389925000

Names of 389925000

• Cardinal: 389925000 can be written as Three hundred eighty-nine million, nine hundred twenty-five thousand.

Scientific notation

• Scientific notation: 3.89925 × 10⁸

Factors of 389925000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1743

Divisors of 389925000

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 300 360 375 450 500 600 625 750 900 1000 1125 1250 1500 1733 1800 1875 2250 2500 3000 3125 3466 3750 4500 5000 5199 5625 6250 6932 7500 8665 9000 9375 10398 11250 12500 13864 15000 15597 17330 18750 20796 22500 25000 25995 28125 31194 34660 37500 41592 43325 45000 51990 56250 62388 69320 75000 77985 86650 103980 112500 124776 129975 155970 173300 207960 216625 225000 259950 311940 346600 389925 433250 519900 623880 649875 779850 866500 1039800 1083125 1299750 1559700 1733000 1949625 2166250 2599500 3119400 3249375 3899250 4332500 5199000 5415625 6498750 7798500 8665000 9748125 10831250 12997500 15597000 16246875 19496250 21662500 25995000 32493750 38992500 43325000 48740625 64987500 77985000 97481250 129975000 194962500 389925000
• Sum of all divisors σ(n): 1320735780
• Sum of proper divisors (its aliquot sum) s(n): 930810780
• 389925000 is an abundant number, because the sum of its proper divisors (930810780) is greater than itself. Its abundance is 540885780

Bases of 389925000

• Binary: 10111001111011100100010001000₂
• Hexadecimal: 0x173DC888
• Base-36: 6G5G20

Squares and roots of 389925000

• 389925000 squared (389925000²) is 152041505625000000
• 389925000 cubed (389925000³) is 59284784080828125000000000
• The square root of 389925000 is 19746.5186805167
• The cube root of 389925000 is 730.5675201501

Scales and comparisons

• 389,925,000 seconds is equal to 12 years, 20 weeks, 5 days, 30 minutes.
• To count from 1 to 389,925,000 would take you about eighteen 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 389925000 cubic inches would be around 60.9 feet tall.

Recreational maths with 389925000

• 389925000 backwards is 000529983
• 389925000 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 389925000's digits is 36
• More coming soon!