21231389 (number)

21231389 is an odd 8-digits prime number following 21231388 and preceding 21231390. In scientific notation, it is written as 2.1231389 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 21231388 positive integers (up to 21231389) that are relatively prime to 21231389.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand three hundred eighty-nine

Notation

Scientific notation 2.1231389 × 10^7
Engineering notation 2.1231389 × 10^6

Prime Factorization of 21231389

Prime Factorization 21231389

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21231389
Product of the distinct prime numbers

The prime factorization of 21231389 is 21231389. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 10, 95, 73, 725, 835, 1336, 1003, 72098, 56461, 412673, 745257, 1265832, 1326807, 29009554, 97391122, 295122657, 12360189, 6404693451, 8280304699

Basic calculations (n = 21231389)

Multiplication

n×y
n×2 42462778
n×3 63694167
n×4 84925556
n×5 106156945

Division

n÷y
n÷2 10615694.5
n÷3 7077129.6666667
n÷3 5307847.25
n÷5 4246277.8

Exponentiation

ny
n2 450771878869321
n3 9.5705131105354E+21
n4 2.0319528677938E+29
n5 4.3141181765795E+36

Nth Root

y√n
2√n 4607.753140089
3√n 276.90202758848
4√n 67.880432674586
5√n 29.20086264762

Divisors of 21231389

1, 21231389

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21231390
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10615695
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4607.7532486018
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999057999
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21231389 can be divided by 2 positive divisors. The sum of these divisors (counting 21231389) is 21231390, the average is 10615695.

Base conversion 21231389

Base System Value
2 Binary 1010000111111011100011101
3 Ternary 1110221122222202
4 Quaternary 1100333130131
5 Quinary 20413401024
6 Senary 2035021245
8 Octal 120773435
10 Decimal 21231389
12 Duodecimal 713a825
16 Hexadecimal 143f71d
20 Vigesimal 6cdi99
36 Base36 cn28t

Cryptographic Hash Functions

md5 034ca96de639dd4610576ef34525c17c
sha1 2bc27ad4c2759a569aeca4d8faab77ffd771e2d0
sha256 b14e83128a957cc60674a4250ef9c7b3694c51d4b742583a9341e21812dc0f14
sha512 3bad94732e807da8f824badce3384a4839ba254015b4bd6db085d0ad33105a9a1313048a5810a2ebbac111d395258d4d89af53b2aa6d2d85f5aee25ea2b753d7
ripemd-160 db30313a820b5d2109cb7650dc4f8796e2693e79

21231389 as geometric shapes

Circle

Radius = n
Diameter 42462778
Circumference 133400751.41581
Area 1.4161416231007E+15

Sphere

Radius = n
Volume 4.0088871572191E+22
Surface area 5.6645664924029E+15
Circumference 133400751.41581

Square

Length = n
Perimeter 84925556
Area 450771878869321
Diagonal 30025718.271819

Cube

Length = n
Surface area 2704631273215926
Volume 9.5705131105354E+21
Space diagonal 36773844.463259

Equilateral Triangle

Length = n
Perimeter 63694167
Area 1.9518994920624E+14
Altitude 18386922.231629

Triangular Pyramid

Length = n
Surface area 1.9518994920624E+14
Volume 1.1278957866491E+21
Height 10008572.757273