20157729 (number)

20157729 is an odd 8-digits composite number following 20157728 and preceding 20157730. In scientific notation, it is written as 2.0157729 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 12854160 positive integers (up to 20157729) that are relatively prime to 20157729.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0157729 × 10^7
Engineering notation 2.0157729 × 10^6

Prime Factorization of 20157729

Prime Factorization 3 × 23 × 292141

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20157729
Product of the distinct prime numbers

The prime factorization of 20157729 is 3 × 23 × 292141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157729)

Multiplication

n×y
n×2 40315458
n×3 60473187
n×4 80630916
n×5 100788645

Division

n÷y
n÷2 10078864.5
n÷3 6719243
n÷3 5039432.25
n÷5 4031545.8

Exponentiation

ny
n2 406334038437441
n3 8.1907714302975E+21
n4 1.6510735079288E+29
n5 3.3281892331908E+36

Nth Root

y√n
2√n 4489.7359610561
3√n 272.15346461601
4√n 67.005492021595
5√n 28.899366347978

Divisors of 20157729

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 -20157728
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 20157729 can be divided by 8 positive divisors. The sum of these divisors (counting 20157729) is 1, the average is 0.125.

Base conversion 20157729

Base System Value
2 Binary 1001100111001010100100001
3 Ternary 1101221010012120
4 Quaternary 1030321110201
5 Quinary 20130021404
6 Senary 2000014453
8 Octal 114712441
10 Decimal 20157729
12 Duodecimal 6901429
16 Hexadecimal 1339521
20 Vigesimal 65je69
36 Base36 c01sx

Cryptographic Hash Functions

md5 cf599e9ba5ecbd8c2c00a15f8a835f70
sha1 3bf79c68c73ef928f505a58dda4648a101b2359e
sha256 4e70c3b65f5a702ec0026a227cc684458c80397bfe0b0b71cdf935c0dc4f8c48
sha512 1032ac7a18596dc1c7c092df317a1e5a7737cd1ec58654c3e23ef54ab26514005e244e2419cb5458dfaf7a2b2adca446a373293e5ce69e262e83a63716d12b8c
ripemd-160 df726029dce919e0005053bc37d06b4a2ad54fbf

20157729 as geometric shapes

Circle

Radius = n
Diameter 40315458
Circumference 126654746.67891
Area 1.2765360300585E+15

Sphere

Radius = n
Volume 3.4309423136874E+22
Surface area 5.1061441202341E+15
Circumference 126654746.67891

Square

Length = n
Perimeter 80630916
Area 406334038437441
Diagonal 28507333.738441

Cube

Length = n
Surface area 2438004230624646
Volume 8.1907714302975E+21
Space diagonal 34914210.793205

Equilateral Triangle

Length = n
Perimeter 60473187
Area 1.7594779985457E+14
Altitude 17457105.396602

Triangular Pyramid

Length = n
Surface area 1.7594779985457E+14
Volume 9.6529167025207E+20
Height 9502444.5794805