18400389952

Names of 18400389952

• Cardinal: 18400389952 can be written as Eighteen billion, four hundred million, three hundred eighty-nine thousand, nine hundred fifty-two.

Scientific notation

• Scientific notation: 1.8400389952 × 10¹⁰

Factors of 18400389952

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2294

Divisors of 18400389952

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 131 157 224 262 314 448 524 628 917 1048 1099 1256 1834 1997 2096 2198 2512 3668 3994 4192 4396 5024 7336 7988 8384 8792 10048 13979 14672 15976 17584 20567 27958 29344 31952 35168 41134 55916 58688 63904 70336 82268 111832 127808 143969 164536 223664 261607 287938 313529 329072 447328 523214 575876 627058 658144 894656 1046428 1151752 1254116 1316288 1831249 2092856 2194703 2303504 2508232 3662498 4185712 4389406 4607008 5016464 7324996 8371424 8778812 9214016 10032928 14649992 16742848 17557624 20065856 29299984 35115248 41072299 58599968 70230496 82144598 117199936 140460992 164289196 287506093 328578392 575012186 657156784 1150024372 1314313568 2300048744 2628627136 4600097488 9200194976 18400389952
• Sum of all divisors σ(n): 42337012608
• Sum of proper divisors (its aliquot sum) s(n): 23936622656
• 18400389952 is an abundant number, because the sum of its proper divisors (23936622656) is greater than itself. Its abundance is 5536232704

Bases of 18400389952

• Binary: 10001001000101111111010101101000000₂
• Hexadecimal: 0x448BFAB40
• Base-36: 8GB47R4

Squares and roots of 18400389952

• 18400389952 squared (18400389952²) is 338574350385662562304
• 18400389952 cubed (18400389952³) is 6229900074841272736281095569408
• The square root of 18400389952 is 135648.0370370319
• The cube root of 18400389952 is 2640.0308934249

Scales and comparisons

• 18,400,389,952 seconds is equal to 585 years, 3 weeks, 6 days, 11 hours, 25 minutes, 52 seconds.
• To count from 1 to 18,400,389,952 would take you about one thousand, one hundred seventy 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 18400389952 cubic inches would be around 220 feet tall.

Recreational maths with 18400389952

• 18400389952 backwards is 25998300481
• The number of decimal digits it has is: 11
• The sum of 18400389952's digits is 49
• More coming soon!