72028211940

Names of 72028211940

• Cardinal: 72028211940 can be written as Seventy-two billion, twenty-eight million, two hundred eleven thousand, nine hundred forty.

Scientific notation

• Scientific notation: 7.202821194 × 10¹⁰

Factors of 72028211940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2548936

Divisors of 72028211940

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 157 180 314 471 628 785 942 1413 1570 1884 2355 2826 3140 4710 5652 7065 9420 14130 28260 2548769 5097538 7646307 10195076 12743845 15292614 22938921 25487690 30585228 38231535 45877842 50975380 76463070 91755684 114694605 152926140 229389210 400156733 458778420 800313466 1200470199 1600626932 2000783665 2400940398 3601410597 4001567330 4801880796 6002350995 7202821194 8003134660 12004701990 14405642388 18007052985 24009403980 36014105970 72028211940
• Sum of all divisors σ(n): 219877290360
• Sum of proper divisors (its aliquot sum) s(n): 147849078420
• 72028211940 is an abundant number, because the sum of its proper divisors (147849078420) is greater than itself. Its abundance is 75820866480

Bases of 72028211940

• Binary: 1000011000101001101110100101011100100₂
• Hexadecimal: 0x10C5374AE4
• Base-36: X37QK10

Squares and roots of 72028211940

• 72028211940 squared (72028211940²) is 5188063315273558563600
• 72028211940 cubed (72028211940³) is 373686924030662915296982769384000
• The square root of 72028211940 is 268380.7219976875
• The cube root of 72028211940 is 4160.7109381133

Scales and comparisons

• 72,028,211,940 seconds is equal to 2,290 years, 14 weeks, 1 day, 20 hours, 39 minutes.
• To count from 1 to 72,028,211,940 would take you about four thousand, five hundred eighty 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 72028211940 cubic inches would be around 346.7 feet tall.

Recreational maths with 72028211940

• 72028211940 backwards is 04911282027
• 72028211940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72028211940's digits is 36
• More coming soon!