21431188 (number)

21431188 is an even 8-digits composite number following 21431187 and preceding 21431189. In scientific notation, it is written as 2.1431188 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10706072 positive integers (up to 21431188) that are relatively prime to 21431188.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand one hundred eighty-eight

Notation

Scientific notation 2.1431188 × 10^7
Engineering notation 2.1431188 × 10^6

Prime Factorization of 21431188

Prime Factorization 2 × 2 × 2939 × 1823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10715594
Product of the distinct prime numbers

The prime factorization of 21431188 is 2 × 2 × 2939 × 1823. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 45, 55, 628, 949, 3982, 9937, 60635, 26610, 449433, 824943, 4845717, 3824606, 92222639, 18388388, 197177372, 459005996, 4630612912, 742884382

Basic calculations (n = 21431188)

Multiplication

n×y
n×2 42862376
n×3 64293564
n×4 85724752
n×5 107155940

Division

n÷y
n÷2 10715594
n÷3 7143729.3333333
n÷3 5357797
n÷5 4286237.6

Exponentiation

ny
n2 459295819091344
n3 9.8432550465606E+21
n4 2.1095264943479E+29
n5 4.520965889135E+36

Nth Root

y√n
2√n 4629.3831122516
3√n 277.76791699514
4√n 68.039570194495
5√n 29.255616151991

Divisors of 21431188

1, 2, 4, 1823, 2939, 3646, 5878, 7292, 11756, 5357797, 10715594, 21431188

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21431187
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431188 can be divided by 12 positive divisors. The sum of these divisors (counting 21431188) is 1, the average is 0.083333333333333.

Base conversion 21431188

Base System Value
2 Binary 1010001110000001110010100
3 Ternary 1111022211001201
4 Quaternary 1101300032110
5 Quinary 20441244223
6 Senary 2043202244
8 Octal 121601624
10 Decimal 21431188
12 Duodecimal 7216384
16 Hexadecimal 1470394
20 Vigesimal 6dihj8
36 Base36 crces

Cryptographic Hash Functions

md5 bfccc74c601d4f9d0b9cfae39c8e8588
sha1 10e03ef3bb7b2be4157cded11fb9fff9d290be38
sha256 9913aa4a7c37824f0a522c0c22d30840e7d006754cfffdf1d655360833633c6a
sha512 ebddadf5c6826e927efbdd767346e8c54b7351fa2add569d4d8a3609d4c854f40b582aa3cc5c908f0a8fbccd30ac3d495f676871812dc5421245365e27180012
ripemd-160 d269ec62c097c2ca38959b0d827044d7fd1625fc

21431188 as geometric shapes

Circle

Radius = n
Diameter 42862376
Circumference 134656125.557
Area 1.4429203710819E+15

Sphere

Radius = n
Volume 4.1231330322247E+22
Surface area 5.7716814843275E+15
Circumference 134656125.557

Square

Length = n
Perimeter 85724752
Area 459295819091344
Diagonal 30308276.727368

Cube

Length = n
Surface area 2755774914548064
Volume 9.8432550465606E+21
Space diagonal 37119906.48256

Equilateral Triangle

Length = n
Perimeter 64293564
Area 1.9888092359254E+14
Altitude 18559953.24128

Triangular Pyramid

Length = n
Surface area 1.9888092359254E+14
Volume 1.1600387320619E+21
Height 10102758.909123