72049728942

Names of 72049728942

• Cardinal: 72049728942 can be written as Seventy-two billion, forty-nine million, seven hundred twenty-eight thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 7.2049728942 × 10¹⁰

Factors of 72049728942

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 63302

Divisors of 72049728942

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 41 82 123 246 369 738 1583 3166 4749 9498 14247 28494 61673 64903 123346 129806 185019 194709 370038 389418 555057 584127 1110114 1168254 2528593 5057186 7585779 15171558 22757337 45514674 97628359 195256718 292885077 585770154 878655231 1757310462 4002762719 8005525438 12008288157 24016576314 36024864471 72049728942
• Sum of all divisors σ(n): 160018867008
• Sum of proper divisors (its aliquot sum) s(n): 87969138066
• 72049728942 is an abundant number, because the sum of its proper divisors (87969138066) is greater than itself. Its abundance is 15919409124

Bases of 72049728942

• Binary: 1000011000110011111111001110110101110₂
• Hexadecimal: 0x10C67F9DAE
• Base-36: X3KJQNI

Squares and roots of 72049728942

• 72049728942 squared (72049728942²) is 5191163440615672439364
• 72049728942 cubed (72049728942³) is 374021918789979312853236130872888
• The square root of 72049728942 is 268420.8057174407
• The cube root of 72049728942 is 4161.1252068649

Scales and comparisons

• 72,049,728,942 seconds is equal to 2,290 years, 49 weeks, 5 days, 21 hours, 35 minutes, 42 seconds.
• To count from 1 to 72,049,728,942 would take you about four thousand, five hundred eighty-one 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 72049728942 cubic inches would be around 346.8 feet tall.

Recreational maths with 72049728942

• 72049728942 backwards is 24982794027
• The number of decimal digits it has is: 11
• The sum of 72049728942's digits is 54
• More coming soon!