9420138

Names of 9420138

• Cardinal: 9420138 can be written as Nine million, four hundred twenty thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 9.420138 × 10⁶

Factors of 9420138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 96

Divisors of 9420138

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 71 78 81 91 117 126 142 162 182 189 213 234 243 273 351 378 426 486 497 546 567 639 702 729 819 923 994 1053 1134 1278 1458 1491 1638 1701 1846 1917 2106 2457 2769 2982 3159 3402 3834 4473 4914 5103 5538 5751 6318 6461 7371 8307 8946 9477 10206 11502 12922 13419 14742 16614 17253 18954 19383 22113 24921 26838 34506 38766 40257 44226 49842 51759 58149 66339 74763 80514 103518 116298 120771 132678 149526 174447 224289 241542 348894 362313 448578 523341 672867 724626 1046682 1345734 1570023 3140046 4710069 9420138
• Sum of all divisors σ(n): 26441856
• Sum of proper divisors (its aliquot sum) s(n): 17021718
• 9420138 is an abundant number, because the sum of its proper divisors (17021718) is greater than itself. Its abundance is 7601580

Bases of 9420138

• Binary: 100011111011110101101010₂
• Hexadecimal: 0x8FBD6A
• Base-36: 5LWMI

Squares and roots of 9420138

• 9420138 squared (9420138²) is 88738999939044
• 9420138 cubed (9420138³) is 835933625407786068072
• The square root of 9420138 is 3069.2243319771
• The cube root of 9420138 is 211.1960323379

Scales and comparisons

• 9,420,138 seconds is equal to 15 weeks, 4 days, 42 minutes, 18 seconds.
• To count from 1 to 9,420,138 would take you about twenty-three weeks!

  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 9420138 cubic inches would be around 17.6 feet tall.

Recreational maths with 9420138

• 9420138 backwards is 8310249
• 9420138 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 9420138's digits is 27
• More coming soon!