20347945 (number)

20347945 is an odd 8-digits composite number following 20347944 and preceding 20347946. In scientific notation, it is written as 2.0347945 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 15931824 positive integers (up to 20347945) that are relatively prime to 20347945.

Interesting facts

Basic properties

Name

Name twenty million three hundred forty-seven thousand nine hundred forty-five

Notation

Scientific notation 2.0347945 × 10^7
Engineering notation 2.0347945 × 10^6

Prime Factorization of 20347945

Prime Factorization 5 × 47 × 86587

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20347945
Product of the distinct prime numbers

The prime factorization of 20347945 is 5 × 47 × 86587. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 78, 68, 959, 282, 6031, 8895, 41413, 63268, 477115, 371739, 1221251, 2964540, 56452603, 36759372, 499704335, 918132830, 4792562133, 3725934558

Basic calculations (n = 20347945)

Multiplication

n×y
n×2 40695890
n×3 61043835
n×4 81391780
n×5 101739725

Division

n÷y
n÷2 10173972.5
n÷3 6782648.3333333
n÷3 5086986.25
n÷5 4069589

Exponentiation

ny
n2 414038865723025
n3 8.4248400675945E+21
n4 1.7142818232921E+29
n5 3.4882112254847E+36

Nth Root

y√n
2√n 4510.8696500786
3√n 273.00683385774
4√n 67.16300804817
5√n 28.953702720926

Divisors of 20347945

1, 5, 47, 235, 86587, 432935, 4069589, 20347945

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20347944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20347945 can be divided by 8 positive divisors. The sum of these divisors (counting 20347945) is 1, the average is 0.125.

Base conversion 20347945

Base System Value
2 Binary 1001101100111110000101001
3 Ternary 1102021210010121
4 Quaternary 1031213300221
5 Quinary 20202113240
6 Senary 2004043241
8 Octal 115476051
10 Decimal 20347945
12 Duodecimal 6993521
16 Hexadecimal 1367c29
20 Vigesimal 6739h5
36 Base36 c44kp

Cryptographic Hash Functions

md5 5f443f1c7158327cb6b4da758b5e2ca5
sha1 646a17c349d4a1caf0a834361764f05e40455ca0
sha256 1f25658dbcff0a1a089b9b005c3195f33314727fdbc9d38dfdbb3f5b7ec6f34f
sha512 0660c57c1599800f393e6e4be96ff9d67b6311371a3f708d32123e04bea3288bc3e6241f3e6e7301160a1854244baa95158ff433043fc9bce75cb6407c702b3f
ripemd-160 1b2aab1707924b4b8ed1824817d4487c3145064d

20347945 as geometric shapes

Circle

Radius = n
Diameter 40695890
Circumference 127849909.0553
Area 1.3007414588561E+15

Sphere

Radius = n
Volume 3.5289887552032E+22
Surface area 5.2029658354244E+15
Circumference 127849909.0553

Square

Length = n
Perimeter 81391780
Area 414038865723025
Diagonal 28776339.785422

Cube

Length = n
Surface area 2484233194338150
Volume 8.4248400675945E+21
Space diagonal 35243674.569617

Equilateral Triangle

Length = n
Perimeter 61043835
Area 1.7928408793512E+14
Altitude 17621837.284809

Triangular Pyramid

Length = n
Surface area 1.7928408793512E+14
Volume 9.9287692370137E+20
Height 9592113.2618073