72453318720

Names of 72453318720

• Cardinal: 72453318720 can be written as Seventy-two billion, four hundred fifty-three million, three hundred eighteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 7.245331872 × 10¹⁰

Factors of 72453318720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 75472217

Divisors of 72453318720

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 75472207 150944414 226416621 301888828 377361035 452833242 603777656 754722070 905666484 1132083105 1207555312 1509444140 1811332968 2264166210 2415110624 3018888280 3622665936 4528332420 4830221248 6037776560 7245331872 9056664840 12075553120 14490663744 18113329680 24151106240 36226659360 72453318720
• Sum of all divisors σ(n): 230039289984
• Sum of proper divisors (its aliquot sum) s(n): 157585971264
• 72453318720 is an abundant number, because the sum of its proper divisors (157585971264) is greater than itself. Its abundance is 85132652544

Bases of 72453318720

• Binary: 1000011011110100011011110100001000000₂
• Hexadecimal: 0x10DE8DE840
• Base-36: XA8U2IO

Squares and roots of 72453318720

• 72453318720 squared (72453318720²) is 5249483393541902438400
• 72453318720 cubed (72453318720³) is 380342493427638647044540366848000
• The square root of 72453318720 is 269171.5414377977
• The cube root of 72453318720 is 4168.8803209299

Scales and comparisons

• 72,453,318,720 seconds is equal to 2,303 years, 41 weeks, 1 day, 1 hour, 52 minutes.
• To count from 1 to 72,453,318,720 would take you about four thousand, six 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 72453318720 cubic inches would be around 347.4 feet tall.

Recreational maths with 72453318720

• 72453318720 backwards is 02781335427
• The number of decimal digits it has is: 11
• The sum of 72453318720's digits is 42
• More coming soon!