21072015 (number)

21072015 is an odd 8-digits composite number following 21072014 and preceding 21072016. In scientific notation, it is written as 2.1072015 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 11238336 positive integers (up to 21072015) that are relatively prime to 21072015.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-two thousand fifteen

Notation

Scientific notation 2.1072015 × 10^7
Engineering notation 2.1072015 × 10^6

Prime Factorization of 21072015

Prime Factorization 45 × 3 × 156089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21072015
Product of the distinct prime numbers

The prime factorization of 21072015 is 45 × 3 × 156089. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21072015)

Multiplication

n×y
n×2 42144030
n×3 63216045
n×4 84288060
n×5 105360075

Division

n÷y
n÷2 10536007.5
n÷3 7024005
n÷3 5268003.75
n÷5 4214403

Exponentiation

ny
n2 444029816160225
n3 9.3566029465755E+21
n4 1.9716247763928E+29
n5 4.1546106862521E+36

Nth Root

y√n
2√n 4590.4264507777
3√n 276.20742913274
4√n 67.752685930358
5√n 29.156891004706

Divisors of 21072015

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 -21072014
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 21072015 can be divided by 8 positive divisors. The sum of these divisors (counting 21072015) is 1, the average is 0.125.

Base conversion 21072015

Base System Value
2 Binary 1010000011000100010001111
3 Ternary 1110122120101000
4 Quaternary 1100120202033
5 Quinary 20343301030
6 Senary 2031351343
8 Octal 120304217
10 Decimal 21072015
12 Duodecimal 7082553
16 Hexadecimal 141888f
20 Vigesimal 6be00f
36 Base36 cjn9r

Cryptographic Hash Functions

md5 487399f40ec37cd5e5348fb80e99f50b
sha1 4699da0fc0253536a8215df122c0cdc073608db3
sha256 e958f8fe55f8f5a7de29d21473c1f5ccf98de24d26f5649981cff14bc3247b59
sha512 0c52446db3ce7d420c02d5e52ae3fe9c7f0584be60718556253f8bb135f495442e38788ac573168c887a247bb4616ff39f0a04310a0d217dfffeace38b6de9a9
ripemd-160 6e77e55de5ec3f8d7779a7a8ae5fae8ab37b1b92

21072015 as geometric shapes

Circle

Radius = n
Diameter 42144030
Circumference 132399375.04067
Area 1.3949608084238E+15

Sphere

Radius = n
Volume 3.9192846772691E+22
Surface area 5.5798432336952E+15
Circumference 132399375.04067

Square

Length = n
Perimeter 84288060
Area 444029816160225
Diagonal 29800329.399529

Cube

Length = n
Surface area 2664178896961350
Volume 9.3566029465755E+21
Space diagonal 36497800.597853

Equilateral Triangle

Length = n
Perimeter 63216045
Area 1.9227055041624E+14
Altitude 18248900.298927

Triangular Pyramid

Length = n
Surface area 1.9227055041624E+14
Volume 1.1026862320656E+21
Height 9933443.1331764