21008959 (number)

21008959 is an odd 8-digits composite number following 21008958 and preceding 21008960. In scientific notation, it is written as 2.1008959 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20095504 positive integers (up to 21008959) that are relatively prime to 21008959.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1008959 × 10^7
Engineering notation 2.1008959 × 10^6

Prime Factorization of 21008959

Prime Factorization 23 × 913433

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21008959
Product of the distinct prime numbers

The prime factorization of 21008959 is 23 × 913433. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21008959)

Multiplication

n×y
n×2 42017918
n×3 63026877
n×4 84035836
n×5 105044795

Division

n÷y
n÷2 10504479.5
n÷3 7002986.3333333
n÷3 5252239.75
n÷5 4201791.8

Exponentiation

ny
n2 441376358263681
n3 9.272857814331E+21
n4 1.9481308963411E+29
n5 4.0928202127863E+36

Nth Root

y√n
2√n 4583.5530977616
3√n 275.93164571365
4√n 67.701943087046
5√n 29.139420235885

Divisors of 21008959

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21008958
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21008959 can be divided by 4 positive divisors. The sum of these divisors (counting 21008959) is 1, the average is 0.25.

Base conversion 21008959

Base System Value
2 Binary 1010000001001001000111111
3 Ternary 1110112100212121
4 Quaternary 1100021020333
5 Quinary 20334241314
6 Senary 2030143411
8 Octal 120111077
10 Decimal 21008959
12 Duodecimal 7051b67
16 Hexadecimal 140923f
20 Vigesimal 6b627j
36 Base36 ciam7

Cryptographic Hash Functions

md5 a4b83eebc40d1fdcc5f50f65418e1152
sha1 e300e544e55a39898cc3410303ddacc79e84a537
sha256 dc0f0c384ee18e34449c37e23e1b5a21230314666a8d48bdd2e046abab814616
sha512 c06c51b15979ecb5a53eafea8a5a750220d755648515cdf10ce062ecf3945ed61916149c40a6f55046fc9dd294738864dda831218842b70ea6d9d033382849cb
ripemd-160 a10094176b61d3ed2e9eb1fa626fec01aac673e1

21008959 as geometric shapes

Circle

Radius = n
Diameter 42017918
Circumference 132003182.50794
Area 1.3866247245894E+15

Sphere

Radius = n
Volume 3.8842055983047E+22
Surface area 5.5464988983576E+15
Circumference 132003182.50794

Square

Length = n
Perimeter 84035836
Area 441376358263681
Diagonal 29711154.74914

Cube

Length = n
Surface area 2648258149582086
Volume 9.272857814331E+21
Space diagonal 36388584.402131

Equilateral Triangle

Length = n
Perimeter 63026877
Area 1.911215694431E+14
Altitude 18194292.201066

Triangular Pyramid

Length = n
Surface area 1.911215694431E+14
Volume 1.092816773582E+21
Height 9903718.2497134