31781140 (number)

31781140 is an even 8-digits composite number following 31781139 and preceding 31781141. In scientific notation, it is written as 3.1781140 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 12592800 positive integers (up to 31781140) that are relatively prime to 31781140.

Interesting facts

Basic properties

Name

Name thirty-one million seven hundred eighty-one thousand one hundred forty

Notation

Scientific notation 3.1781140 × 10^7
Engineering notation 3.1781140 × 10^6

Prime Factorization of 31781140

Prime Factorization 2 × 2 × 5 × 107 × 14851

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15890570
Product of the distinct prime numbers

The prime factorization of 31781140 is 2 × 2 × 5 × 107 × 14851. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 1, 87, 79, 741, 504, 4375, 3191, 67549, 1859, 860048, 905131, 5238812, 6071046, 76557314, 97729559, 878817295, 340425285, 4290473103, 5224944615

Basic calculations (n = 31781140)

Multiplication

n×y
n×2 63562280
n×3 95343420
n×4 127124560
n×5 158905700

Division

n÷y
n÷2 15890570
n÷3 10593713.333333
n÷3 7945285
n÷5 6356228

Exponentiation

ny
n2 1010040859699600
n3 3.2100249967833E+22
n4 1.0201825382627E+30
n5 3.2422564074082E+37

Nth Root

y√n
2√n 5637.4763857599
3√n 316.75476526963
4√n 75.083129834603
5√n 31.654386025995

Divisors of 31781140

1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 14851, 29702, 59404, 74255, 148510, 297020, 1589057, 3178114, 6356228, 7945285, 15890570, 31781140

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31781139
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31781140 can be divided by 24 positive divisors. The sum of these divisors (counting 31781140) is 1, the average is 0.041666666666667.

Base conversion 31781140

Base System Value
2 Binary 1111001001111000100010100
3 Ternary 2012210122112021
4 Quaternary 1321033010110
5 Quinary 31113444030
6 Senary 3053102524
8 Octal 171170424
10 Decimal 31781140
12 Duodecimal a787a44
16 Hexadecimal 1e4f114
20 Vigesimal 9icch0
36 Base36 ix6hg

Cryptographic Hash Functions

md5 dbd274afd2b4b2273f5286bafad6adbb
sha1 de4a7f718bd56a4c8fcb9e8ab7cef2b2cdb79bb6
sha256 740027876cae7e7aaf27af10a35334fa2752c31a77f7763e0f027dfc1e9aa17b
sha512 43ce15b8dd0794857734b438329b409ee4a6375f86f57ae14e6182d162921fffb1e20b4ffa998bb0701a4634b97ff041354ff4bc51f4cf570ad8acc049a98775
ripemd-160 0963b92f2dbc35e12f9a1ab624f03df9fb901bcc

31781140 as geometric shapes

Circle

Radius = n
Diameter 63562280
Circumference 199686791.89342
Area 3.1731369446578E+15

Sphere

Radius = n
Volume 1.3446121263645E+23
Surface area 1.2692547778631E+16
Circumference 199686791.89342

Square

Length = n
Perimeter 127124560
Area 1010040859699600
Diagonal 44945319.215678

Cube

Length = n
Surface area 6060245158197600
Volume 3.2100249967833E+22
Space diagonal 55046549.20246

Equilateral Triangle

Length = n
Perimeter 95343420
Area 4.3736052168006E+14
Altitude 27523274.60123

Triangular Pyramid

Length = n
Surface area 4.3736052168006E+14
Volume 3.7830507383397E+21
Height 14981773.071893