28347480

Names of 28347480

• Cardinal: 28347480 can be written as Twenty-eight million, three hundred forty-seven thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.834748 × 10⁷

Factors of 28347480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1624

Divisors of 28347480

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 49 56 60 63 70 72 84 90 98 105 120 126 140 147 168 180 196 210 245 252 280 294 315 360 392 420 441 490 504 588 630 735 840 882 980 1176 1260 1470 1607 1764 1960 2205 2520 2940 3214 3528 4410 4821 5880 6428 8035 8820 9642 11249 12856 14463 16070 17640 19284 22498 24105 28926 32140 33747 38568 44996 48210 56245 57852 64280 67494 72315 78743 89992 96420 101241 112490 115704 134988 144630 157486 168735 192840 202482 224980 236229 269976 289260 314972 337470 393715 404964 449960 472458 506205 578520 629944 674940 708687 787430 809928 944916 1012410 1181145 1349880 1417374 1574860 1889832 2024820 2362290 2834748 3149720 3543435 4049640 4724580 5669496 7086870 9449160 14173740 28347480
• Sum of all divisors σ(n): 107237520
• Sum of proper divisors (its aliquot sum) s(n): 78890040
• 28347480 is an abundant number, because the sum of its proper divisors (78890040) is greater than itself. Its abundance is 50542560

Bases of 28347480

• Binary: 1101100001000110001011000₂
• Hexadecimal: 0x1B08C58
• Base-36: GVL20

Squares and roots of 28347480

• 28347480 squared (28347480²) is 803579622350400
• 28347480 cubed (28347480³) is 22779457272985516992000
• The square root of 28347480 is 5324.2351563393
• The cube root of 28347480 is 304.9098721425

Scales and comparisons

• 28,347,480 seconds is equal to 46 weeks, 6 days, 2 hours, 18 minutes.
• To count from 1 to 28,347,480 would take you about eighteen 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 28347480 cubic inches would be around 25.4 feet tall.

Recreational maths with 28347480

• 28347480 backwards is 08474382
• 28347480 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28347480's digits is 36
• More coming soon!