21031378 (number)

21031378 is an even 8-digits composite number following 21031377 and preceding 21031379. In scientific notation, it is written as 2.1031378 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 10496640 positive integers (up to 21031378) that are relatively prime to 21031378.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031378 × 10^7
Engineering notation 2.1031378 × 10^6

Prime Factorization of 21031378

Prime Factorization 2 × 569 × 18481

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031378
Product of the distinct prime numbers

The prime factorization of 21031378 is 2 × 569 × 18481. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 9, 12, 29, 202, 978, 168, 2231, 27896, 60827, 452097, 804588, 182219, 9858590, 24306805, 64161344, 348125893, 204372627, 6261941342, 2851676460

Basic calculations (n = 21031378)

Multiplication

n×y
n×2 42062756
n×3 63094134
n×4 84125512
n×5 105156890

Division

n÷y
n÷2 10515689
n÷3 7010459.3333333
n÷3 5257844.5
n÷5 4206275.6

Exponentiation

ny
n2 442318860578884
n3 9.3025751533638E+21
n4 1.956459744238E+29
n5 4.1147044422853E+36

Nth Root

y√n
2√n 4585.998037505
3√n 276.02976119596
4√n 67.719997323575
5√n 29.145636612354

Divisors of 21031378

1, 2, 569, 1138, 18481, 36962, 10515689, 21031378

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 -21031377
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 21031378 can be divided by 8 positive divisors. The sum of these divisors (counting 21031378) is 1, the average is 0.125.

Base conversion 21031378

Base System Value
2 Binary 1010000001110100111010010
3 Ternary 1110120111121221
4 Quaternary 1100032213102
5 Quinary 20341001003
6 Senary 2030435254
8 Octal 120164722
10 Decimal 21031378
12 Duodecimal 7062b2a
16 Hexadecimal 140e9d2
20 Vigesimal 6b8i8i
36 Base36 cirwy

Cryptographic Hash Functions

md5 266902a07ce9565c2fa3f183c6ff3570
sha1 d7ce5091081f84337bae3b8e0306237a3d9cb0e3
sha256 a23c4bdbf3ddc7b6904cf7f95351a5142c50b17a1e4d045a5ecdf382f9d11e82
sha512 5c33b49750e982524b3c4e12c03149dcad4207ec275e295f83132f6433eb313bb5d1cbf24f28cbc0571842c639f1e21e438864f149907d86b05d13042b0a1a7f
ripemd-160 ac502f18e3de64c7d6e7f72b827b61fa6b40f978

21031378 as geometric shapes

Circle

Radius = n
Diameter 42062756
Circumference 132144045.23934
Area 1.3895856829388E+15

Sphere

Radius = n
Volume 3.89665356817E+22
Surface area 5.5583427317553E+15
Circumference 132144045.23934

Square

Length = n
Perimeter 84125512
Area 442318860578884
Diagonal 29742860.002995

Cube

Length = n
Surface area 2653913163473304
Volume 9.3025751533638E+21
Space diagonal 36427415.249186

Equilateral Triangle

Length = n
Perimeter 63094134
Area 1.9152968491715E+14
Altitude 18213707.624593

Triangular Pyramid

Length = n
Surface area 1.9152968491715E+14
Volume 1.0963189955735E+21
Height 9914286.667665