7129383140

Names of 7129383140

• Cardinal: 7129383140 can be written as Seven billion, one hundred twenty-nine million, three hundred eighty-three thousand, one hundred forty.

Scientific notation

• Scientific notation: 7.12938314 × 10⁹

Factors of 7129383140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1228

Divisors of 7129383140

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 506 1012 1187 1265 2374 2530 4748 5060 5935 11870 13057 23740 26114 27301 52228 54602 65285 109204 130570 136505 261140 273010 300311 546020 600622 1201244 1408969 1501555 2817938 3003110 5635876 6006220 7044845 14089690 15498659 28179380 30997318 32406287 61994636 64812574 77493295 129625148 154986590 162031435 309973180 324062870 356469157 648125740 712938314 1425876628 1782345785 3564691570 7129383140
• Sum of all divisors σ(n): 17057259072
• Sum of proper divisors (its aliquot sum) s(n): 9927875932
• 7129383140 is an abundant number, because the sum of its proper divisors (9927875932) is greater than itself. Its abundance is 2798492792

Bases of 7129383140

• Binary: 110101000111100011100000011100100₂
• Hexadecimal: 0x1A8F1C0E4
• Base-36: 39WNF8K

Squares and roots of 7129383140

• 7129383140 squared (7129383140²) is 50828103956916259600
• 7129383140 cubed (7129383140³) is 362373027388606067584103144000
• The square root of 7129383140 is 84435.6745694615
• The cube root of 7129383140 is 1924.6450699983

Scales and comparisons

• 7,129,383,140 seconds is equal to 226 years, 36 weeks, 12 minutes, 20 seconds.
• To count from 1 to 7,129,383,140 would take you about four hundred fifty-three 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 7129383140 cubic inches would be around 160.4 feet tall.

Recreational maths with 7129383140

• 7129383140 backwards is 0413839217
• The number of decimal digits it has is: 10
• The sum of 7129383140's digits is 38
• More coming soon!