21025858 (number)

21025858 is an even 8-digits composite number following 21025857 and preceding 21025859. In scientific notation, it is written as 2.1025858 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 9011076 positive integers (up to 21025858) that are relatively prime to 21025858.

Interesting facts

Basic properties

Name

Name twenty-one million twenty-five thousand eight hundred fifty-eight

Notation

Scientific notation 2.1025858 × 10^7
Engineering notation 2.1025858 × 10^6

Prime Factorization of 21025858

Prime Factorization 2 × 7 × 1501847

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21025858
Product of the distinct prime numbers

The prime factorization of 21025858 is 2 × 7 × 1501847. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21025858)

Multiplication

n×y
n×2 42051716
n×3 63077574
n×4 84103432
n×5 105129290

Division

n÷y
n÷2 10512929
n÷3 7008619.3333333
n÷3 5256464.5
n÷5 4205171.6

Exponentiation

ny
n2 442086704636164
n3 9.2952522753679E+21
n4 1.9544065441606E+29
n5 4.1093074471792E+36

Nth Root

y√n
2√n 4585.3961660908
3√n 276.00560970185
4√n 67.715553354387
5√n 29.144106509977

Divisors of 21025858

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 -21025857
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 21025858 can be divided by 8 positive divisors. The sum of these divisors (counting 21025858) is 1, the average is 0.125.

Base conversion 21025858

Base System Value
2 Binary 1010000001101010001000010
3 Ternary 1110120020001111
4 Quaternary 1100031101002
5 Quinary 20340311413
6 Senary 2030353534
8 Octal 120152102
10 Decimal 21025858
12 Duodecimal 705b8aa
16 Hexadecimal 140d442
20 Vigesimal 6b84ci
36 Base36 cinnm

Cryptographic Hash Functions

md5 439582ca765be9435963bb87fbcc883a
sha1 4d63c314a938e56faa14d0826045fa55e84c677f
sha256 84f856e7424f608ab3880a9544b5ecd88427131cb846c7d020166dbb57343af1
sha512 6089de3a6d59f02db31f9b91295f51cb94503e314e3995bbad8134725df21359dcb69b44c9ebe21f17c0ee26778244f60d64d5dc0a73ddf2cda06cca6a31d608
ripemd-160 a27b7f1d5594b44ee5148a70a4d0be353b152a9c

21025858 as geometric shapes

Circle

Radius = n
Diameter 42051716
Circumference 132109362.05644
Area 1.3888563435347E+15

Sphere

Radius = n
Volume 3.893586168208E+22
Surface area 5.5554253741388E+15
Circumference 132109362.05644

Square

Length = n
Perimeter 84103432
Area 442086704636164
Diagonal 29735053.544131

Cube

Length = n
Surface area 2652520227816984
Volume 9.2952522753679E+21
Space diagonal 36417854.328729

Equilateral Triangle

Length = n
Perimeter 63077574
Area 1.9142915844513E+14
Altitude 18208927.164364

Triangular Pyramid

Length = n
Surface area 1.9142915844513E+14
Volume 1.0954559861254E+21
Height 9911684.5147103