21308907 (number)

21308907 is an odd 8-digits composite number following 21308906 and preceding 21308908. In scientific notation, it is written as 2.1308907 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 13720512 positive integers (up to 21308907) that are relatively prime to 21308907.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eight thousand nine hundred seven

Notation

Scientific notation 2.1308907 × 10^7
Engineering notation 2.1308907 × 10^6

Prime Factorization of 21308907

Prime Factorization 3 × 47 × 79 × 1913

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21308907
Product of the distinct prime numbers

The prime factorization of 21308907 is 3 × 47 × 79 × 1913. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 72, 29, 961, 725, 6954, 2831, 72455, 74655, 6336, 485621, 5228439, 5168276, 17897152, 10453948, 558961968, 266394459, 2094682873, 7679357923

Basic calculations (n = 21308907)

Multiplication

n×y
n×2 42617814
n×3 63926721
n×4 85235628
n×5 106544535

Division

n÷y
n÷2 10654453.5
n÷3 7102969
n÷3 5327226.75
n÷5 4261781.4

Exponentiation

ny
n2 454069517534649
n3 9.6757251206807E+21
n4 2.0617912675415E+29
n5 4.3934518373454E+36

Nth Root

y√n
2√n 4616.1571680349
3√n 277.23861760497
4√n 67.942307644316
5√n 29.222154649288

Divisors of 21308907

1, 3, 47, 79, 141, 237, 1913, 3713, 5739, 11139, 89911, 151127, 269733, 453381, 7102969, 21308907

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 -21308906
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 21308907 can be divided by 16 positive divisors. The sum of these divisors (counting 21308907) is 1, the average is 0.0625.

Base conversion 21308907

Base System Value
2 Binary 1010001010010010111101011
3 Ternary 1111002121022210
4 Quaternary 1101102113223
5 Quinary 20423341112
6 Senary 2040420203
8 Octal 121222753
10 Decimal 21308907
12 Duodecimal 7177663
16 Hexadecimal 14525eb
20 Vigesimal 6d3c57
36 Base36 coq23

Cryptographic Hash Functions

md5 c8197ecd0b7612314737defdf4c8e279
sha1 5a823efdce36dfefa3889fd1a7f15f91ab54ecce
sha256 41edd1c85d3ac65f4e99cff0c8409a6650ea9e1677a1abd97470a713be77e0b1
sha512 62249a5ec56c9d7d5f77e46d88ef4147c2ff93599f58a334a8d92c3eb20781e8c435775b43504039ebdbad6da91cf1daa897b57ed471bf3f2b11521f64b10382
ripemd-160 ca0bc20b3a66845d748d4697b71592b51ab15a7b

21308907 as geometric shapes

Circle

Radius = n
Diameter 42617814
Circumference 133887811.37446
Area 1.4265014605059E+15

Sphere

Radius = n
Volume 4.0529582609713E+22
Surface area 5.7060058420237E+15
Circumference 133887811.37446

Square

Length = n
Perimeter 85235628
Area 454069517534649
Diagonal 30135345.278747

Cube

Length = n
Surface area 2724417105207894
Volume 9.6757251206807E+21
Space diagonal 36908109.57776

Equilateral Triangle

Length = n
Perimeter 63926721
Area 1.9661786863457E+14
Altitude 18454054.78888

Triangular Pyramid

Length = n
Surface area 1.9661786863457E+14
Volume 1.1402951409551E+21
Height 10045115.092916