21821372 (number)

21821372 is an even 8-digits composite number following 21821371 and preceding 21821373. In scientific notation, it is written as 2.1821372 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 10704720 positive integers (up to 21821372) that are relatively prime to 21821372.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1821372 × 10^7
Engineering notation 2.1821372 × 10^6

Prime Factorization of 21821372

Prime Factorization 2 × 2 × 53 × 102931

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10910686
Product of the distinct prime numbers

The prime factorization of 21821372 is 2 × 2 × 53 × 102931. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 37, 58, 995, 414, 1270, 7980, 58569, 94364, 941784, 366740, 5357373, 3201315, 58894804, 53572940, 638353042, 590924434, 6216762617, 4985401899

Basic calculations (n = 21821372)

Multiplication

n×y
n×2 43642744
n×3 65464116
n×4 87285488
n×5 109106860

Division

n÷y
n÷2 10910686
n÷3 7273790.6666667
n÷3 5455343
n÷5 4364274.4

Exponentiation

ny
n2 476172275962384
n3 1.0390732369862E+22
n4 2.267400363952E+29
n5 4.9477786814731E+36

Nth Root

y√n
2√n 4671.3351410491
3√n 279.44350354663
4√n 68.347166298604
5√n 29.361376404132

Divisors of 21821372

1, 2, 4, 53, 106, 212, 102931, 205862, 411724, 5455343, 10910686, 21821372

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21821371
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21821372 can be divided by 12 positive divisors. The sum of these divisors (counting 21821372) is 1, the average is 0.083333333333333.

Base conversion 21821372

Base System Value
2 Binary 1010011001111011110111100
3 Ternary 1112001122021222
4 Quaternary 1103033132330
5 Quinary 21041240442
6 Senary 2055412512
8 Octal 123173674
10 Decimal 21821372
12 Duodecimal 7384138
16 Hexadecimal 14cf7bc
20 Vigesimal 6g7d8c
36 Base36 czph8

Cryptographic Hash Functions

md5 ff59d06037ffce275c447144f8bd9122
sha1 332d37c016b1594e079ff28936521dfffd1d2c34
sha256 392ffd74063116be7f99dea6ebe2477e5771e99d5050b9debe9c355618cf9bb5
sha512 8bbc2cf0f97575b1c8e689d021137970666b814aaa700a58ca042b12263f986a6126a09dcf5a4c9a881a401ff933cee33c40767bdd0177e3380221e5454ce681
ripemd-160 b479e4dfe171181442aadaa66a3b8017831360e6

21821372 as geometric shapes

Circle

Radius = n
Diameter 43642744
Circumference 137107723.9329
Area 1.4959393240066E+15

Sphere

Radius = n
Volume 4.3524597971434E+22
Surface area 5.9837572960262E+15
Circumference 137107723.9329

Square

Length = n
Perimeter 87285488
Area 476172275962384
Diagonal 30860080.231989

Cube

Length = n
Surface area 2857033655774304
Volume 1.0390732369862E+22
Space diagonal 37795724.994861

Equilateral Triangle

Length = n
Perimeter 65464116
Area 2.0618864378064E+14
Altitude 18897862.49743

Triangular Pyramid

Length = n
Surface area 2.0618864378064E+14
Volume 1.2245595533706E+21
Height 10286693.410663