20120857 (number)

20120857 is an odd 8-digits composite number following 20120856 and preceding 20120858. In scientific notation, it is written as 2.0120857 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20105856 positive integers (up to 20120857) that are relatively prime to 20120857.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0120857 × 10^7
Engineering notation 2.0120857 × 10^6

Prime Factorization of 20120857

Prime Factorization 1489 × 13513

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20120857
Product of the distinct prime numbers

The prime factorization of 20120857 is 1489 × 13513. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120857)

Multiplication

n×y
n×2 40241714
n×3 60362571
n×4 80483428
n×5 100604285

Division

n÷y
n÷2 10060428.5
n÷3 6706952.3333333
n÷3 5030214.25
n÷5 4024171.4

Exponentiation

ny
n2 404848886414449
n3 8.1459065501544E+21
n4 1.6390262083102E+29
n5 3.2978611956662E+36

Nth Root

y√n
2√n 4485.6278267373
3√n 271.98742462767
4√n 66.974829799988
5√n 28.888786208286

Divisors of 20120857

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 -20120856
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 20120857 can be divided by 4 positive divisors. The sum of these divisors (counting 20120857) is 1, the average is 0.25.

Base conversion 20120857

Base System Value
2 Binary 1001100110000010100011001
3 Ternary 1101212020121221
4 Quaternary 1030300110121
5 Quinary 20122331412
6 Senary 1555132041
8 Octal 114602431
10 Decimal 20120857
12 Duodecimal 68a4021
16 Hexadecimal 1330519
20 Vigesimal 65f22h
36 Base36 bz9cp

Cryptographic Hash Functions

md5 d98ba75a2544fd73a9abdff8ad69b72e
sha1 21b01868d80e8c6899bdea5e062f66e1c146d5dd
sha256 61492dabdc176a2cae5b67d41a55a9354c4ac852f931e31649a99cfe5b1e71fa
sha512 655cf140bba857bf41b476695109d0f651913768a7462f03f496ccee036f895d53cda684a3c34144b5e0c151fc4244429228acc96585ae43c5c8f3f981736f64
ripemd-160 b795637cc673f1bd905ecefca04d5db872f7eb02

20120857 as geometric shapes

Circle

Radius = n
Diameter 40241714
Circumference 126423073.07026
Area 1.2718702873736E+15

Sphere

Radius = n
Volume 3.4121493566392E+22
Surface area 5.0874811494946E+15
Circumference 126423073.07026

Square

Length = n
Perimeter 80483428
Area 404848886414449
Diagonal 28455188.85597

Cube

Length = n
Surface area 2429093318486694
Volume 8.1459065501544E+21
Space diagonal 34850346.615828

Equilateral Triangle

Length = n
Perimeter 60362571
Area 1.7530471016438E+14
Altitude 17425173.307914

Triangular Pyramid

Length = n
Surface area 1.7530471016438E+14
Volume 9.6000429342101E+20
Height 9485062.9519899