21231661 (number)

21231661 is an odd 8-digits composite number following 21231660 and preceding 21231662. In scientific notation, it is written as 2.1231661 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 19253520 positive integers (up to 21231661) that are relatively prime to 21231661.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand six hundred sixty-one

Notation

Scientific notation 2.1231661 × 10^7
Engineering notation 2.1231661 × 10^6

Prime Factorization of 21231661

Prime Factorization 11 × 443 × 4357

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21231661
Product of the distinct prime numbers

The prime factorization of 21231661 is 11 × 443 × 4357. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21231661)

Multiplication

n×y
n×2 42463322
n×3 63694983
n×4 84926644
n×5 106158305

Division

n÷y
n÷2 10615830.5
n÷3 7077220.3333333
n÷3 5307915.25
n÷5 4246332.2

Exponentiation

ny
n2 450783428818921
n3 9.570880945101E+21
n4 2.0320569969774E+29
n5 4.3143945292503E+36

Nth Root

y√n
2√n 4607.7826554646
3√n 276.90321006771
4√n 67.880650081334
5√n 29.200937466973

Divisors of 21231661

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 -21231660
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 21231661 can be divided by 8 positive divisors. The sum of these divisors (counting 21231661) is 1, the average is 0.125.

Base conversion 21231661

Base System Value
2 Binary 1010000111111100000101101
3 Ternary 1110221200100211
4 Quaternary 1100333200231
5 Quinary 20413403121
6 Senary 2035022421
8 Octal 120774055
10 Decimal 21231661
12 Duodecimal 713aa11
16 Hexadecimal 143f82d
20 Vigesimal 6cdj31
36 Base36 cn2gd

Cryptographic Hash Functions

md5 26ea79972e16daef69fec3539a1ab8f1
sha1 8c9b618f63c6e560ce746d984052002fd096b34d
sha256 08696d9ee6de1fba39073e265f8ea34f3e96d7f1dcc571d475566574f4550e82
sha512 1ecfb45dd939ba119b15eae10ea7c408e2afc227b73073e6d7c75140e1d26e204320def35863d38d338cdbd7207992844594658e0e7ea9d82abfd3c04499dfe3
ripemd-160 755af9d2b8b671ed0f8c3faa617e3a6599634cc9

21231661 as geometric shapes

Circle

Radius = n
Diameter 42463322
Circumference 133402460.44222
Area 1.4161779083375E+15

Sphere

Radius = n
Volume 4.0090412354016E+22
Surface area 5.6647116333502E+15
Circumference 133402460.44222

Square

Length = n
Perimeter 84926644
Area 450783428818921
Diagonal 30026102.937908

Cube

Length = n
Surface area 2704700572913526
Volume 9.570880945101E+21
Space diagonal 36774315.581079

Equilateral Triangle

Length = n
Perimeter 63694983
Area 1.9519495048112E+14
Altitude 18387157.790539

Triangular Pyramid

Length = n
Surface area 1.9519495048112E+14
Volume 1.1279391363683E+21
Height 10008700.979303