140138910

Names of 140138910

• Cardinal: 140138910 can be written as One hundred forty million, one hundred thirty-eight thousand, nine hundred ten.

Scientific notation

• Scientific notation: 1.4013891 × 10⁸

Factors of 140138910

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5622

Divisors of 140138910

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 31 45 54 62 81 90 93 135 155 162 186 270 279 310 405 465 558 810 837 930 1395 1674 2511 2790 4185 5022 5581 8370 11162 12555 16743 25110 27905 33486 50229 55810 83715 100458 150687 167430 173011 251145 301374 346022 452061 502290 519033 753435 865055 904122 1038066 1506870 1557099 1730110 2260305 2595165 3114198 4520610 4671297 5190330 7785495 9342594 14013891 15570990 23356485 28027782 46712970 70069455 140138910
• Sum of all divisors σ(n): 389043072
• Sum of proper divisors (its aliquot sum) s(n): 248904162
• 140138910 is an abundant number, because the sum of its proper divisors (248904162) is greater than itself. Its abundance is 108765252

Bases of 140138910

• Binary: 1000010110100101100110011110₂
• Hexadecimal: 0x85A599E
• Base-36: 2BFNVI

Squares and roots of 140138910

• 140138910 squared (140138910²) is 19638914095988100
• 140138910 cubed (140138910³) is 2752176014995407706971000
• The square root of 140138910 is 11838.0281297183
• The cube root of 140138910 is 519.4210889777

Scales and comparisons

• 140,138,910 seconds is equal to 4 years, 23 weeks, 4 days, 23 hours, 28 minutes, 30 seconds.
• To count from 1 to 140,138,910 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 140138910 cubic inches would be around 43.3 feet tall.

Recreational maths with 140138910

• 140138910 backwards is 019831041
• 140138910 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 140138910's digits is 27
• More coming soon!