21031398 (number)

21031398 is an even 8-digits composite number following 21031397 and preceding 21031399. In scientific notation, it is written as 2.1031398 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 7010460 positive integers (up to 21031398) that are relatively prime to 21031398.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031398 × 10^7
Engineering notation 2.1031398 × 10^6

Prime Factorization of 21031398

Prime Factorization 2 × 9 × 1168411

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031398
Product of the distinct prime numbers

The prime factorization of 21031398 is 2 × 9 × 1168411. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031398)

Multiplication

n×y
n×2 42062796
n×3 63094194
n×4 84125592
n×5 105156990

Division

n÷y
n÷2 10515699
n÷3 7010466
n÷3 5257849.5
n÷5 4206279.6

Exponentiation

ny
n2 442319701834404
n3 9.3026016925207E+21
n4 1.9564671863088E+29
n5 4.11472400692E+36

Nth Root

y√n
2√n 4586.0002180549
3√n 276.02984869369
4√n 67.720013423322
5√n 29.145642155619

Divisors of 21031398

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 -21031397
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 21031398 can be divided by 8 positive divisors. The sum of these divisors (counting 21031398) is 1, the average is 0.125.

Base conversion 21031398

Base System Value
2 Binary 1010000001110100111100110
3 Ternary 1110120111122200
4 Quaternary 1100032213212
5 Quinary 20341001043
6 Senary 2030435330
8 Octal 120164746
10 Decimal 21031398
12 Duodecimal 7062b46
16 Hexadecimal 140e9e6
20 Vigesimal 6b8i9i
36 Base36 cirxi

Cryptographic Hash Functions

md5 6a1e5b31f6eb6e41017c1f0cab1d4372
sha1 047ff42be3d4ae5adf9642b559154bb46ab83931
sha256 30bb33c39b1cc84680dcce77d71a24d09029cd3e1b5acb1eb50e1dd43078f1d4
sha512 2d5372d5efd650f826c7e2529c52482341c2cd40ca8a6b72c098f4d759eba204cc06efb0956f56d7125dadd7ff9eb74c0441a062d692d65821edfbe3da27c8b1
ripemd-160 9b1c26437a0e7d8f75087dee25600d466170660f

21031398 as geometric shapes

Circle

Radius = n
Diameter 42062796
Circumference 132144170.90305
Area 1.389588325821E+15

Sphere

Radius = n
Volume 3.896664684866E+22
Surface area 5.558353303284E+15
Circumference 132144170.90305

Square

Length = n
Perimeter 84125592
Area 442319701834404
Diagonal 29742888.287266

Cube

Length = n
Surface area 2653918211006424
Volume 9.3026016925207E+21
Space diagonal 36427449.890202

Equilateral Triangle

Length = n
Perimeter 63094194
Area 1.9153004919148E+14
Altitude 18213724.945101

Triangular Pyramid

Length = n
Surface area 1.9153004919148E+14
Volume 1.0963221232431E+21
Height 9914296.0957555