20187961 (number)

20187961 is an odd 8-digits prime number following 20187960 and preceding 20187962. In scientific notation, it is written as 2.0187961 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 20187960 positive integers (up to 20187961) that are relatively prime to 20187961.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0187961 × 10^7
Engineering notation 2.0187961 × 10^6

Prime Factorization of 20187961

Prime Factorization 20187961

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20187961
Product of the distinct prime numbers

The prime factorization of 20187961 is 20187961. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187961)

Multiplication

n×y
n×2 40375922
n×3 60563883
n×4 80751844
n×5 100939805

Division

n÷y
n÷2 10093980.5
n÷3 6729320.3333333
n÷3 5046990.25
n÷5 4037592.2

Exponentiation

ny
n2 407553769337521
n3 8.2276796007889E+21
n4 1.6610007490122E+29
n5 3.3532218342029E+36

Nth Root

y√n
2√n 4493.1014900623
3√n 272.28945271466
4√n 67.030601146508
5√n 28.908029645146

Divisors of 20187961

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20187962
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10093981
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4493.101601344
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999009311
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187961 can be divided by 2 positive divisors. The sum of these divisors (counting 20187961) is 20187962, the average is 10093981.

Base conversion 20187961

Base System Value
2 Binary 1001101000000101100111001
3 Ternary 1101222122200021
4 Quaternary 1031000230321
5 Quinary 20132003321
6 Senary 2000410441
8 Octal 115005471
10 Decimal 20187961
12 Duodecimal 6916a21
16 Hexadecimal 1340b39
20 Vigesimal 6639i1
36 Base36 c0p4p

Cryptographic Hash Functions

md5 4552ed0b062ea633539ffc65e683b9b9
sha1 5b95285291d2d0c247483dd00a7fbecdb26ed2a9
sha256 07b231832e049bcf638d8c26851388a53e8cb755be428f78c394dc92c7730721
sha512 6e6b47432f965ab96f6014f092322bdb9c3d60ee72e267c611771a772afb2214577df6897e9347f238e308dab7b4fbd589d8f326cbed0a77ed6c2297d1587f1e
ripemd-160 61b2d347ba86389090da9b570f720f6663d71a9f

20187961 as geometric shapes

Circle

Radius = n
Diameter 40375922
Circumference 126844699.93711
Area 1.2803679276936E+15

Sphere

Radius = n
Volume 3.4464023719905E+22
Surface area 5.1214717107743E+15
Circumference 126844699.93711

Square

Length = n
Perimeter 80751844
Area 407553769337521
Diagonal 28550088.242859

Cube

Length = n
Surface area 2445322616025126
Volume 8.2276796007889E+21
Space diagonal 34966574.153219

Equilateral Triangle

Length = n
Perimeter 60563883
Area 1.764759588272E+14
Altitude 17483287.076609

Triangular Pyramid

Length = n
Surface area 1.764759588272E+14
Volume 9.6964133985801E+20
Height 9516696.080953