140193018

Names of 140193018

• Cardinal: 140193018 can be written as One hundred forty million, one hundred ninety-three thousand and eighteen.

Scientific notation

• Scientific notation: 1.40193018 × 10⁸

Factors of 140193018

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 41

Divisors of 140193018

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 29 42 49 54 58 63 81 87 98 126 147 162 174 189 203 243 261 294 343 378 406 441 486 522 567 609 686 783 841 882 1029 1134 1218 1323 1421 1566 1682 1701 1827 2058 2349 2523 2646 2842 3087 3402 3654 3969 4263 4698 5046 5481 5887 6174 7047 7569 7938 8526 9261 9947 10962 11774 11907 12789 14094 15138 16443 17661 18522 19894 22707 23814 25578 27783 29841 32886 35322 38367 41209 45414 49329 52983 55566 59682 68121 76734 82418 83349 89523 98658 105966 115101 123627 136242 158949 166698 179046 204363 230202 247254 268569 288463 317898 345303 370881 408726 476847 537138 576926 690606 741762 805707 865389 953694 1112643 1430541 1611414 1730778 2225286 2417121 2596167 2861082 3337929 4834242 5192334 6675858 7788501 10013787 15577002 20027574 23365503 46731006 70096509 140193018
• Sum of all divisors σ(n): 380452800
• Sum of proper divisors (its aliquot sum) s(n): 240259782
• 140193018 is an abundant number, because the sum of its proper divisors (240259782) is greater than itself. Its abundance is 100066764

Bases of 140193018

• Binary: 1000010110110010110011111010₂
• Hexadecimal: 0x85B2CFA
• Base-36: 2BGTMI

Squares and roots of 140193018

• 140193018 squared (140193018²) is 19654082295948324
• 140193018 cubed (140193018³) is 2755365113089364713601832
• The square root of 140193018 is 11840.3132559911
• The cube root of 140193018 is 519.4879303233

Scales and comparisons

• 140,193,018 seconds is equal to 4 years, 23 weeks, 5 days, 14 hours, 30 minutes, 18 seconds.
• To count from 1 to 140,193,018 would take you about six 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 140193018 cubic inches would be around 43.3 feet tall.

Recreational maths with 140193018

• 140193018 backwards is 810391041
• 140193018 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 140193018's digits is 27
• More coming soon!