21102015 (number)

21102015 is an odd 8-digits composite number following 21102014 and preceding 21102016. In scientific notation, it is written as 2.1102015 × 10^7. The sum of its digits is 12. It has a total of 4 prime factors and 16 positive divisors. There are 9628160 positive integers (up to 21102015) that are relatively prime to 21102015.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred two thousand fifteen

Notation

Scientific notation 2.1102015 × 10^7
Engineering notation 2.1102015 × 10^6

Prime Factorization of 21102015

Prime Factorization 3 × 55 × 17 × 7523

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21102015
Product of the distinct prime numbers

The prime factorization of 21102015 is 3 × 55 × 17 × 7523. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21102015)

Multiplication

n×y
n×2 42204030
n×3 63306045
n×4 84408060
n×5 105510075

Division

n÷y
n÷2 10551007.5
n÷3 7034005
n÷3 5275503.75
n÷5 4220403

Exponentiation

ny
n2 445295037060225
n3 9.3966225514704E+21
n4 1.9828767003047E+29
n5 4.184269387298E+36

Nth Root

y√n
2√n 4593.6929588295
3√n 276.33844482102
4√n 67.77678775827
5√n 29.165188351031

Divisors of 21102015

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 -21102014
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 21102015 can be divided by 16 positive divisors. The sum of these divisors (counting 21102015) is 1, the average is 0.0625.

Base conversion 21102015

Base System Value
2 Binary 1010000011111110110111111
3 Ternary 1110201002112010
4 Quaternary 1100133312333
5 Quinary 20400231030
6 Senary 2032142303
8 Octal 120376677
10 Decimal 21102015
12 Duodecimal 7097993
16 Hexadecimal 141fdbf
20 Vigesimal 6bhf0f
36 Base36 ckaf3

Cryptographic Hash Functions

md5 223caa26fe62ecefbc271c659008aa86
sha1 966feb50cc435a2d3ad9a53570ba900f77ad47b6
sha256 f740f9d8326e3f2f165d81d11595ebf9d9070df51cbd6ec7d0baf2159bdbf65d
sha512 898bc323255300e6f19d1046f2033eb6d293810d21c4953979599803487f7f9b9661d9431b89992162b3ff601b980a011dc7893922b21a5f38a8508e4728948b
ripemd-160 78389262dbcfd8721899e4ef7483cb40f4443517

21102015 as geometric shapes

Circle

Radius = n
Diameter 42204030
Circumference 132587870.59988
Area 1.3989356171084E+15

Sphere

Radius = n
Volume 3.9360480501674E+22
Surface area 5.5957424684336E+15
Circumference 132587870.59988

Square

Length = n
Perimeter 84408060
Area 445295037060225
Diagonal 29842755.8064

Cube

Length = n
Surface area 2671770222361350
Volume 9.3966225514704E+21
Space diagonal 36549762.122081

Equilateral Triangle

Length = n
Perimeter 63306045
Area 1.9281840713664E+14
Altitude 18274881.06104

Triangular Pyramid

Length = n
Surface area 1.9281840713664E+14
Volume 1.1074025877325E+21
Height 9947585.2688002