21123397 (number)

21123397 is an odd 8-digits composite number following 21123396 and preceding 21123398. In scientific notation, it is written as 2.1123397 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20394192 positive integers (up to 21123397) that are relatively prime to 21123397.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1123397 × 10^7
Engineering notation 2.1123397 × 10^6

Prime Factorization of 21123397

Prime Factorization 841 × 25117

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21123397
Product of the distinct prime numbers

The prime factorization of 21123397 is 841 × 25117. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21123397)

Multiplication

n×y
n×2 42246794
n×3 63370191
n×4 84493588
n×5 105616985

Division

n÷y
n÷2 10561698.5
n÷3 7041132.3333333
n÷3 5280849.25
n÷5 4224679.4

Exponentiation

ny
n2 446197900819609
n3 9.4252153995792E+21
n4 1.9909256669583E+29
n5 4.2055113260649E+36

Nth Root

y√n
2√n 4596.0196909935
3√n 276.43174829719
4√n 67.793950253644
5√n 29.171096388317

Divisors of 21123397

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21123396
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21123397 can be divided by 4 positive divisors. The sum of these divisors (counting 21123397) is 1, the average is 0.25.

Base conversion 21123397

Base System Value
2 Binary 1010000100101000101000101
3 Ternary 1110202011212001
4 Quaternary 1100211011011
5 Quinary 20401422042
6 Senary 2032425301
8 Octal 120450505
10 Decimal 21123397
12 Duodecimal 70a8231
16 Hexadecimal 1425145
20 Vigesimal 6c089h
36 Base36 ckqx1

Cryptographic Hash Functions

md5 2b555dcd98cd44797f2ed5a94dcfeef8
sha1 6a2453eaba72735c78afc06deaa0b0e9f6699811
sha256 cb3d6bf891968a7391633d9256a3f26864fc594c1780970baf2a976850faab72
sha512 e0e3aa8afd007e897bfb64b55c6a9e51201b49059884c031e7555745873469eccce2af822553f5fb8cc8108cc89e9b95ee377337a9d5deec5afeedaede7ef050
ripemd-160 6fe438bedf0b2681497f6d0039f4b653a7b1a44d

21123397 as geometric shapes

Circle

Radius = n
Diameter 42246794
Circumference 132722217.66812
Area 1.4017720472621E+15

Sphere

Radius = n
Volume 3.9480249943759E+22
Surface area 5.6070881890483E+15
Circumference 132722217.66812

Square

Length = n
Perimeter 84493588
Area 446197900819609
Diagonal 29872994.520791

Cube

Length = n
Surface area 2677187404917654
Volume 9.4252153995792E+21
Space diagonal 36586796.832448

Equilateral Triangle

Length = n
Perimeter 63370191
Area 1.9320935861254E+14
Altitude 18293398.416224

Triangular Pyramid

Length = n
Surface area 1.9320935861254E+14
Volume 1.1107722871977E+21
Height 9957664.8402637