20157989 (number)

20157989 is an odd 8-digits composite number following 20157988 and preceding 20157990. In scientific notation, it is written as 2.0157989 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 20118924 positive integers (up to 20157989) that are relatively prime to 20157989.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand nine hundred eighty-nine

Notation

Scientific notation 2.0157989 × 10^7
Engineering notation 2.0157989 × 10^6

Prime Factorization of 20157989

Prime Factorization 523 × 38543

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20157989
Product of the distinct prime numbers

The prime factorization of 20157989 is 523 × 38543. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 28, 51, 714, 786, 5400, 5421, 33103, 83176, 286036, 529750, 9675363, 1732161, 66359240, 88765738, 947927275, 175132145, 2261671819, 5203336925

Basic calculations (n = 20157989)

Multiplication

n×y
n×2 40315978
n×3 60473967
n×4 80631956
n×5 100789945

Division

n÷y
n÷2 10078994.5
n÷3 6719329.6666667
n÷3 5039497.25
n÷5 4031597.8

Exponentiation

ny
n2 406344520524121
n3 8.1910883749355E+21
n4 1.6511586935998E+29
n5 3.3284038782839E+36

Nth Root

y√n
2√n 4489.7649158948
3√n 272.1546347147
4√n 67.005708084422
5√n 28.899440898008

Divisors of 20157989

1, 523, 38543, 20157989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20157988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157989 can be divided by 4 positive divisors. The sum of these divisors (counting 20157989) is 1, the average is 0.25.

Base conversion 20157989

Base System Value
2 Binary 1001100111001011000100101
3 Ternary 1101221010120012
4 Quaternary 1030321120211
5 Quinary 20130023424
6 Senary 2000020005
8 Octal 114713045
10 Decimal 20157989
12 Duodecimal 6901605
16 Hexadecimal 1339625
20 Vigesimal 65jej9
36 Base36 c0205

Cryptographic Hash Functions

md5 071051b4191f1f1fff272e8a4774019d
sha1 1e2ea3a230216240aade513c48d362cf81788e63
sha256 249aaa69069c40fe7dcb9f241bab08e3085da51cf1d16d56aaf53c7e912b4f7e
sha512 1ab9305eacd3f84403d16d4c6a2e1759df92a151bc0041ec65bcbc2a87975744f3f056355d5b5615b389adc263bfe8e53f94ddf128e6e8406650df2656ac9766
ripemd-160 05bbd5d2378a51e98ad8908cc7c963644da424b6

20157989 as geometric shapes

Circle

Radius = n
Diameter 40315978
Circumference 126656380.30709
Area 1.276568960505E+15

Sphere

Radius = n
Volume 3.431075075147E+22
Surface area 5.1062758420202E+15
Circumference 126656380.30709

Square

Length = n
Perimeter 80631956
Area 406344520524121
Diagonal 28507701.433968

Cube

Length = n
Surface area 2438067123144726
Volume 8.1910883749355E+21
Space diagonal 34914661.126415

Equilateral Triangle

Length = n
Perimeter 60473967
Area 1.7595233873125E+14
Altitude 17457330.563207

Triangular Pyramid

Length = n
Surface area 1.7595233873125E+14
Volume 9.6532902253587E+20
Height 9502567.1446559