105305420

Names of 105305420

• Cardinal: 105305420 can be written as One hundred five million, three hundred five thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.0530542 × 10⁸

Factors of 105305420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 253

Divisors of 105305420

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 11 20 22 44 55 73 79 83 110 146 158 166 220 292 316 332 365 395 415 730 790 803 830 869 913 1460 1580 1606 1660 1738 1826 3212 3476 3652 4015 4345 4565 5767 6059 6557 8030 8690 9130 11534 12118 13114 16060 17380 18260 23068 24236 26228 28835 30295 32785 57670 60590 63437 65570 66649 72127 115340 121180 126874 131140 133298 144254 253748 266596 288508 317185 333245 360635 478661 634370 666490 721270 957322 1268740 1332980 1442540 1914644 2393305 4786610 5265271 9573220 10530542 21061084 26326355 52652710 105305420
• Sum of all divisors σ(n): 250629120
• Sum of proper divisors (its aliquot sum) s(n): 145323700
• 105305420 is an abundant number, because the sum of its proper divisors (145323700) is greater than itself. Its abundance is 40018280

Bases of 105305420

• Binary: 110010001101101010101001100₂
• Hexadecimal: 0x646D54C
• Base-36: 1QP26K

Squares and roots of 105305420

• 105305420 squared (105305420²) is 11089231481376400
• 105305420 cubed (105305420³) is 1167756178623563980088000
• The square root of 105305420 is 10261.8429144087
• The cube root of 105305420 is 472.2263768543

Scales and comparisons

• 105,305,420 seconds is equal to 3 years, 18 weeks, 19 hours, 30 minutes, 20 seconds.
• To count from 1 to 105,305,420 would take you about five 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 105305420 cubic inches would be around 39.4 feet tall.

Recreational maths with 105305420

• 105305420 backwards is 024503501
• 105305420 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 105305420's digits is 20
• More coming soon!