15045142420

Names of 15045142420

• Cardinal: 15045142420 can be written as Fifteen billion, forty-five million, one hundred forty-two thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.504514242 × 10¹⁰

Factors of 15045142420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 888168

Divisors of 15045142420

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 121 140 154 220 242 308 385 484 605 770 847 1210 1540 1694 2420 3388 4235 8470 16940 888143 1776286 3552572 4440715 6217001 8881430 9769573 12434002 17762860 19539146 24868004 31085005 39078292 48847865 62170010 68387011 97695730 107465303 124340020 136774022 195391460 214930606 273548044 341935055 429861212 537326515 683870110 752257121 1074653030 1367740220 1504514242 2149306060 3009028484 3761285605 7522571210 15045142420
• Sum of all divisors σ(n): 39689379072
• Sum of proper divisors (its aliquot sum) s(n): 24644236652
• 15045142420 is an abundant number, because the sum of its proper divisors (24644236652) is greater than itself. Its abundance is 9599094232

Bases of 15045142420

• Binary: 1110000000110000101010011110010100₂
• Hexadecimal: 0x380C2A794
• Base-36: 6WTHM6S

Squares and roots of 15045142420

• 15045142420 squared (15045142420²) is 226356310438083456400
• 15045142420 cubed (15045142420³) is 3405562928206698193383860488000
• The square root of 15045142420 is 122658.6418480165
• The cube root of 15045142420 is 2468.6836139857

Scales and comparisons

• 15,045,142,420 seconds is equal to 478 years, 20 weeks, 1 day, 14 hours, 13 minutes, 40 seconds.
• To count from 1 to 15,045,142,420 would take you about nine hundred fifty-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 15045142420 cubic inches would be around 205.7 feet tall.

Recreational maths with 15045142420

• 15045142420 backwards is 02424154051
• 15045142420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 15045142420's digits is 28
• More coming soon!