21089870 (number)

21089870 is an even 8-digits composite number following 21089869 and preceding 21089871. In scientific notation, it is written as 2.1089870 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 8435944 positive integers (up to 21089870) that are relatively prime to 21089870.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-nine thousand eight hundred seventy

Notation

Scientific notation 2.1089870 × 10^7
Engineering notation 2.1089870 × 10^6

Prime Factorization of 21089870

Prime Factorization 2 × 5 × 2108987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21089870
Product of the distinct prime numbers

The prime factorization of 21089870 is 2 × 5 × 2108987. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21089870)

Multiplication

n×y
n×2 42179740
n×3 63269610
n×4 84359480
n×5 105449350

Division

n÷y
n÷2 10544935
n÷3 7029956.6666667
n÷3 5272467.5
n÷5 4217974

Exponentiation

ny
n2 444782616616900
n3 9.3804075627103E+21
n4 1.9783157604458E+29
n5 4.1722422206752E+36

Nth Root

y√n
2√n 4592.3708473946
3√n 276.28542027213
4√n 67.767033632841
5√n 29.161830446248

Divisors of 21089870

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 -21089869
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 21089870 can be divided by 8 positive divisors. The sum of these divisors (counting 21089870) is 1, the average is 0.125.

Base conversion 21089870

Base System Value
2 Binary 1010000011100111001001110
3 Ternary 1110200110212022
4 Quaternary 1100130321032
5 Quinary 20344333440
6 Senary 2032010142
8 Octal 120347116
10 Decimal 21089870
12 Duodecimal 7090952
16 Hexadecimal 141ce4e
20 Vigesimal 6bg4da
36 Base36 ck11q

Cryptographic Hash Functions

md5 c46bc320a0fe47c657827788ca721c7c
sha1 99403523c55439ef47e11adb746ded727beebb77
sha256 2235f4975b1c24749b766568d3f1f4f43dd1afa917e4e6a0be5b543480d7f559
sha512 891a79950d6c144e48e48df46658c86b33ebb17e9cc269b4a9cd174e618cc02bb3508907e5ee1379e50e37117df10d58450ab97dd5e98d93a9f3f3d0feab3c1f
ripemd-160 4221a0b6eab9c92784fb22ae9158b4310bbe4cc6

21089870 as geometric shapes

Circle

Radius = n
Diameter 42179740
Circumference 132511561.31433
Area 1.3973258008081E+15

Sphere

Radius = n
Volume 3.9292559315585E+22
Surface area 5.5893032032324E+15
Circumference 132511561.31433

Square

Length = n
Perimeter 84359480
Area 444782616616900
Diagonal 29825580.182685

Cube

Length = n
Surface area 2668695699701400
Volume 9.3804075627103E+21
Space diagonal 36528726.365023

Equilateral Triangle

Length = n
Perimeter 63269610
Area 1.9259652257598E+14
Altitude 18264363.182511

Triangular Pyramid

Length = n
Surface area 1.9259652257598E+14
Volume 1.105491632981E+21
Height 9941860.0608952