20137891 (number)

20137891 is an odd 8-digits composite number following 20137890 and preceding 20137892. In scientific notation, it is written as 2.0137891 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 19077984 positive integers (up to 20137891) that are relatively prime to 20137891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0137891 × 10^7
Engineering notation 2.0137891 × 10^6

Prime Factorization of 20137891

Prime Factorization 19 × 1059889

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20137891
Product of the distinct prime numbers

The prime factorization of 20137891 is 19 × 1059889. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20137891)

Multiplication

n×y
n×2 40275782
n×3 60413673
n×4 80551564
n×5 100689455

Division

n÷y
n÷2 10068945.5
n÷3 6712630.3333333
n÷3 5034472.75
n÷5 4027578.2

Exponentiation

ny
n2 405534653927881
n3 8.1666126575224E+21
n4 1.6445835553641E+29
n5 3.3118444378314E+36

Nth Root

y√n
2√n 4487.5261559126
3√n 272.06415639888
4√n 66.989000260585
5√n 28.893675910847

Divisors of 20137891

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 -20137890
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 20137891 can be divided by 4 positive divisors. The sum of these divisors (counting 20137891) is 1, the average is 0.25.

Base conversion 20137891

Base System Value
2 Binary 1001100110100011110100011
3 Ternary 1101220002222211
4 Quaternary 1030310132203
5 Quinary 20123403031
6 Senary 1555342551
8 Octal 114643643
10 Decimal 20137891
12 Duodecimal 68b1a57
16 Hexadecimal 13347a3
20 Vigesimal 65h4eb
36 Base36 bzmhv

Cryptographic Hash Functions

md5 37781f57b1e282ad0934ca0080cfc18a
sha1 f484d9c9887be05a56c49ef0c3f15383e4dd724c
sha256 20877f49378ff38a8727e1f6d3b6fd80bb797b123899e51ef4dd4432f4701e22
sha512 7c0ec00eaf9151c2e70309a0a2375365d6c92f75f9ac09a2ac7c04f85c8741268953987903363ed39c7ef680568bfd539f97ce21de459dd275900b696aebea02
ripemd-160 15acc762cd03e208229885eb0fded8de63c3079e

20137891 as geometric shapes

Circle

Radius = n
Diameter 40275782
Circumference 126530100.84878
Area 1.2740246895559E+15

Sphere

Radius = n
Volume 3.4208227106114E+22
Surface area 5.0960987582236E+15
Circumference 126530100.84878

Square

Length = n
Perimeter 80551564
Area 405534653927881
Diagonal 28479278.569791

Cube

Length = n
Surface area 2433207923567286
Volume 8.1666126575224E+21
Space diagonal 34879850.369284

Equilateral Triangle

Length = n
Perimeter 60413673
Area 1.7560165620824E+14
Altitude 17439925.184642

Triangular Pyramid

Length = n
Surface area 1.7560165620824E+14
Volume 9.6244453157633E+20
Height 9493092.856597