72113100

Names of 72113100

• Cardinal: 72113100 can be written as Seventy-two million, one hundred thirteen thousand, one hundred.

Scientific notation

• Scientific notation: 7.21131 × 10⁷

Factors of 72113100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1168

Divisors of 72113100

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 271 300 542 813 887 1084 1355 1626 1774 2661 2710 3252 3548 4065 4435 5322 5420 6775 8130 8870 10644 13305 13550 16260 17740 20325 22175 26610 27100 40650 44350 53220 66525 81300 88700 133050 240377 266100 480754 721131 961508 1201885 1442262 2403770 2884524 3605655 4807540 6009425 7211310 12018850 14422620 18028275 24037700 36056550 72113100
• Sum of all divisors σ(n): 209653248
• Sum of proper divisors (its aliquot sum) s(n): 137540148
• 72113100 is an abundant number, because the sum of its proper divisors (137540148) is greater than itself. Its abundance is 65427048

Bases of 72113100

• Binary: 100010011000101101111001100₂
• Hexadecimal: 0x44C5BCC
• Base-36: 16XMTO

Squares and roots of 72113100

• 72113100 squared (72113100²) is 5200299191610000
• 72113100 cubed (72113100³) is 375009695634491091000000
• The square root of 72113100 is 8491.9432405075
• The cube root of 72113100 is 416.2344816515

Scales and comparisons

• 72,113,100 seconds is equal to 2 years, 15 weeks, 1 day, 15 hours, 25 minutes.
• To count from 1 to 72,113,100 would take you about three 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 72113100 cubic inches would be around 34.7 feet tall.

Recreational maths with 72113100

• 72113100 backwards is 00131127
• 72113100 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 72113100's digits is 15
• More coming soon!