20157742 (number)

20157742 is an even 8-digits composite number following 20157741 and preceding 20157743. In scientific notation, it is written as 2.0157742 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 9162600 positive integers (up to 20157742) that are relatively prime to 20157742.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand seven hundred forty-two

Notation

Scientific notation 2.0157742 × 10^7
Engineering notation 2.0157742 × 10^6

Prime Factorization of 20157742

Prime Factorization 2 × 11 × 916261

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20157742
Product of the distinct prime numbers

The prime factorization of 20157742 is 2 × 11 × 916261. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157742)

Multiplication

n×y
n×2 40315484
n×3 60473226
n×4 80630968
n×5 100788710

Division

n÷y
n÷2 10078871
n÷3 6719247.3333333
n÷3 5039435.5
n÷5 4031548.4

Exponentiation

ny
n2 406334562538564
n3 8.1907872773352E+21
n4 1.6510777671341E+29
n5 3.3281999651825E+36

Nth Root

y√n
2√n 4489.7374088024
3√n 272.15352312118
4√n 67.005502824786
5√n 28.899370075498

Divisors of 20157742

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 -20157741
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 20157742 can be divided by 8 positive divisors. The sum of these divisors (counting 20157742) is 1, the average is 0.125.

Base conversion 20157742

Base System Value
2 Binary 1001100111001010100101110
3 Ternary 1101221010020001
4 Quaternary 1030321110232
5 Quinary 20130021432
6 Senary 2000014514
8 Octal 114712456
10 Decimal 20157742
12 Duodecimal 690143a
16 Hexadecimal 133952e
20 Vigesimal 65je72
36 Base36 c01ta

Cryptographic Hash Functions

md5 aa1178a7b8bf1511c412705687f39165
sha1 b55bfc32f5c3e7c4b90fff98cd5afc8e4f1004cf
sha256 53d91d14393982bd510b9124e2370673ce16b82df61412e0b83315ab3a17512a
sha512 200139da429c094678e7d9d62661063222c7fe28beec5e61ff81d9ef4a5a8b7a0ac7a10a6201efb347861d0c161ae554579a1566ef5a5300896c954b544ea9a6
ripemd-160 f6df2d91369c4d410607ac71930e7a71a8569468

20157742 as geometric shapes

Circle

Radius = n
Diameter 40315484
Circumference 126654828.36032
Area 1.2765376765708E+15

Sphere

Radius = n
Volume 3.4309489516791E+22
Surface area 5.1061507062831E+15
Circumference 126654828.36032

Square

Length = n
Perimeter 80630968
Area 406334562538564
Diagonal 28507352.123218

Cube

Length = n
Surface area 2438007375231384
Volume 8.1907872773352E+21
Space diagonal 34914233.309865

Equilateral Triangle

Length = n
Perimeter 60473226
Area 1.7594802679702E+14
Altitude 17457116.654933

Triangular Pyramid

Length = n
Surface area 1.7594802679702E+14
Volume 9.6529353784337E+20
Height 9502450.7077393