20187691 (number)

20187691 is an odd 8-digits composite number following 20187690 and preceding 20187692. In scientific notation, it is written as 2.0187691 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 19991592 positive integers (up to 20187691) that are relatively prime to 20187691.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand six hundred ninety-one

Notation

Scientific notation 2.0187691 × 10^7
Engineering notation 2.0187691 × 10^6

Prime Factorization of 20187691

Prime Factorization 103 × 195997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20187691
Product of the distinct prime numbers

The prime factorization of 20187691 is 103 × 195997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187691)

Multiplication

n×y
n×2 40375382
n×3 60563073
n×4 80750764
n×5 100938455

Division

n÷y
n÷2 10093845.5
n÷3 6729230.3333333
n÷3 5046922.75
n÷5 4037538.2

Exponentiation

ny
n2 407542867911481
n3 8.2273494866508E+21
n4 1.6609118918551E+29
n5 3.3529976050997E+36

Nth Root

y√n
2√n 4493.0714439012
3√n 272.28823881495
4√n 67.030377023415
5√n 28.907952319757

Divisors of 20187691

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 -20187690
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 20187691 can be divided by 4 positive divisors. The sum of these divisors (counting 20187691) is 1, the average is 0.25.

Base conversion 20187691

Base System Value
2 Binary 1001101000000101000101011
3 Ternary 1101222122022021
4 Quaternary 1031000220223
5 Quinary 20132001231
6 Senary 2000405311
8 Octal 115005053
10 Decimal 20187691
12 Duodecimal 6916837
16 Hexadecimal 1340a2b
20 Vigesimal 66394b
36 Base36 c0ox7

Cryptographic Hash Functions

md5 52f99bcc502488e81e3611d705acb348
sha1 98c532552c8a29ccc275b776618b2f774f6b21c3
sha256 da82c26be6943d35694fc641f09d6055c08f15b24fd581025af689b3781e9112
sha512 ea736939ae297af28f84abe4c4d151c09b621305a93280d35a523dfbb2e5beb03b720f1b8b528f64f2ac774316e07d57a4543d5bfc30847c095c3a0636c9ee84
ripemd-160 995e67d96572c5a334a6f42ecee17ff22d4914e3

20187691 as geometric shapes

Circle

Radius = n
Diameter 40375382
Circumference 126843003.47708
Area 1.2803336798536E+15

Sphere

Radius = n
Volume 3.4462640941037E+22
Surface area 5.1213347194145E+15
Circumference 126843003.47708

Square

Length = n
Perimeter 80750764
Area 407542867911481
Diagonal 28549706.405197

Cube

Length = n
Surface area 2445257207468886
Volume 8.2273494866508E+21
Space diagonal 34966106.499501

Equilateral Triangle

Length = n
Perimeter 60563073
Area 1.7647123837125E+14
Altitude 17483053.24975

Triangular Pyramid

Length = n
Surface area 1.7647123837125E+14
Volume 9.6960243553374E+20
Height 9516568.8017324