21397910 (number)

21397910 is an even 8-digits composite number following 21397909 and preceding 21397911. In scientific notation, it is written as 2.1397910 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 8514048 positive integers (up to 21397910) that are relatively prime to 21397910.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred ninety-seven thousand nine hundred ten

Notation

Scientific notation 2.1397910 × 10^7
Engineering notation 2.1397910 × 10^6

Prime Factorization of 21397910

Prime Factorization 2 × 5 × 193 × 11087

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21397910
Product of the distinct prime numbers

The prime factorization of 21397910 is 2 × 5 × 193 × 11087. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 31, 95, 511, 622, 8095, 1228, 69384, 22422, 747074, 183, 2425711, 8581082, 9319148, 74399886, 205024997, 35141570, 681085287, 9954989394

Basic calculations (n = 21397910)

Multiplication

n×y
n×2 42795820
n×3 64193730
n×4 85591640
n×5 106989550

Division

n÷y
n÷2 10698955
n÷3 7132636.6666667
n÷3 5349477.5
n÷5 4279582

Exponentiation

ny
n2 457870552368100
n3 9.7974728712229E+21
n4 2.0964544272587E+29
n5 4.4859743153583E+36

Nth Root

y√n
2√n 4625.7875005236
3√n 277.62407134847
4√n 68.013142116238
5√n 29.24652497464

Divisors of 21397910

1, 2, 5, 10, 193, 386, 965, 1930, 11087, 22174, 55435, 110870, 2139791, 4279582, 10698955, 21397910

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21397909
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21397910 can be divided by 16 positive divisors. The sum of these divisors (counting 21397910) is 1, the average is 0.0625.

Base conversion 21397910

Base System Value
2 Binary 1010001101000000110010110
3 Ternary 1111021010102012
4 Quaternary 1101220012112
5 Quinary 20434213120
6 Senary 2042344222
8 Octal 121500626
10 Decimal 21397910
12 Duodecimal 71bb072
16 Hexadecimal 1468196
20 Vigesimal 6deefa
36 Base36 cqmqe

Cryptographic Hash Functions

md5 f9235b6c91b5baaedc10cf032c52714c
sha1 8d58325bb20f80a9706f7733c68e916efc362884
sha256 45a9003142eb3c3afea7539ca74bf1f5ba095cf5ceedfdc2e45473168c7910da
sha512 4bf853e2a8893dda082249f7ffdad51e92697bc02b0489f58d3b1dcae89b045a0355bcc95c8e137a49f9875f78543afccccdd3074120c112f268bf9110d4a242
ripemd-160 0d1f9f103ce8e000c57c0f9d7d86b283c6bbb45a

21397910 as geometric shapes

Circle

Radius = n
Diameter 42795820
Circumference 134447033.71635
Area 1.4384427636147E+15

Sphere

Radius = n
Volume 4.1039558394639E+22
Surface area 5.7537710544589E+15
Circumference 134447033.71635

Square

Length = n
Perimeter 85591640
Area 457870552368100
Diagonal 30261214.528439

Cube

Length = n
Surface area 2747223314208600
Volume 9.7974728712229E+21
Space diagonal 37062267.295786

Equilateral Triangle

Length = n
Perimeter 64193730
Area 1.9826376499779E+14
Altitude 18531133.647893

Triangular Pyramid

Length = n
Surface area 1.9826376499779E+14
Volume 1.1546432509555E+21
Height 10087071.50948