21031838 (number)

21031838 is an even 8-digits composite number following 21031837 and preceding 21031839. In scientific notation, it is written as 2.1031838 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 10457640 positive integers (up to 21031838) that are relatively prime to 21031838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031838 × 10^7
Engineering notation 2.1031838 × 10^6

Prime Factorization of 21031838

Prime Factorization 2 × 181 × 58099

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031838
Product of the distinct prime numbers

The prime factorization of 21031838 is 2 × 181 × 58099. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031838)

Multiplication

n×y
n×2 42063676
n×3 63095514
n×4 84127352
n×5 105159190

Division

n÷y
n÷2 10515919
n÷3 7010612.6666667
n÷3 5257959.5
n÷5 4206367.6

Exponentiation

ny
n2 442338209658244
n3 9.3031855667422E+21
n4 1.9566309172366E+29
n5 4.1151544477112E+36

Nth Root

y√n
2√n 4586.0481898907
3√n 276.03177362971
4√n 67.720367614852
5√n 29.145764106382

Divisors of 21031838

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 -21031837
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 21031838 can be divided by 8 positive divisors. The sum of these divisors (counting 21031838) is 1, the average is 0.125.

Base conversion 21031838

Base System Value
2 Binary 1010000001110101110011110
3 Ternary 1110120112020222
4 Quaternary 1100032232132
5 Quinary 20341004323
6 Senary 2030441342
8 Octal 120165636
10 Decimal 21031838
12 Duodecimal 7063252
16 Hexadecimal 140eb9e
20 Vigesimal 6b8jbi
36 Base36 cis9q

Cryptographic Hash Functions

md5 5a5b091addc781331412ea64507b1f8c
sha1 ca312e990894db113a4dc6566ea4684f19f54a95
sha256 41a2c266d1cf2d7de086063de9e7d522cf380f4632e638fba60568b4a8abcae0
sha512 044b1ce57eca85314e6b671f83e84646066e7095ca0ee6c65cbfb507a47a1a1e3721856019c6f94c520c953f9da3b125f74fe49bb88e89adc96db8f827725f6d
ripemd-160 37dd8c63f581f3f6c1ebb50527bd49c6820957c1

21031838 as geometric shapes

Circle

Radius = n
Diameter 42063676
Circumference 132146935.50458
Area 1.3896464698644E+15

Sphere

Radius = n
Volume 3.896909257528E+22
Surface area 5.5585858794576E+15
Circumference 132146935.50458

Square

Length = n
Perimeter 84127352
Area 442338209658244
Diagonal 29743510.541234

Cube

Length = n
Surface area 2654029257949464
Volume 9.3031855667422E+21
Space diagonal 36428211.992558

Equilateral Triangle

Length = n
Perimeter 63095514
Area 1.9153806331428E+14
Altitude 18214105.996279

Triangular Pyramid

Length = n
Surface area 1.9153806331428E+14
Volume 1.09639093348E+21
Height 9914503.5137446