21308908 (number)

21308908 is an even 8-digits composite number following 21308907 and preceding 21308909. In scientific notation, it is written as 2.1308908 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 10342080 positive integers (up to 21308908) that are relatively prime to 21308908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1308908 × 10^7
Engineering notation 2.1308908 × 10^6

Prime Factorization of 21308908

Prime Factorization 2 × 2 × 23263 × 229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10654454
Product of the distinct prime numbers

The prime factorization of 21308908 is 2 × 2 × 23263 × 229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 59, 41, 828, 454, 6749, 3672, 54017, 54991, 60547, 664879, 352759, 4908497, 55518972, 38736781, 553045305, 831107579, 7940324211, 6525020332

Basic calculations (n = 21308908)

Multiplication

n×y
n×2 42617816
n×3 63926724
n×4 85235632
n×5 106544540

Division

n÷y
n÷2 10654454
n÷3 7102969.3333333
n÷3 5327227
n÷5 4261781.6

Exponentiation

ny
n2 454069560152464
n3 9.6757264828893E+21
n4 2.0617916545705E+29
n5 4.3934528682411E+36

Nth Root

y√n
2√n 4616.1572763501
3√n 277.23862194179
4√n 67.942308441428
5√n 29.22215492356

Divisors of 21308908

1, 2, 4, 229, 458, 916, 23263, 46526, 93052, 5327227, 10654454, 21308908

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 -21308907
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 21308908 can be divided by 12 positive divisors. The sum of these divisors (counting 21308908) is 1, the average is 0.083333333333333.

Base conversion 21308908

Base System Value
2 Binary 1010001010010010111101100
3 Ternary 1111002121022211
4 Quaternary 1101102113230
5 Quinary 20423341113
6 Senary 2040420204
8 Octal 121222754
10 Decimal 21308908
12 Duodecimal 7177664
16 Hexadecimal 14525ec
20 Vigesimal 6d3c58
36 Base36 coq24

Cryptographic Hash Functions

md5 bcf395edaed2e381b2989bd36cb850fd
sha1 c6c6e2a2da2d6e735a1889b83e7af8cf814aeced
sha256 07c41f240aa8d0098b640d8dbb11885ea278c8012d3e4f6c24a777cc7b18d88c
sha512 79ea75c7aacca0bc10204f2a5486563d822724d19a78eb4257c673dae5ef1ca3818e18ce6cde3f95f3bbc2a26932d510fa18bb594dbe1e5a2c75c8f33cb2b938
ripemd-160 b86fdaf7812e5a4ef32681127e109a14fd07f269

21308908 as geometric shapes

Circle

Radius = n
Diameter 42617816
Circumference 133887817.65764
Area 1.4265015943937E+15

Sphere

Radius = n
Volume 4.0529588315719E+22
Surface area 5.7060063775749E+15
Circumference 133887817.65764

Square

Length = n
Perimeter 85235632
Area 454069560152464
Diagonal 30135346.692961

Cube

Length = n
Surface area 2724417360914784
Volume 9.6757264828893E+21
Space diagonal 36908111.309811

Equilateral Triangle

Length = n
Perimeter 63926724
Area 1.9661788708863E+14
Altitude 18454055.654905

Triangular Pyramid

Length = n
Surface area 1.9661788708863E+14
Volume 1.1402953014929E+21
Height 10045115.56432