21556747 (number)

21556747 is an odd 8-digits composite number following 21556746 and preceding 21556748. In scientific notation, it is written as 2.1556747 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 21546720 positive integers (up to 21556747) that are relatively prime to 21556747.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-six thousand seven hundred forty-seven

Notation

Scientific notation 2.1556747 × 10^7
Engineering notation 2.1556747 × 10^6

Prime Factorization of 21556747

Prime Factorization 3121 × 6907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21556747
Product of the distinct prime numbers

The prime factorization of 21556747 is 3121 × 6907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556747)

Multiplication

n×y
n×2 43113494
n×3 64670241
n×4 86226988
n×5 107783735

Division

n÷y
n÷2 10778373.5
n÷3 7185582.3333333
n÷3 5389186.75
n÷5 4311349.4

Exponentiation

ny
n2 464693341222009
n3 1.0017276789308E+22
n4 2.1593990137607E+29
n5 4.654961821169E+36

Nth Root

y√n
2√n 4642.9244017106
3√n 278.30931446393
4√n 68.139007930191
5√n 29.28981610133

Divisors of 21556747

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21556746
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556747 can be divided by 4 positive divisors. The sum of these divisors (counting 21556747) is 1, the average is 0.25.

Base conversion 21556747

Base System Value
2 Binary 1010010001110111000001011
3 Ternary 1111120012022001
4 Quaternary 1102032320023
5 Quinary 21004303442
6 Senary 2050011431
8 Octal 122167013
10 Decimal 21556747
12 Duodecimal 7276b77
16 Hexadecimal 148ee0b
20 Vigesimal 6eebh7
36 Base36 cu1aj

Cryptographic Hash Functions

md5 a51f93a3755a7e25a0f975e91a91c1f7
sha1 b5e7a9c3212159d8972daa7f8331be7dcce6a096
sha256 4c81aeac76c92dd3d7a2099135671afadc805e79b8483148bf5bb2992f203aa6
sha512 241a63a76ba36774c0aec55aa9cd67955b85d4022cb6f4966c2d76f0c662f6aa2480983a991e407d1ba724e3864b08f76ac3e256641accfb33a680e65c58adf7
ripemd-160 774567f1f2166bb8a64a6a731d7fad0ac61dfad8

21556747 as geometric shapes

Circle

Radius = n
Diameter 43113494
Circumference 135445036.02099
Area 1.4598771869552E+15

Sphere

Radius = n
Volume 4.1960270893685E+22
Surface area 5.8395087478206E+15
Circumference 135445036.02099

Square

Length = n
Perimeter 86226988
Area 464693341222009
Diagonal 30485843.968046

Cube

Length = n
Surface area 2788160047332054
Volume 1.0017276789308E+22
Space diagonal 37337381.049908

Equilateral Triangle

Length = n
Perimeter 64670241
Area 2.0121811923387E+14
Altitude 18668690.524954

Triangular Pyramid

Length = n
Surface area 2.0121811923387E+14
Volume 1.1805473911237E+21
Height 10161947.989349