30312900

Names of 30312900

• Cardinal: 30312900 can be written as Thirty million, three hundred twelve thousand, nine hundred.

Scientific notation

• Scientific notation: 3.03129 × 10⁷

Factors of 30312900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 222

Divisors of 30312900

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 90 100 103 108 109 135 150 180 206 218 225 270 300 309 327 412 436 450 515 540 545 618 654 675 900 927 981 1030 1090 1236 1308 1350 1545 1635 1854 1962 2060 2180 2575 2700 2725 2781 2943 3090 3270 3708 3924 4635 4905 5150 5450 5562 5886 6180 6540 7725 8175 9270 9810 10300 10900 11124 11227 11772 13905 14715 15450 16350 18540 19620 22454 23175 24525 27810 29430 30900 32700 33681 44908 46350 49050 55620 56135 58860 67362 69525 73575 92700 98100 101043 112270 134724 139050 147150 168405 202086 224540 278100 280675 294300 303129 336810 404172 505215 561350 606258 673620 842025 1010430 1122700 1212516 1515645 1684050 2020860 2526075 3031290 3368100 5052150 6062580 7578225 10104300 15156450 30312900
• Sum of all divisors σ(n): 99299200
• Sum of proper divisors (its aliquot sum) s(n): 68986300
• 30312900 is an abundant number, because the sum of its proper divisors (68986300) is greater than itself. Its abundance is 38673400

Bases of 30312900

• Binary: 1110011101000100111000100₂
• Hexadecimal: 0x1CE89C4
• Base-36: I1PL0

Squares and roots of 30312900

• 30312900 squared (30312900²) is 918871906410000
• 30312900 cubed (30312900³) is 27853672211815689000000
• The square root of 30312900 is 5505.7152123953
• The cube root of 30312900 is 311.7997975983

Scales and comparisons

• 30,312,900 seconds is equal to 50 weeks, 20 hours, 15 minutes.
• To count from 1 to 30,312,900 would take you about twenty-three weeks!

  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 30312900 cubic inches would be around 26 feet tall.

Recreational maths with 30312900

• 30312900 backwards is 00921303
• 30312900 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30312900's digits is 18
• More coming soon!