21031870 (number)

21031870 is an even 8-digits composite number following 21031869 and preceding 21031871. In scientific notation, it is written as 2.1031870 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 8412744 positive integers (up to 21031870) that are relatively prime to 21031870.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred seventy

Notation

Scientific notation 2.1031870 × 10^7
Engineering notation 2.1031870 × 10^6

Prime Factorization of 21031870

Prime Factorization 2 × 5 × 2103187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031870
Product of the distinct prime numbers

The prime factorization of 21031870 is 2 × 5 × 2103187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 7, 90, 10, 352, 242, 6508, 4714, 40890, 89177, 288681, 465520, 9665890, 1962971, 47790758, 10455705, 951327076, 387698643, 6157653007, 8242230749

Basic calculations (n = 21031870)

Multiplication

n×y
n×2 42063740
n×3 63095610
n×4 84127480
n×5 105159350

Division

n÷y
n÷2 10515935
n÷3 7010623.3333333
n÷3 5257967.5
n÷5 4206374

Exponentiation

ny
n2 442339555696900
n3 9.303228031275E+21
n4 1.9566428253413E+29
n5 4.1151857539011E+36

Nth Root

y√n
2√n 4586.0516787319
3√n 276.031913624
4√n 67.720393374019
5√n 29.145772975449

Divisors of 21031870

1, 2, 5, 10, 2103187, 4206374, 10515935, 21031870

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 -21031869
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 21031870 can be divided by 8 positive divisors. The sum of these divisors (counting 21031870) is 1, the average is 0.125.

Base conversion 21031870

Base System Value
2 Binary 1010000001110101110111110
3 Ternary 1110120112022011
4 Quaternary 1100032232332
5 Quinary 20341004440
6 Senary 2030441434
8 Octal 120165676
10 Decimal 21031870
12 Duodecimal 706327a
16 Hexadecimal 140ebbe
20 Vigesimal 6b8jda
36 Base36 cisam

Cryptographic Hash Functions

md5 d71e0bd125f2c712f5f9f7215b52010e
sha1 9945776de2a631722385c0052181fee77904b91f
sha256 283465bf266f4078b70e8c6a80ce77da50df209dde2083bcc671e68e8eab806b
sha512 27a5f7ebde020346dda0e6c0e796a91422a801c4a0b802c908152bc9b34af385f112ecf3166f0f6f87c5bab1a6a8486bc3cfb5db357ea33afddce9a454119451
ripemd-160 6ffe875b9d2c19cdd36c5b5f5c735666b6318cdc

21031870 as geometric shapes

Circle

Radius = n
Diameter 42063740
Circumference 132147136.56651
Area 1.3896506985696E+15

Sphere

Radius = n
Volume 3.8969270450299E+22
Surface area 5.5586027942782E+15
Circumference 132147136.56651

Square

Length = n
Perimeter 84127480
Area 442339555696900
Diagonal 29743555.796068

Cube

Length = n
Surface area 2654037334181400
Volume 9.303228031275E+21
Space diagonal 36428267.418184

Equilateral Triangle

Length = n
Perimeter 63095610
Area 1.9153864616612E+14
Altitude 18214133.709092

Triangular Pyramid

Length = n
Surface area 1.9153864616612E+14
Volume 1.0963959379732E+21
Height 9914518.5986893