadecimal: 0x4383E4E40
• Base-36: 8BQ9000

Squares and roots of 18123476544

• 18123476544 squared (18123476544²) is 328460402040918183936
• 18123476544 cubed (18123476544³) is 5952844392021390434787173597184
• The square root of 18123476544 is 134623.4620859233
• The cube root of 18123476544 is 2626.7203377709

Scales and comparisons

• 18,123,476,544 seconds is equal to 576 years, 14 weeks, 11 hours, 2 minutes, 24 seconds.
• To count from 1 to 18,123,476,544 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 18123476544 cubic inches would be around 218.9 feet tall.

Recreational maths with 18123476544

• 18123476544 backwards is 44567432181
• The number of decimal digits it has is: 11
• The sum of 18123476544's digits is 45
• More coming soon!