28996200

Names of 28996200

• Cardinal: 28996200 can be written as Twenty-eight million, nine hundred ninety-six thousand, two hundred.

Scientific notation

• Scientific notation: 2.89962 × 10⁷

Factors of 28996200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 280

Divisors of 28996200

• 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 89 90 100 120 150 178 180 181 200 225 267 300 356 360 362 445 450 534 543 600 712 724 801 890 900 905 1068 1086 1335 1448 1602 1629 1780 1800 1810 2136 2172 2225 2670 2715 3204 3258 3560 3620 4005 4344 4450 4525 5340 5430 6408 6516 6675 7240 8010 8145 8900 9050 10680 10860 13032 13350 13575 16020 16109 16290 17800 18100 20025 21720 26700 27150 32040 32218 32580 36200 40050 40725 48327 53400 54300 64436 65160 80100 80545 81450 96654 108600 128872 144981 160200 161090 162900 193308 241635 289962 322180 325800 386616 402725 483270 579924 644360 724905 805450 966540 1159848 1208175 1449810 1610900 1933080 2416350 2899620 3221800 3624525 4832700 5799240 7249050 9665400 14498100 28996200
• Sum of all divisors σ(n): 99017100
• Sum of proper divisors (its aliquot sum) s(n): 70020900
• 28996200 is an abundant number, because the sum of its proper divisors (70020900) is greater than itself. Its abundance is 41024700

Bases of 28996200

• Binary: 1101110100111001001101000₂
• Hexadecimal: 0x1BA7268
• Base-36: H9HM0

Squares and roots of 28996200

• 28996200 squared (28996200²) is 840779614440000
• 28996200 cubed (28996200³) is 24379413856225128000000
• The square root of 28996200 is 5384.8119744333
• The cube root of 28996200 is 307.2182626675

Scales and comparisons

• 28,996,200 seconds is equal to 47 weeks, 6 days, 14 hours, 30 minutes.
• To count from 1 to 28,996,200 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 28996200 cubic inches would be around 25.6 feet tall.

Recreational maths with 28996200

• 28996200 backwards is 00269982
• 28996200 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28996200's digits is 36
• More coming soon!