21995215 (number)

21995215 is an odd 8-digits composite number following 21995214 and preceding 21995216. In scientific notation, it is written as 2.1995215 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 15996480 positive integers (up to 21995215) that are relatively prime to 21995215.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-five thousand two hundred fifteen

Notation

Scientific notation 2.1995215 × 10^7
Engineering notation 2.1995215 × 10^6

Prime Factorization of 21995215

Prime Factorization 55 × 399913

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21995215
Product of the distinct prime numbers

The prime factorization of 21995215 is 55 × 399913. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21995215)

Multiplication

n×y
n×2 43990430
n×3 65985645
n×4 87980860
n×5 109976075

Division

n÷y
n÷2 10997607.5
n÷3 7331738.3333333
n÷3 5498803.75
n÷5 4399043

Exponentiation

ny
n2 483789482896225
n3 1.0641053691041E+22
n4 2.34052263761E+29
n5 5.1480298626598E+36

Nth Root

y√n
2√n 4689.9056493708
3√n 280.18361680739
4√n 68.482885813689
5√n 29.408010332795

Divisors of 21995215

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 -21995214
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 21995215 can be divided by 4 positive divisors. The sum of these divisors (counting 21995215) is 1, the average is 0.25.

Base conversion 21995215

Base System Value
2 Binary 1010011111001111011001111
3 Ternary 1112101110202121
4 Quaternary 1103321323033
5 Quinary 21112321330
6 Senary 2103233411
8 Octal 123717317
10 Decimal 21995215
12 Duodecimal 7448867
16 Hexadecimal 14f9ecf
20 Vigesimal 6h980f
36 Base36 d3fm7

Cryptographic Hash Functions

md5 f44f0a853a6b0828f955504aac5c4805
sha1 c37b71e547784b41415f75e91842ee1e7ec9e587
sha256 4d0cc115d7d313683d4f2b9bda1f9f90685cd807bcb3c65eeeaccf55dff1bfd2
sha512 bac33f4a8a0ab7c1fb79e46744f9a9de4c59e633ba16870993711e007043e28a3ffe48209f2e401b04906581d68370adf5c11b736c9e6de021fde988758789a8
ripemd-160 8c142e254257cd183a2d347f251b15de32d5674a

21995215 as geometric shapes

Circle

Radius = n
Diameter 43990430
Circumference 138200011.71626
Area 1.5198694853508E+15

Sphere

Radius = n
Volume 4.457314146964E+22
Surface area 6.0794779414031E+15
Circumference 138200011.71626

Square

Length = n
Perimeter 87980860
Area 483789482896225
Diagonal 31105931.360312

Cube

Length = n
Surface area 2902736897377350
Volume 1.0641053691041E+22
Space diagonal 38096829.903401

Equilateral Triangle

Length = n
Perimeter 65985645
Area 2.0948699113593E+14
Altitude 19048414.951701

Triangular Pyramid

Length = n
Surface area 2.0948699113593E+14
Volume 1.2540602039842E+21
Height 10368643.786771