21931470 (number)

21931470 is an even 8-digits composite number following 21931469 and preceding 21931471. In scientific notation, it is written as 2.1931470 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 5316480 positive integers (up to 21931470) that are relatively prime to 21931470.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand four hundred seventy

Notation

Scientific notation 2.1931470 × 10^7
Engineering notation 2.1931470 × 10^6

Prime Factorization of 21931470

Prime Factorization 2 × 9 × 55 × 22153

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21931470
Product of the distinct prime numbers

The prime factorization of 21931470 is 2 × 9 × 55 × 22153. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 74, 4, 885, 491, 5176, 5468, 61294, 27323, 700286, 390939, 5439112, 3487976, 58868523, 65865742, 725498804, 582831687, 6309570289, 2753447707

Basic calculations (n = 21931470)

Multiplication

n×y
n×2 43862940
n×3 65794410
n×4 87725880
n×5 109657350

Division

n÷y
n÷2 10965735
n÷3 7310490
n÷3 5482867.5
n÷5 4386294

Exponentiation

ny
n2 480989376360900
n3 1.0548804077978E+22
n4 2.3135078017205E+29
n5 5.0738626948199E+36

Nth Root

y√n
2√n 4683.1047393796
3√n 279.91268535984
4√n 68.433213715123
5√n 29.390944888742

Divisors of 21931470

1, 2, 9, 18, 55, 110, 495, 990, 22153, 44306, 199377, 398754, 1218415, 2436830, 10965735, 21931470

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931469
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931470 can be divided by 16 positive divisors. The sum of these divisors (counting 21931470) is 1, the average is 0.0625.

Base conversion 21931470

Base System Value
2 Binary 1010011101010010111001110
3 Ternary 1112021020022200
4 Quaternary 1103222113032
5 Quinary 21103301340
6 Senary 2102022330
8 Octal 123522716
10 Decimal 21931470
12 Duodecimal 74179a6
16 Hexadecimal 14ea5ce
20 Vigesimal 6h18da
36 Base36 d22fi

Cryptographic Hash Functions

md5 f7607e10aff3c0de4ca759170383cbb7
sha1 ef6cd2dee96b3384f55fa1443241afbf3d74ab2d
sha256 387cb33d491b19bb92edd372e0f46aad6605f8320029b7cd136b69b423b7f91c
sha512 37d3b34db1ad3005404c9a1f80006e4ac3b0a034baca65f04029be4a567950586dbdbf07ee8fa0b182f1f8b7ce2c0be0d5732048b69722326fdc2dfd2649ca64
ripemd-160 23b3d636d2a87f1776c2b6ea1dafca6bf1ca975c

21931470 as geometric shapes

Circle

Radius = n
Diameter 43862940
Circumference 137799490.06885
Area 1.5110726912301E+15

Sphere

Radius = n
Volume 4.4186727194044E+22
Surface area 6.0442907649206E+15
Circumference 137799490.06885

Square

Length = n
Perimeter 87725880
Area 480989376360900
Diagonal 31015782.316779

Cube

Length = n
Surface area 2885936258165400
Volume 1.0548804077978E+22
Space diagonal 37986420.324673

Equilateral Triangle

Length = n
Perimeter 65794410
Area 2.0827450943949E+14
Altitude 18993210.162336

Triangular Pyramid

Length = n
Surface area 2.0827450943949E+14
Volume 1.2431884828244E+21
Height 10338594.105593