28987350

Names of 28987350

• Cardinal: 28987350 can be written as Twenty-eight million, nine hundred eighty-seven thousand, three hundred fifty.

Scientific notation

• Scientific notation: 2.898735 × 10⁷

Factors of 28987350

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1489

Divisors of 28987350

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 19 21 25 30 35 38 42 50 57 70 75 95 105 114 133 150 175 190 210 266 285 350 399 475 525 570 665 798 950 1050 1330 1425 1453 1995 2850 2906 3325 3990 4359 6650 7265 8718 9975 10171 14530 19950 20342 21795 27607 30513 36325 43590 50855 55214 61026 72650 82821 101710 108975 138035 152565 165642 193249 217950 254275 276070 305130 386498 414105 508550 579747 690175 762825 828210 966245 1159494 1380350 1525650 1932490 2070525 2898735 4141050 4831225 5797470 9662450 14493675 28987350
• Sum of all divisors σ(n): 86542080
• Sum of proper divisors (its aliquot sum) s(n): 57554730
• 28987350 is an abundant number, because the sum of its proper divisors (57554730) is greater than itself. Its abundance is 28567380

Bases of 28987350

• Binary: 1101110100100111111010110₂
• Hexadecimal: 0x1BA4FD6
• Base-36: H9AS6

Squares and roots of 28987350

• 28987350 squared (28987350²) is 840266460022500
• 28987350 cubed (28987350³) is 24357097969933215375000
• The square root of 28987350 is 5383.9901560089
• The cube root of 28987350 is 307.1870038787

Scales and comparisons

• 28,987,350 seconds is equal to 47 weeks, 6 days, 12 hours, 2 minutes, 30 seconds.
• To count from 1 to 28,987,350 would take you about nineteen 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 28987350 cubic inches would be around 25.6 feet tall.

Recreational maths with 28987350

• 28987350 backwards is 05378982
• 28987350 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28987350's digits is 42
• More coming soon!