72272978432

Names of 72272978432

• Cardinal: 72272978432 can be written as Seventy-two billion, two hundred seventy-two million, nine hundred seventy-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 7.2272978432 × 10¹⁰

Factors of 72272978432

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 111

Divisors of 72272978432

• Number of divisors d(n): 50
• Complete list of divisors:
  1 2 4 8 16 32 64 109 128 218 256 436 512 872 1744 3488 6976 11881 13952 23762 27904 47524 55808 95048 190096 380192 760384 1295029 1520768 2590058 3041536 5180116 6083072 10360232 20720464 41440928 82881856 141158161 165763712 282316322 331527424 564632644 663054848 1129265288 2258530576 4517061152 9034122304 18068244608 36136489216 72272978432
• Sum of all divisors σ(n): 145741880163
• Sum of proper divisors (its aliquot sum) s(n): 73468901731
• 72272978432 is an abundant number, because the sum of its proper divisors (73468901731) is greater than itself. Its abundance is 1195923299

Bases of 72272978432

• Binary: 1000011010011110011100010001000000000₂
• Hexadecimal: 0x10D3CE2200
• Base-36: X79GR28

Squares and roots of 72272978432

• 72272978432 squared (72272978432²) is 5223383411432337178624
• 72272978432 cubed (72272978432³) is 377509476636515887138044083437568
• The square root of 72272978432 is 268836.3413528759
• The cube root of 72272978432 is 4165.4185898625

Scales and comparisons

• 72,272,978,432 seconds is equal to 2,298 years, 2 weeks, 6 days, 19 hours, 20 minutes, 32 seconds.
• To count from 1 to 72,272,978,432 would take you about four thousand, five hundred ninety-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 72272978432 cubic inches would be around 347.1 feet tall.

Recreational maths with 72272978432

• 72272978432 backwards is 23487927227
• The number of decimal digits it has is: 11
• The sum of 72272978432's digits is 53
• More coming soon!