428524380

Names of 428524380

• Cardinal: 428524380 can be written as Four hundred twenty-eight million, five hundred twenty-four thousand, three hundred eighty.

Scientific notation

• Scientific notation: 4.2852438 × 10⁸

Factors of 428524380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 94

Divisors of 428524380

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 45 47 60 74 90 94 111 141 148 180 185 188 222 235 282 333 370 423 444 470 555 564 666 705 740 846 940 1110 1332 1369 1410 1665 1692 1739 2115 2220 2738 2820 3330 3478 4107 4230 5217 5476 6660 6845 6956 8214 8460 8695 10434 12321 13690 15651 16428 17390 20535 20868 24642 26085 27380 31302 34780 41070 49284 50653 52170 61605 62604 64343 78255 82140 101306 104340 123210 128686 151959 156510 193029 202612 246420 253265 257372 303918 313020 321715 386058 455877 506530 579087 607836 643430 759795 772116 911754 965145 1013060 1158174 1286860 1519590 1823508 1930290 2279385 2316348 2380691 2895435 3039180 3860580 4558770 4761382 5790870 7142073 9117540 9522764 11581740 11903455 14284146 21426219 23806910 28568292 35710365 42852438 47613820 71420730 85704876 107131095 142841460 214262190 428524380
• Sum of all divisors σ(n): 1364388480
• Sum of proper divisors (its aliquot sum) s(n): 935864100
• 428524380 is an abundant number, because the sum of its proper divisors (935864100) is greater than itself. Its abundance is 507339720

Bases of 428524380

• Binary: 11001100010101100001101011100₂
• Hexadecimal: 0x198AC35C
• Base-36: 734RJ0

Squares and roots of 428524380

• 428524380 squared (428524380²) is 183633144254384400
• 428524380 cubed (428524380³) is 78691279289060637291672000
• The square root of 428524380 is 20700.8304181257
• The cube root of 428524380 is 753.9198506693

Scales and comparisons

• 428,524,380 seconds is equal to 13 years, 32 weeks, 3 days, 18 hours, 33 minutes.
• To count from 1 to 428,524,380 would take you about twenty 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 428524380 cubic inches would be around 62.8 feet tall.

Recreational maths with 428524380

• 428524380 backwards is 083425824
• 428524380 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 428524380's digits is 36
• More coming soon!