7980045390

Names of 7980045390

• Cardinal: 7980045390 can be written as Seven billion, nine hundred eighty million, forty-five thousand, three hundred ninety.

Scientific notation

• Scientific notation: 7.98004539 × 10⁹

Factors of 7980045390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1871

Divisors of 7980045390

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 90 173 346 397 519 794 865 1038 1191 1291 1557 1730 1985 2382 2582 2595 3114 3573 3873 3970 5190 5955 6455 7146 7746 7785 11619 11910 12910 15570 17865 19365 23238 35730 38730 58095 68681 116190 137362 206043 223343 343405 412086 446686 512527 618129 670029 686810 1025054 1030215 1116715 1236258 1340058 1537581 2010087 2060430 2233430 2562635 3075162 3090645 3350145 4020174 4612743 5125270 6181290 6700290 7687905 9225486 10050435 15375810 20100870 23063715 46127430 88667171 177334342 266001513 443335855 532003026 798004539 886671710 1330007565 1596009078 2660015130 3990022695 7980045390
• Sum of all divisors σ(n): 20936818656
• Sum of proper divisors (its aliquot sum) s(n): 12956773266
• 7980045390 is an abundant number, because the sum of its proper divisors (12956773266) is greater than itself. Its abundance is 4976727876

Bases of 7980045390

• Binary: 111011011101001011101010001001110₂
• Hexadecimal: 0x1DBA5D44E
• Base-36: 3NZ42FI

Squares and roots of 7980045390

• 7980045390 squared (7980045390²) is 63681124426460252100
• 7980045390 cubed (7980045390³) is 508178263409390528788842819000
• The square root of 7980045390 is 89331.0997917299
• The cube root of 7980045390 is 1998.3357313223

Scales and comparisons

• 7,980,045,390 seconds is equal to 253 years, 38 weeks, 3 days, 15 hours, 16 minutes, 30 seconds.
• To count from 1 to 7,980,045,390 would take you about five hundred seven 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 7980045390 cubic inches would be around 166.5 feet tall.

Recreational maths with 7980045390

• 7980045390 backwards is 0935400897
• 7980045390 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7980045390's digits is 45
• More coming soon!