21207906 (number)

21207906 is an even 8-digits composite number following 21207905 and preceding 21207907. In scientific notation, it is written as 2.1207906 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 6609600 positive integers (up to 21207906) that are relatively prime to 21207906.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seven thousand nine hundred six

Notation

Scientific notation 2.1207906 × 10^7
Engineering notation 2.1207906 × 10^6

Prime Factorization of 21207906

Prime Factorization 2 × 3 × 369 × 3 × 31 × 103

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7069302
Product of the distinct prime numbers

The prime factorization of 21207906 is 2 × 3 × 369 × 3 × 31 × 103. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 2, 100, 28, 983, 688, 3199, 859, 47329, 16460, 390181, 526978, 2744728, 8882305, 17056381, 55635906, 800597163, 25462143, 149535910, 9300166275

Basic calculations (n = 21207906)

Multiplication

n×y
n×2 42415812
n×3 63623718
n×4 84831624
n×5 106039530

Division

n÷y
n÷2 10603953
n÷3 7069302
n÷3 5301976.5
n÷5 4241581.2

Exponentiation

ny
n2 449775276904836
n3 9.5387917937217E+21
n4 2.0229779971482E+29
n5 4.2903127203588E+36

Nth Root

y√n
2√n 4605.2042299989
3√n 276.79990066766
4√n 67.861655078541
5√n 29.194400258962

Divisors of 21207906

1, 2, 3, 6, 9, 18, 31, 62, 93, 103, 186, 206, 279, 309, 369, 558, 618, 738, 927, 1107, 1854, 2214, 3193, 3321, 6386, 6642, 9579, 11439, 19158, 22878, 28737, 34317, 38007, 57474, 68634, 76014, 102951, 114021, 205902, 228042, 342063, 684126, 1178217, 2356434, 3534651, 7069302, 10603953, 21207906

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21207905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21207906 can be divided by 48 positive divisors. The sum of these divisors (counting 21207906) is 1, the average is 0.020833333333333.

Base conversion 21207906

Base System Value
2 Binary 1010000111001101101100010
3 Ternary 1110220110210000
4 Quaternary 1100321231202
5 Quinary 20412123111
6 Senary 2034320430
8 Octal 120715542
10 Decimal 21207906
12 Duodecimal 7129116
16 Hexadecimal 1439b62
20 Vigesimal 6cajf6
36 Base36 cmk4i

Cryptographic Hash Functions

md5 4693720b6a6f7ad572dec7bd67796bfc
sha1 e6a479788cdcf9a63607f300484cd6e1e6182031
sha256 a7268166fd6cb05eaf56af10c52359ac7aee64415e8bcd0f035a68cda9307ba1
sha512 4aad35f1a03bfdc979106e194acca43bacaad48617dd79b07d4e796d74d6f4f63ff9322bbc304d81c5e95ecf8df019865dcb4d1dd75d20f94e0577364fa873b2
ripemd-160 1155cd9b3f9b3b7bdada7d8d1c055cfe64a7e64f

21207906 as geometric shapes

Circle

Radius = n
Diameter 42415812
Circumference 133253203.37525
Area 1.4130107056905E+15

Sphere

Radius = n
Volume 3.9955997631038E+22
Surface area 5.6520428227622E+15
Circumference 133253203.37525

Square

Length = n
Perimeter 84831624
Area 449775276904836
Diagonal 29992508.294734

Cube

Length = n
Surface area 2698651661429016
Volume 9.5387917937217E+21
Space diagonal 36733170.714145

Equilateral Triangle

Length = n
Perimeter 63623718
Area 1.9475840789688E+14
Altitude 18366585.357072

Triangular Pyramid

Length = n
Surface area 1.9475840789688E+14
Volume 1.1241573936112E+21
Height 9997502.7649112