21346987 (number)

21346987 is an odd 8-digits composite number following 21346986 and preceding 21346988. In scientific notation, it is written as 2.1346987 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 20561184 positive integers (up to 21346987) that are relatively prime to 21346987.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred forty-six thousand nine hundred eighty-seven

Notation

Scientific notation 2.1346987 × 10^7
Engineering notation 2.1346987 × 10^6

Prime Factorization of 21346987

Prime Factorization 29 × 659 × 1117

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21346987
Product of the distinct prime numbers

The prime factorization of 21346987 is 29 × 659 × 1117. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21346987)

Multiplication

n×y
n×2 42693974
n×3 64040961
n×4 85387948
n×5 106734935

Division

n÷y
n÷2 10673493.5
n÷3 7115662.3333333
n÷3 5336746.75
n÷5 4269397.4

Exponentiation

ny
n2 455693853978169
n3 9.7276907768519E+21
n4 2.0765688855348E+29
n5 4.4328489004115E+36

Nth Root

y√n
2√n 4620.279969872
3√n 277.40366539511
4√n 67.972641333642
5√n 29.232591459261

Divisors of 21346987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21346986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21346987 can be divided by 8 positive divisors. The sum of these divisors (counting 21346987) is 1, the average is 0.125.

Base conversion 21346987

Base System Value
2 Binary 1010001011011101010101011
3 Ternary 1111011112120011
4 Quaternary 1101123222223
5 Quinary 20431100422
6 Senary 2041312351
8 Octal 121335253
10 Decimal 21346987
12 Duodecimal 71956b7
16 Hexadecimal 145baab
20 Vigesimal 6d8797
36 Base36 cpjfv

Cryptographic Hash Functions

md5 4c48298872fd64eb3535dec0cbbd7bf6
sha1 ebb44390f105a4c478cd3f82be0e80d9ffe082c1
sha256 d0234eb07ea513424d4578eee5935ea1a1c1a8dbfc34d55b72b2fadd9cba8590
sha512 3207690142285d4b6beb4b36436326253bdba34c0c5ad18d7a447837bcfc2155dc9a888c6b1948e0399ee0593ad05158335a7a17719681474f6f82383391dfe0
ripemd-160 716d144be768679fcc3249c0ab464689c5126a6c

21346987 as geometric shapes

Circle

Radius = n
Diameter 42693974
Circumference 134127075.07095
Area 1.4316044639438E+15

Sphere

Radius = n
Volume 4.0747255841268E+22
Surface area 5.7264178557753E+15
Circumference 134127075.07095

Square

Length = n
Perimeter 85387948
Area 455693853978169
Diagonal 30189198.531202

Cube

Length = n
Surface area 2734163123869014
Volume 9.7276907768519E+21
Space diagonal 36974066.072512

Equilateral Triangle

Length = n
Perimeter 64040961
Area 1.9732122694677E+14
Altitude 18487033.036256

Triangular Pyramid

Length = n
Surface area 1.9732122694677E+14
Volume 1.1464193522663E+21
Height 10063066.177067