1421898678

Names of 1421898678

• Cardinal: 1421898678 can be written as One billion, four hundred twenty-one million, eight hundred ninety-eight thousand, six hundred seventy-eight.

Scientific notation

• Scientific notation: 1.421898678 × 10⁹

Factors of 1421898678

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6680

Divisors of 1421898678

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 27 37 54 74 109 111 218 222 327 333 654 666 981 999 1962 1998 2943 4033 5886 6529 8066 12099 13058 19587 24198 36297 39174 58761 72594 108891 117522 176283 217782 241573 352566 483146 711661 724719 1423322 1449438 2134983 2174157 4269966 4348314 6404949 6522471 12809898 13044942 19214847 26331457 38429694 52662914 78994371 157988742 236983113 473966226 710949339 1421898678
• Sum of all divisors σ(n): 3275448000
• Sum of proper divisors (its aliquot sum) s(n): 1853549322
• 1421898678 is an abundant number, because the sum of its proper divisors (1853549322) is greater than itself. Its abundance is 431650644

Bases of 1421898678

• Binary: 1010100110000000111001110110110₂
• Hexadecimal: 0x54C073B6
• Base-36: NIK81I

Squares and roots of 1421898678

• 1421898678 squared (1421898678²) is 2021795850498147684
• 1421898678 cubed (1421898678³) is 2874788847009201833328361752
• The square root of 1421898678 is 37708.0717884115
• The cube root of 1421898678 is 1124.4916031747

Scales and comparisons

• 1,421,898,678 seconds is equal to 45 years, 11 weeks, 3 hours, 51 minutes, 18 seconds.
• To count from 1 to 1,421,898,678 would take you about ninety 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 1421898678 cubic inches would be around 93.7 feet tall.

Recreational maths with 1421898678

• 1421898678 backwards is 8768981241
• 1421898678 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1421898678's digits is 54
• More coming soon!