20157890 (number)

20157890 is an even 8-digits composite number following 20157889 and preceding 20157891. In scientific notation, it is written as 2.0157890 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 7712496 positive integers (up to 20157890) that are relatively prime to 20157890.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand eight hundred ninety

Notation

Scientific notation 2.0157890 × 10^7
Engineering notation 2.0157890 × 10^6

Prime Factorization of 20157890

Prime Factorization 2 × 5 × 23 × 87643

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20157890
Product of the distinct prime numbers

The prime factorization of 20157890 is 2 × 5 × 23 × 87643. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 18, 74, 269, 980, 589, 2025, 85215, 62728, 497488, 68273, 6401540, 5990550, 52174370, 97625098, 555450667, 909933659, 3010032929, 1883169334

Basic calculations (n = 20157890)

Multiplication

n×y
n×2 40315780
n×3 60473670
n×4 80631560
n×5 100789450

Division

n÷y
n÷2 10078945
n÷3 6719296.6666667
n÷3 5039472.5
n÷5 4031578

Exponentiation

ny
n2 406340529252100
n3 8.1909676912056E+21
n4 1.6511262571288E+29
n5 3.3283221467313E+36

Nth Root

y√n
2√n 4489.7538908052
3√n 272.15418917831
4√n 67.005625814592
5√n 28.899412511741

Divisors of 20157890

1, 2, 5, 10, 23, 46, 115, 230, 87643, 175286, 438215, 876430, 2015789, 4031578, 10078945, 20157890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20157889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157890 can be divided by 16 positive divisors. The sum of these divisors (counting 20157890) is 1, the average is 0.0625.

Base conversion 20157890

Base System Value
2 Binary 1001100111001010111000010
3 Ternary 1101221010102112
4 Quaternary 1030321113002
5 Quinary 20130023030
6 Senary 2000015322
8 Octal 114712702
10 Decimal 20157890
12 Duodecimal 6901542
16 Hexadecimal 13395c2
20 Vigesimal 65jeea
36 Base36 c01xe

Cryptographic Hash Functions

md5 25cdca49e54e10f48c61aa032442644b
sha1 6c6d36b063005ebf8fa08b32b9130b71e4e30fde
sha256 39680b45a890c9634e831a44ee61f633d9c59bbcd8fb3275d5cc2f2b0142ce36
sha512 3e88fb771a71bdb276de9373708ef5e6cf55f5a007b0f9b2c169d8a88ec5bfd9b09338e14acc67fcdeb064fe0c42bc1d09e63764f36aa1ad8b91fba315d64562
ripemd-160 73f5b162db25c8646b9f3da46d85665cc6224ebf

20157890 as geometric shapes

Circle

Radius = n
Diameter 40315780
Circumference 126655758.27174
Area 1.2765564215542E+15

Sphere

Radius = n
Volume 3.4310245232644E+22
Surface area 5.1062256862167E+15
Circumference 126655758.27174

Square

Length = n
Perimeter 80631560
Area 406340529252100
Diagonal 28507561.426825

Cube

Length = n
Surface area 2438043175512600
Volume 8.1909676912056E+21
Space diagonal 34914489.653385

Equilateral Triangle

Length = n
Perimeter 60473670
Area 1.7595061045977E+14
Altitude 17457244.826692

Triangular Pyramid

Length = n
Surface area 1.7595061045977E+14
Volume 9.653147998219E+20
Height 9502520.4756083