21008001 (number)

21008001 is an odd 8-digits composite number following 21008000 and preceding 21008002. In scientific notation, it is written as 2.1008001 × 10^7. The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors. There are 12004560 positive integers (up to 21008001) that are relatively prime to 21008001.

Interesting facts

Basic properties

Name

Name twenty-one million eight thousand one

Notation

Scientific notation 2.1008001 × 10^7
Engineering notation 2.1008001 × 10^6

Prime Factorization of 21008001

Prime Factorization 7 × 3 × 1000381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21008001
Product of the distinct prime numbers

The prime factorization of 21008001 is 7 × 3 × 1000381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21008001)

Multiplication

n×y
n×2 42016002
n×3 63024003
n×4 84032004
n×5 105040005

Division

n÷y
n÷2 10504000.5
n÷3 7002667
n÷3 5252000.25
n÷5 4201600.2

Exponentiation

ny
n2 441336106016001
n3 9.2715893565203E+21
n4 1.9477755847337E+29
n5 4.091887143186E+36

Nth Root

y√n
2√n 4583.4485924902
3√n 275.92745152622
4√n 67.701171278569
5√n 29.139154481891

Divisors of 21008001

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21008000
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21008001 can be divided by 8 positive divisors. The sum of these divisors (counting 21008001) is 1, the average is 0.125.

Base conversion 21008001

Base System Value
2 Binary 1010000001000111010000001
3 Ternary 1110112022120010
4 Quaternary 1100020322001
5 Quinary 20334224001
6 Senary 2030135133
8 Octal 120107201
10 Decimal 21008001
12 Duodecimal 70514a9
16 Hexadecimal 1408e81
20 Vigesimal 6b6001
36 Base36 ci9vl

Cryptographic Hash Functions

md5 147f32ba93566109df289828867eec65
sha1 ad843eacd1a15020b51105331dd4dba2b3fa9802
sha256 b8c949a53ab538b093900f17799a677672f8382dc6b96be03e4d6df29ced479f
sha512 fecff8037076100d79b5785aac8322170000801e3ffc607af47316ea4b341191bf0b0c5897a98dcf70ccd9bb4837fd2a670aee236c930e88a781b9b9165ab450
ripemd-160 0b644407063cec739a052f5f8bafb4cb34038b17

21008001 as geometric shapes

Circle

Radius = n
Diameter 42016002
Circumference 131997163.21641
Area 1.3864982684238E+15

Sphere

Radius = n
Volume 3.8836742679394E+22
Surface area 5.5459930736952E+15
Circumference 131997163.21641

Square

Length = n
Perimeter 84032004
Area 441336106016001
Diagonal 29709799.932548

Cube

Length = n
Surface area 2648016636096006
Volume 9.2715893565203E+21
Space diagonal 36386925.097458

Equilateral Triangle

Length = n
Perimeter 63024003
Area 1.9110413970858E+14
Altitude 18193462.548729

Triangular Pyramid

Length = n
Surface area 1.9110413970858E+14
Volume 1.0926672843954E+21
Height 9903266.6441825