72000129456

Names of 72000129456

• Cardinal: 72000129456 can be written as Seventy-two billion, one hundred twenty-nine thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 7.2000129456 × 10¹⁰

Factors of 72000129456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10638369

Divisors of 72000129456

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 47 48 72 94 141 144 188 282 376 423 564 752 846 1128 1692 2256 3384 6768 10638317 21276634 31914951 42553268 63829902 85106536 95744853 127659804 170213072 191489706 255319608 382979412 500000899 510639216 765958824 1000001798 1500002697 1531917648 2000003596 3000005394 4000007192 4500008091 6000010788 8000014384 9000016182 12000021576 18000032364 24000043152 36000064728 72000129456
• Sum of all divisors σ(n): 205787623392
• Sum of proper divisors (its aliquot sum) s(n): 133787493936
• 72000129456 is an abundant number, because the sum of its proper divisors (133787493936) is greater than itself. Its abundance is 61787364480

Bases of 72000129456

• Binary: 1000011000011100010101100100110110000₂
• Hexadecimal: 0x10C38AC9B0
• Base-36: X2R0NG0

Squares and roots of 72000129456

• 72000129456 squared (72000129456²) is 5184018641680758855936
• 72000129456 cubed (72000129456³) is 373250013303331915051710454050816
• The square root of 72000129456 is 268328.3985268797
• The cube root of 72000129456 is 4160.1701394295

Scales and comparisons

• 72,000,129,456 seconds is equal to 2,289 years, 19 weeks, 5 days, 19 hours, 57 minutes, 36 seconds.
• To count from 1 to 72,000,129,456 would take you about four thousand, five hundred seventy-eight 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 72000129456 cubic inches would be around 346.7 feet tall.

Recreational maths with 72000129456

• 72000129456 backwards is 65492100027
• 72000129456 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72000129456's digits is 36
• More coming soon!