7142138406

Names of 7142138406

• Cardinal: 7142138406 can be written as Seven billion, one hundred forty-two million, one hundred thirty-eight thousand, four hundred six.

Scientific notation

• Scientific notation: 7.142138406 × 10⁹

Factors of 7142138406

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 54662

Divisors of 7142138406

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 13 18 26 39 43 78 86 117 129 169 234 258 338 387 507 559 774 1014 1118 1521 1677 3042 3354 5031 7267 10062 14534 21801 43602 54601 65403 109202 130806 163803 327606 491409 709813 982818 1419626 2129439 2347843 4258878 4695686 6388317 7043529 9227569 12776634 14087058 18455138 21130587 27682707 30521959 42261174 55365414 61043918 83048121 91565877 166096242 183131754 274697631 396785467 549395262 793570934 1190356401 2380712802 3571069203 7142138406
• Sum of all divisors σ(n): 17146556856
• Sum of proper divisors (its aliquot sum) s(n): 10004418450
• 7142138406 is an abundant number, because the sum of its proper divisors (10004418450) is greater than itself. Its abundance is 2862280044

Bases of 7142138406

• Binary: 110101001101101000110001000100110₂
• Hexadecimal: 0x1A9B46226
• Base-36: 3A48T9I

Squares and roots of 7142138406

• 7142138406 squared (7142138406²) is 51010141010460220836
• 7142138406 cubed (7142138406³) is 364321487206283590968037027416
• The square root of 7142138406 is 84511.1732612913
• The cube root of 7142138406 is 1925.7921881223

Scales and comparisons

• 7,142,138,406 seconds is equal to 227 years, 5 weeks, 15 hours, 20 minutes, 6 seconds.
• To count from 1 to 7,142,138,406 would take you about four hundred fifty-four 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 7142138406 cubic inches would be around 160.5 feet tall.

Recreational maths with 7142138406

• 7142138406 backwards is 6048312417
• The number of decimal digits it has is: 10
• The sum of 7142138406's digits is 36
• More coming soon!