1428384750

Names of 1428384750

• Cardinal: 1428384750 can be written as One billion, four hundred twenty-eight million, three hundred eighty-four thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 1.42838475 × 10⁹

Factors of 1428384750

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3473

Divisors of 1428384750

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 13 15 25 26 30 39 43 50 65 75 78 86 125 129 130 150 195 215 250 258 325 375 390 430 559 645 650 750 975 1075 1118 1290 1625 1677 1950 2150 2795 3225 3250 3354 3407 4875 5375 5590 6450 6814 8385 9750 10221 10750 13975 16125 16770 17035 20442 27950 32250 34070 41925 44291 51105 69875 83850 85175 88582 102210 132873 139750 146501 170350 209625 221455 255525 265746 293002 419250 425875 439503 442910 511050 664365 732505 851750 879006 1107275 1277625 1328730 1465010 1904513 2197515 2214550 2555250 3321825 3662525 3809026 4395030 5536375 5713539 6643650 7325050 9522565 10987575 11072750 11427078 16609125 18312625 19045130 21975150 28567695 33218250 36625250 47612825 54937875 57135390 95225650 109875750 142838475 238064125 285676950 476128250 714192375 1428384750
• Sum of all divisors σ(n): 3929942016
• Sum of proper divisors (its aliquot sum) s(n): 2501557266
• 1428384750 is an abundant number, because the sum of its proper divisors (2501557266) is greater than itself. Its abundance is 1073172516

Bases of 1428384750

• Binary: 1010101001000110110101111101110₂
• Hexadecimal: 0x55236BEE
• Base-36: NMF8Q6

Squares and roots of 1428384750

• 1428384750 squared (1428384750²) is 2040282994032562500
• 1428384750 cubed (1428384750³) is 2914309114360453278421875000
• The square root of 1428384750 is 37793.9776948657
• The cube root of 1428384750 is 1126.1988208259

Scales and comparisons

• 1,428,384,750 seconds is equal to 45 years, 21 weeks, 5 days, 5 hours, 32 minutes, 30 seconds.
• To count from 1 to 1,428,384,750 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 1428384750 cubic inches would be around 93.8 feet tall.

Recreational maths with 1428384750

• 1428384750 backwards is 0574838241
• The number of decimal digits it has is: 10
• The sum of 1428384750's digits is 42
• More coming soon!