1385765550

Names of 1385765550

• Cardinal: 1385765550 can be written as One billion, three hundred eighty-five million, seven hundred sixty-five thousand, five hundred fifty.

Scientific notation

• Scientific notation: 1.38576555 × 10⁹

Factors of 1385765550

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 304

Divisors of 1385765550

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 25 26 27 30 39 45 50 54 65 75 78 90 117 130 135 150 195 225 234 270 281 325 351 390 450 562 585 650 675 702 843 975 1170 1350 1405 1686 1755 1950 2529 2810 2925 3510 3653 4215 5058 5850 7025 7306 7587 8430 8775 10959 12645 14050 15174 17550 18265 21075 21918 25290 32877 36530 37935 42150 54795 63225 65754 75870 78961 91325 98631 109590 126450 157922 164385 182650 189675 197262 236883 273975 328770 379350 394805 473766 493155 547950 710649 789610 821925 986310 1026493 1184415 1421298 1643850 1974025 2052986 2131947 2368830 2465775 3079479 3553245 3948050 4263894 4931550 5132465 5922075 6158958 7106490 9238437 10264930 10659735 11844150 15397395 17766225 18476874 21319470 25662325 27715311 30794790 35532450 46192185 51324650 53298675 55430622 76986975 92384370 106597350 138576555 153973950 230960925 277153110 461921850 692882775 1385765550
• Sum of all divisors σ(n): 4126975440
• Sum of proper divisors (its aliquot sum) s(n): 2741209890
• 1385765550 is an abundant number, because the sum of its proper divisors (2741209890) is greater than itself. Its abundance is 1355444340

Bases of 1385765550

• Binary: 1010010100110010001101010101110₂
• Hexadecimal: 0x52991AAE
• Base-36: MX1RJI

Squares and roots of 1385765550

• 1385765550 squared (1385765550²) is 1920346159566802500
• 1385765550 cubed (1385765550³) is 2661149552002477828153875000
• The square root of 1385765550 is 37225.8720515719
• The cube root of 1385765550 is 1114.8846093729

Scales and comparisons

• 1,385,765,550 seconds is equal to 44 years, 3 weeks, 1 day, 22 hours, 52 minutes, 30 seconds.
• To count from 1 to 1,385,765,550 would take you about eighty-eight 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 1385765550 cubic inches would be around 92.9 feet tall.

Recreational maths with 1385765550

• 1385765550 backwards is 0555675831
• 1385765550 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1385765550's digits is 45
• More coming soon!