3989145750

Names of 3989145750

• Cardinal: 3989145750 can be written as Three billion, nine hundred eighty-nine million, one hundred forty-five thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 3.98914575 × 10⁹

Factors of 3989145750

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5033

Divisors of 3989145750

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 15 25 29 30 37 50 58 74 75 87 111 125 145 150 174 185 222 250 290 370 375 435 555 725 750 870 925 1073 1110 1450 1850 2146 2175 2775 3219 3625 4350 4625 4957 5365 5550 6438 7250 9250 9914 10730 10875 13875 14871 16095 21750 24785 26825 27750 29742 32190 49570 53650 74355 80475 123925 134125 143753 148710 160950 183409 247850 268250 287506 366818 371775 402375 431259 550227 619625 718765 743550 804750 862518 917045 1100454 1239250 1437530 1834090 1858875 2156295 2751135 3593825 3717750 4312590 4585225 5318861 5502270 7187650 9170450 10637722 10781475 13755675 15956583 17969125 21562950 22926125 26594305 27511350 31913166 35938250 45852250 53188610 53907375 68778375 79782915 107814750 132971525 137556750 159565830 265943050 398914575 664857625 797829150 1329715250 1994572875 3989145750
• Sum of all divisors σ(n): 10580768640
• Sum of proper divisors (its aliquot sum) s(n): 6591622890
• 3989145750 is an abundant number, because the sum of its proper divisors (6591622890) is greater than itself. Its abundance is 2602477140

Bases of 3989145750

• Binary: 11101101110001011000100010010110₂
• Hexadecimal: 0xEDC58896
• Base-36: 1TZ18K6

Squares and roots of 3989145750

• 3989145750 squared (3989145750²) is 15913283814743062500
• 3989145750 cubed (3989145750³) is 63480408498126075113859375000
• The square root of 3989145750 is 63159.6845305611
• The cube root of 3989145750 is 1585.9639139397

Scales and comparisons

• 3,989,145,750 seconds is equal to 126 years, 43 weeks, 5 days, 16 hours, 2 minutes, 30 seconds.
• To count from 1 to 3,989,145,750 would take you about two hundred fifty-three 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 3989145750 cubic inches would be around 132.2 feet tall.

Recreational maths with 3989145750

• 3989145750 backwards is 0575419893
• The number of decimal digits it has is: 10
• The sum of 3989145750's digits is 51
• More coming soon!