42687449388

Names of 42687449388

• Cardinal: 42687449388 can be written as Forty-two billion, six hundred eighty-seven million, four hundred forty-nine thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 4.2687449388 × 10¹⁰

Factors of 42687449388

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 52

Divisors of 42687449388

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 47 54 81 94 108 141 162 188 243 282 324 423 486 564 729 846 972 1269 1458 1692 2187 2209 2538 2916 3807 4374 4418 5076 6627 7614 8748 8836 11421 13254 15228 19881 22842 26508 34263 39762 45684 59643 68526 79524 102789 103823 119286 137052 178929 205578 207646 238572 311469 357858 411156 415292 536787 622938 715716 934407 1073574 1245876 1610361 1868814 2147148 2803221 3220722 3737628 4831083 4879681 5606442 6441444 8409663 9662166 9759362 11212884 14639043 16819326 19324332 19518724 25228989 29278086 33638652 43917129 50457978 58556172 75686967 87834258 100915956 131751387 151373934 175668516 227060901 263502774 302747868 395254161 454121802 527005548 790508322 908243604 1185762483 1581016644 2371524966 3557287449 4743049932 7114574898 10671862347 14229149796 21343724694 42687449388
• Sum of all divisors σ(n): 114473072560
• Sum of proper divisors (its aliquot sum) s(n): 71785623172
• 42687449388 is an abundant number, because the sum of its proper divisors (71785623172) is greater than itself. Its abundance is 29098173784

Bases of 42687449388

• Binary: 100111110000010111101100100100101100₂
• Hexadecimal: 0x9F05EC92C
• Base-36: JLZ06R0

Squares and roots of 42687449388

• 42687449388 squared (42687449388²) is 1822218335253061574544
• 42687449388 cubed (42687449388³) is 77785852960000682135394589179072
• The square root of 42687449388 is 206609.4126316613
• The cube root of 42687449388 is 3494.8891224567

Scales and comparisons

• 42,687,449,388 seconds is equal to 1,357 years, 17 weeks, 16 hours, 49 minutes, 48 seconds.
• To count from 1 to 42,687,449,388 would take you about two thousand, seven hundred fourteen 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 42687449388 cubic inches would be around 291.2 feet tall.

Recreational maths with 42687449388

• 42687449388 backwards is 88394478624
• The number of decimal digits it has is: 11
• The sum of 42687449388's digits is 63
• More coming soon!