328432640

Names of 328432640

• Cardinal: 328432640 can be written as Three hundred twenty-eight million, four hundred thirty-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.2843264 × 10⁸

Factors of 328432640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2819

Divisors of 328432640

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 256 320 368 460 512 640 736 920 1024 1280 1472 1840 2560 2789 2944 3680 5120 5578 5888 7360 11156 11776 13945 14720 22312 23552 27890 29440 44624 55780 58880 64147 89248 111560 117760 128294 178496 223120 256588 320735 356992 446240 513176 641470 713984 892480 1026352 1282940 1427968 1784960 2052704 2565880 2855936 3569920 4105408 5131760 7139840 8210816 10263520 14279680 16421632 20527040 32843264 41054080 65686528 82108160 164216320 328432640
• Sum of all divisors σ(n): 822402720
• Sum of proper divisors (its aliquot sum) s(n): 493970080
• 328432640 is an abundant number, because the sum of its proper divisors (493970080) is greater than itself. Its abundance is 165537440

Bases of 328432640

• Binary: 10011100100110111110000000000₂
• Hexadecimal: 0x13937C00
• Base-36: 5FJG8W

Squares and roots of 328432640

• 328432640 squared (328432640²) is 107867999017369600
• 328432640 cubed (328432640³) is 35427371688792103583744000
• The square root of 328432640 is 18122.7106140335
• The cube root of 328432640 is 689.9465336993

Scales and comparisons

• 328,432,640 seconds is equal to 10 years, 23 weeks, 7 hours, 17 minutes, 20 seconds.
• To count from 1 to 328,432,640 would take you about fifteen 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 328432640 cubic inches would be around 57.5 feet tall.

Recreational maths with 328432640

• 328432640 backwards is 046234823
• 328432640 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 328432640's digits is 32
• More coming soon!