21052015 (number)

21052015 is an odd 8-digits composite number following 21052014 and preceding 21052016. In scientific notation, it is written as 2.1052015 × 10^7. The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors. There are 15840000 positive integers (up to 21052015) that are relatively prime to 21052015.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-two thousand fifteen

Notation

Scientific notation 2.1052015 × 10^7
Engineering notation 2.1052015 × 10^6

Prime Factorization of 21052015

Prime Factorization 5 × 23 × 61 × 3001

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21052015
Product of the distinct prime numbers

The prime factorization of 21052015 is 5 × 23 × 61 × 3001. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 13, 53, 419, 667, 2380, 2618, 69076, 2144, 553044, 444605, 3103931, 7732550, 8887022, 91246975, 473574569, 872706604, 6250469900, 5264905993

Basic calculations (n = 21052015)

Multiplication

n×y
n×2 42104030
n×3 63156045
n×4 84208060
n×5 105260075

Division

n÷y
n÷2 10526007.5
n÷3 7017338.3333333
n÷3 5263003.75
n÷5 4210403

Exponentiation

ny
n2 443187335560225
n3 9.3299864360239E+21
n4 1.9641501440097E+29
n5 4.1349318293945E+36

Nth Root

y√n
2√n 4588.2474867862
3√n 276.1200162424
4√n 67.736603744107
5√n 29.151354188842

Divisors of 21052015

1, 5, 23, 61, 115, 305, 1403, 3001, 7015, 15005, 69023, 183061, 345115, 915305, 4210403, 21052015

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 -21052014
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 21052015 can be divided by 16 positive divisors. The sum of these divisors (counting 21052015) is 1, the average is 0.0625.

Base conversion 21052015

Base System Value
2 Binary 1010000010011101001101111
3 Ternary 1110121112221021
4 Quaternary 1100103221233
5 Quinary 20342131030
6 Senary 2031115011
8 Octal 120235157
10 Decimal 21052015
12 Duodecimal 7072a67
16 Hexadecimal 1413a6f
20 Vigesimal 6bba0f
36 Base36 cj7u7

Cryptographic Hash Functions

md5 8eb66c3bc3af805da929020858cbb0fe
sha1 84761bcca8136f0dff8a10d24e03a41bebbc42ba
sha256 d5fbe4d3f836fcb021edc78dc5fa53fd414d3f5f0e2c293f0a712288c0e05724
sha512 60d33befefa4bea3753cb559c4bde3f43fdd9719984c89b4cc6af439bcdf47c9667558bf24f32ecf2cd04d1d090d67514e8cc5070d27191eb4649c1860758241
ripemd-160 451cd0963d03e3c8d8ec60e8afca20735571b2f7

21052015 as geometric shapes

Circle

Radius = n
Diameter 42104030
Circumference 132273711.33452
Area 1.39231407756E+15

Sphere

Radius = n
Volume 3.9081355794007E+22
Surface area 5.5692563102401E+15
Circumference 132273711.33452

Square

Length = n
Perimeter 84208060
Area 443187335560225
Diagonal 29772045.128282

Cube

Length = n
Surface area 2659124013361350
Volume 9.3299864360239E+21
Space diagonal 36463159.581702

Equilateral Triangle

Length = n
Perimeter 63156045
Area 1.9190574561535E+14
Altitude 18231579.790851

Triangular Pyramid

Length = n
Surface area 1.9190574561535E+14
Volume 1.0995494462152E+21
Height 9924015.0427606