21167987 (number)

21167987 is an odd 8-digits prime number following 21167986 and preceding 21167988. In scientific notation, it is written as 2.1167987 × 10^7. The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors. There are 21167986 positive integers (up to 21167987) that are relatively prime to 21167987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1167987 × 10^7
Engineering notation 2.1167987 × 10^6

Prime Factorization of 21167987

Prime Factorization 21167987

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21167987
Product of the distinct prime numbers

The prime factorization of 21167987 is 21167987. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 2, 14, 11, 448, 925, 8956, 5435, 31683, 19665, 345086, 223917, 9888284, 7398284, 51309188, 87046144, 129126043, 317794302, 8365813487, 9711450479

Basic calculations (n = 21167987)

Multiplication

n×y
n×2 42335974
n×3 63503961
n×4 84671948
n×5 105839935

Division

n÷y
n÷2 10583993.5
n÷3 7055995.6666667
n÷3 5291996.75
n÷5 4233597.4

Exponentiation

ny
n2 448083673632169
n3 9.485029378358E+21
n4 2.007789785757E+29
n5 4.2500868083637E+36

Nth Root

y√n
2√n 4600.8680702667
3√n 276.62612089493
4√n 67.829699028278
5√n 29.183401627569

Divisors of 21167987

1, 21167987

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21167988
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10583994
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4600.8681789419
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999055177
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21167987 can be divided by 2 positive divisors. The sum of these divisors (counting 21167987) is 21167988, the average is 10583994.

Base conversion 21167987

Base System Value
2 Binary 1010000101111111101110011
3 Ternary 1110211110000112
4 Quaternary 1100233331303
5 Quinary 20404333422
6 Senary 2033411535
8 Octal 120577563
10 Decimal 21167987
12 Duodecimal 7109bab
16 Hexadecimal 142ff73
20 Vigesimal 6c5jj7
36 Base36 clpbn

Cryptographic Hash Functions

md5 a52ed4e6eaf6e73f85f4e0163aa644c4
sha1 3dd66b773738cf79d7aa2262aa8ad4b1282db893
sha256 937830c0cc308031e65933ccc8c07745d8f40838231e6583464877bf85f90cd5
sha512 5ee31724d7454c4d2268ceca542d7ab5908a39a1437d769cc564932cc3c7d2565427035ac1d849339767fd5bc98c5d72d8c269de0f48a1d4e370451ebf545a7e
ripemd-160 a23368cc0b33caf54e3b60409f6205384a15f1db

21167987 as geometric shapes

Circle

Radius = n
Diameter 42335974
Circumference 133002384.90097
Area 1.4076963772763E+15

Sphere

Radius = n
Volume 3.9730798152177E+22
Surface area 5.6307855091054E+15
Circumference 133002384.90097

Square

Length = n
Perimeter 84671948
Area 448083673632169
Diagonal 29936054.303537

Cube

Length = n
Surface area 2688502041793014
Volume 9.485029378358E+21
Space diagonal 36664028.977957

Equilateral Triangle

Length = n
Perimeter 63503961
Area 1.9402592219326E+14
Altitude 18332014.488979

Triangular Pyramid

Length = n
Surface area 1.9402592219326E+14
Volume 1.1178214321984E+21
Height 9978684.7678458