1428744240

Names of 1428744240

• Cardinal: 1428744240 can be written as One billion, four hundred twenty-eight million, seven hundred forty-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.42874424 × 10⁹

Factors of 1428744240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 25799

Divisors of 1428744240

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 28 30 33 35 36 40 42 44 45 48 55 56 60 63 66 70 72 77 80 84 88 90 99 105 110 112 120 126 132 140 144 154 165 168 176 180 198 210 220 231 240 252 264 280 308 315 330 336 360 385 396 420 440 462 495 504 528 560 616 630 660 693 720 770 792 840 880 924 990 1008 1155 1232 1260 1320 1386 1540 1584 1680 1848 1980 2310 2520 2640 2772 3080 3465 3696 3960 4620 5040 5544 6160 6930 7920 9240 11088 13860 18480 25771 27720 51542 55440 77313 103084 128855 154626 180397 206168 231939 257710 283481 309252 360794 386565 412336 463878 515420 541191 566962 618504 721588 773130 850443 901985 927756 1030840 1082382 1133924 1159695 1237008 1417405 1443176 1546260 1623573 1700886 1803970 1855512 1984367 2061680 2164764 2267848 2319390 2551329 2705955 2834810 2886352 3092520 3247146 3401772 3607940 3711024 3968734 4252215 4329528 4535696 4638780 5102658 5411910 5669620 5953101 6185040 6494292 6803544 7215880 7937468 8117865 8504430 8659056 9277560 9921835 10205316 10823820 11339240 11906202 12756645 12988584 13607088 14431760 15874936 16235730 17008860 17859303 18555120 19843670 20410632 21647640 22678480 23812404 25513290 25977168 29765505 31749872 32471460 34017720 35718606 39687340 40821264 43295280 47624808 51026580 59531010 64942920 68035440 71437212 79374680 89296515 95249616 102053160 119062020 129885840 142874424 158749360 178593030 204106320 238124040 285748848 357186060 476248080 714372120 1428744240
• Sum of all divisors σ(n): 5982402816
• Sum of proper divisors (its aliquot sum) s(n): 4553658576
• 1428744240 is an abundant number, because the sum of its proper divisors (4553658576) is greater than itself. Its abundance is 3124914336

Bases of 1428744240

• Binary: 1010101001010001110100000110000₂
• Hexadecimal: 0x5528E830
• Base-36: NMMY40

Squares and roots of 1428744240

• 1428744240 squared (1428744240²) is 2041310103333177600
• 1428744240 cubed (1428744240³) is 2916510052191082296897024000
• The square root of 1428744240 is 37798.7333121099
• The cube root of 1428744240 is 1126.2932919305

Scales and comparisons

• 1,428,744,240 seconds is equal to 45 years, 22 weeks, 2 days, 9 hours, 24 minutes.
• To count from 1 to 1,428,744,240 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 1428744240 cubic inches would be around 93.9 feet tall.

Recreational maths with 1428744240

• 1428744240 backwards is 0424478241
• 1428744240 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1428744240's digits is 36
• More coming soon!