20157789 (number)

20157789 is an odd 8-digits composite number following 20157788 and preceding 20157790. In scientific notation, it is written as 2.0157789 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13363920 positive integers (up to 20157789) that are relatively prime to 20157789.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0157789 × 10^7
Engineering notation 2.0157789 × 10^6

Prime Factorization of 20157789

Prime Factorization 3 × 181 × 37123

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20157789
Product of the distinct prime numbers

The prime factorization of 20157789 is 3 × 181 × 37123. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157789)

Multiplication

n×y
n×2 40315578
n×3 60473367
n×4 80631156
n×5 100788945

Division

n÷y
n÷2 10078894.5
n÷3 6719263
n÷3 5039447.25
n÷5 4031557.8

Exponentiation

ny
n2 406336457368521
n3 8.1908445706421E+21
n4 1.651093165868E+29
n5 3.3282387656909E+36

Nth Root

y√n
2√n 4489.7426429585
3√n 272.15373463968
4√n 67.005541882433
5√n 28.899383551899

Divisors of 20157789

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 -20157788
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 20157789 can be divided by 8 positive divisors. The sum of these divisors (counting 20157789) is 1, the average is 0.125.

Base conversion 20157789

Base System Value
2 Binary 1001100111001010101011101
3 Ternary 1101221010021210
4 Quaternary 1030321111131
5 Quinary 20130022124
6 Senary 2000015033
8 Octal 114712535
10 Decimal 20157789
12 Duodecimal 6901479
16 Hexadecimal 133955d
20 Vigesimal 65je99
36 Base36 c01ul

Cryptographic Hash Functions

md5 4e3d4f99e031e4d2a57efa983c7ec66e
sha1 d138e785c36ce1ab4eb89d246dc750c8589326f3
sha256 284bb93d7285cef052a5cd9627fcd17c707c03a8eaad29c31664294d3b5e5f54
sha512 8728006a89a343f0ba017713e90593b46eccd6f884f0613a53d7f96ccf94012be2f99cfc7b3b6e736bde633911fa8de9913867aa17d311aefbc92d26553b22eb
ripemd-160 bdc627ed3c5f5b9845d872dd244f36f0e522864f

20157789 as geometric shapes

Circle

Radius = n
Diameter 40315578
Circumference 126655123.67003
Area 1.2765436293546E+15

Sphere

Radius = n
Volume 3.4309729506434E+22
Surface area 5.1061745174186E+15
Circumference 126655123.67003

Square

Length = n
Perimeter 80631156
Area 406336457368521
Diagonal 28507418.591255

Cube

Length = n
Surface area 2438018744211126
Volume 8.1908445706421E+21
Space diagonal 34914314.716253

Equilateral Triangle

Length = n
Perimeter 60473367
Area 1.7594884728246E+14
Altitude 17457157.358127

Triangular Pyramid

Length = n
Surface area 1.7594884728246E+14
Volume 9.6530028992435E+20
Height 9502472.8637517