1138435920

Names of 1138435920

• Cardinal: 1138435920 can be written as One billion, one hundred thirty-eight million, four hundred thirty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.13843592 × 10⁹

Factors of 1138435920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 83248

Divisors of 1138435920

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 36 38 40 45 48 57 60 72 76 80 90 95 114 120 144 152 171 180 190 228 240 285 304 342 360 380 456 570 684 720 760 855 912 1140 1368 1520 1710 2280 2736 3420 4560 6840 13680 83219 166438 249657 332876 416095 499314 665752 748971 832190 998628 1248285 1331504 1497942 1581161 1664380 1997256 2496570 2995884 3162322 3328760 3744855 3994512 4743483 4993140 5991768 6324644 6657520 7489710 7905805 9486966 9986280 11983536 12649288 14230449 14979420 15811610 18973932 19972560 23717415 25298576 28460898 29958840 31623220 37947864 47434830 56921796 59917680 63246440 71152245 75895728 94869660 113843592 126492880 142304490 189739320 227687184 284608980 379478640 569217960 1138435920
• Sum of all divisors σ(n): 4024519200
• Sum of proper divisors (its aliquot sum) s(n): 2886083280
• 1138435920 is an abundant number, because the sum of its proper divisors (2886083280) is greater than itself. Its abundance is 1747647360

Bases of 1138435920

• Binary: 1000011110110110010011101010000₂
• Hexadecimal: 0x43DB2750
• Base-36: ITSMS0

Squares and roots of 1138435920

• 1138435920 squared (1138435920²) is 1296036343946246400
• 1138435920 cubed (1138435920³) is 1475454327573881450930688000
• The square root of 1138435920 is 33740.7160564207
• The cube root of 1138435920 is 1044.1659576753

Scales and comparisons

• 1,138,435,920 seconds is equal to 36 years, 10 weeks, 2 days, 8 hours, 12 minutes.
• To count from 1 to 1,138,435,920 would take you about seventy-two 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 1138435920 cubic inches would be around 87 feet tall.

Recreational maths with 1138435920

• 1138435920 backwards is 0295348311
• 1138435920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1138435920's digits is 36
• More coming soon!