225478400

Names of 225478400

• Cardinal: 225478400 can be written as Two hundred twenty-five million, four hundred seventy-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.254784 × 10⁸

Factors of 225478400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 733

Divisors of 225478400

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 64 70 80 98 100 112 128 140 160 175 196 200 224 245 256 280 320 350 392 400 448 490 560 640 700 719 784 800 896 980 1120 1225 1280 1400 1438 1568 1600 1792 1960 2240 2450 2800 2876 3136 3200 3595 3920 4480 4900 5033 5600 5752 6272 6400 7190 7840 8960 9800 10066 11200 11504 12544 14380 15680 17975 19600 20132 22400 23008 25165 28760 31360 35231 35950 39200 40264 44800 46016 50330 57520 62720 70462 71900 78400 80528 92032 100660 115040 125825 140924 143800 156800 161056 176155 184064 201320 230080 251650 281848 287600 313600 322112 352310 402640 460160 503300 563696 575200 644224 704620 805280 880775 920320 1006600 1127392 1150400 1288448 1409240 1610560 1761550 2013200 2254784 2300800 2818480 3221120 3523100 4026400 4509568 4601600 5636960 6442240 7046200 8052800 9019136 11273920 14092400 16105600 22547840 28184800 32211200 45095680 56369600 112739200 225478400
• Sum of all divisors σ(n): 650114640
• Sum of proper divisors (its aliquot sum) s(n): 424636240
• 225478400 is an abundant number, because the sum of its proper divisors (424636240) is greater than itself. Its abundance is 199157840

Bases of 225478400

• Binary: 1101011100001000011100000000₂
• Hexadecimal: 0xD708700
• Base-36: 3Q8S8W

Squares and roots of 225478400

• 225478400 squared (225478400²) is 50840508866560000
• 225478400 cubed (225478400³) is 11463436594417762304000000
• The square root of 225478400 is 15015.9381991271
• The cube root of 225478400 is 608.6509648353

Scales and comparisons

• 225,478,400 seconds is equal to 7 years, 8 weeks, 5 days, 16 hours, 53 minutes, 20 seconds.
• To count from 1 to 225,478,400 would take you about ten 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 225478400 cubic inches would be around 50.7 feet tall.

Recreational maths with 225478400

• 225478400 backwards is 004874522
• 225478400 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 225478400's digits is 32
• More coming soon!