1621227136

Names of 1621227136

• Cardinal: 1621227136 can be written as One billion, six hundred twenty-one million, two hundred twenty-seven thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.621227136 × 10⁹

Factors of 1621227136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 358

Divisors of 1621227136

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 16 19 29 32 38 58 64 76 116 127 128 152 181 232 254 304 362 464 508 551 608 724 928 1016 1102 1216 1448 1856 2032 2204 2413 2432 2896 3439 3683 3712 4064 4408 4826 5249 5792 6878 7366 8128 8816 9652 10498 11584 13756 14732 16256 17632 19304 20996 22987 23168 27512 29464 35264 38608 41992 45974 55024 58928 69977 70528 77216 83984 91948 99731 110048 117856 139954 154432 167968 183896 199462 220096 235712 279908 308864 335936 367792 398924 436753 440192 471424 559816 666623 671872 735584 797848 873506 1119632 1333246 1471168 1595696 1747012 2239264 2666492 2942336 3191392 3494024 4478528 5332984 6382784 6988048 8957056 10665968 12665837 12765568 13976096 21331936 25331674 27952192 42663872 50663348 55904384 85327744 101326696 202653392 405306784 810613568 1621227136
• Sum of all divisors σ(n): 3564288000
• Sum of proper divisors (its aliquot sum) s(n): 1943060864
• 1621227136 is an abundant number, because the sum of its proper divisors (1943060864) is greater than itself. Its abundance is 321833728

Bases of 1621227136

• Binary: 1100000101000011111011010000000₂
• Hexadecimal: 0x60A1F680
• Base-36: QT8IV4

Squares and roots of 1621227136

• 1621227136 squared (1621227136²) is 2628377426502762496
• 1621227136 cubed (1621227136³) is 4261196807496124137478291456
• The square root of 1621227136 is 40264.4649287681
• The cube root of 1621227136 is 1174.7567653453

Scales and comparisons

• 1,621,227,136 seconds is equal to 51 years, 28 weeks, 4 days, 4 hours, 52 minutes, 16 seconds.
• To count from 1 to 1,621,227,136 would take you about one hundred three 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 1621227136 cubic inches would be around 97.9 feet tall.

Recreational maths with 1621227136

• 1621227136 backwards is 6317221261
• The number of decimal digits it has is: 10
• The sum of 1621227136's digits is 31
• More coming soon!