72072

Names of 72072

• Cardinal: 72072 can be written as Seventy-two thousand and seventy-two.

Scientific notation

• Scientific notation: 7.2072 × 10⁴

Factors of 72072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 36

Divisors of 72072

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 13 14 18 21 22 24 26 28 33 36 39 42 44 52 56 63 66 72 77 78 84 88 91 99 104 117 126 132 143 154 156 168 182 198 231 234 252 264 273 286 308 312 364 396 429 462 468 504 546 572 616 693 728 792 819 858 924 936 1001 1092 1144 1287 1386 1638 1716 1848 2002 2184 2574 2772 3003 3276 3432 4004 5148 5544 6006 6552 8008 9009 10296 12012 18018 24024 36036 72072
• Sum of all divisors σ(n): 262080
• Sum of proper divisors (its aliquot sum) s(n): 190008
• 72072 is an abundant number, because the sum of its proper divisors (190008) is greater than itself. Its abundance is 117936

Bases of 72072

• Binary: 10001100110001000₂
• Hexadecimal: 0x11988
• Base-36: 1JM0

Squares and roots of 72072

• 72072 squared (72072²) is 5194373184
• 72072 cubed (72072³) is 374368864117248
• The square root of 72072 is 268.4622878543
• The cube root of 72072 is 41.6155390667

Scales and comparisons

• 72,072 seconds is equal to 20 hours, 1 minute, 12 seconds.
• To count from 1 to 72,072 would take you about twenty hours.

  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 72072 cubic inches would be around 3.5 feet tall.

Recreational maths with 72072

• 72072 backwards is 27027
• 72072 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 72072's digits is 18
• More coming soon!