1428357840

Names of 1428357840

• Cardinal: 1428357840 can be written as One billion, four hundred twenty-eight million, three hundred fifty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.42835784 × 10⁹

Factors of 1428357840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9373

Divisors of 1428357840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 35 39 40 42 48 49 52 56 60 65 70 78 80 84 91 98 104 105 112 120 130 140 147 156 168 182 195 196 208 210 240 245 260 273 280 294 312 336 364 390 392 420 455 490 520 546 560 588 624 637 728 735 780 784 840 910 980 1040 1092 1176 1274 1365 1456 1470 1560 1680 1820 1911 1960 2184 2352 2548 2730 2940 3120 3185 3640 3822 3920 4368 5096 5460 5880 6370 7280 7644 9343 9555 10192 10920 11760 12740 15288 18686 19110 21840 25480 28029 30576 37372 38220 46715 50960 56058 65401 74744 76440 93430 112116 121459 130802 140145 149488 152880 186860 196203 224232 242918 261604 280290 327005 364377 373720 392406 448464 457807 485836 523208 560580 607295 654010 728754 747440 784812 850213 915614 971672 981015 1046416 1121160 1214590 1308020 1373421 1457508 1569624 1700426 1821885 1831228 1943344 1962030 2242320 2289035 2429180 2550639 2616040 2746842 2915016 3139248 3400852 3643770 3662456 3924060 4251065 4578070 4858360 5101278 5232080 5493684 5830032 5951491 6801704 6867105 7287540 7324912 7848120 8502130 9156140 9716720 10202556 10987368 11902982 12753195 13603408 13734210 14575080 15696240 17004260 17854473 18312280 20405112 21974736 23805964 25506390 27468420 29150160 29757455 34008520 35708946 36624560 40810224 47611928 51012780 54936840 59514910 68017040 71417892 89272365 95223856 102025560 109873680 119029820 142835784 178544730 204051120 238059640 285671568 357089460 476119280 714178920 1428357840
• Sum of all divisors σ(n): 5547644928
• Sum of proper divisors (its aliquot sum) s(n): 4119287088
• 1428357840 is an abundant number, because the sum of its proper divisors (4119287088) is greater than itself. Its abundance is 2690929248

Bases of 1428357840

• Binary: 1010101001000110000001011010000₂
• Hexadecimal: 0x552302D0
• Base-36: NMENYO

Squares and roots of 1428357840

• 1428357840 squared (1428357840²) is 2040206119089465600
• 1428357840 cubed (1428357840³) is 2914144405417411851170304000
• The square root of 1428357840 is 37793.6216840885
• The cube root of 1428357840 is 1126.1917484549

Scales and comparisons

• 1,428,357,840 seconds is equal to 45 years, 21 weeks, 4 days, 22 hours, 4 minutes.
• To count from 1 to 1,428,357,840 would take you about ninety 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 1428357840 cubic inches would be around 93.8 feet tall.

Recreational maths with 1428357840

• 1428357840 backwards is 0487538241
• 1428357840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1428357840's digits is 42
• More coming soon!