21551261 (number)

21551261 is an odd 8-digits composite number following 21551260 and preceding 21551262. In scientific notation, it is written as 2.1551261 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 21222432 positive integers (up to 21551261) that are relatively prime to 21551261.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand two hundred sixty-one

Notation

Scientific notation 2.1551261 × 10^7
Engineering notation 2.1551261 × 10^6

Prime Factorization of 21551261

Prime Factorization 89 × 523 × 463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551261
Product of the distinct prime numbers

The prime factorization of 21551261 is 89 × 523 × 463. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551261)

Multiplication

n×y
n×2 43102522
n×3 64653783
n×4 86205044
n×5 107756305

Division

n÷y
n÷2 10775630.5
n÷3 7183753.6666667
n÷3 5387815.25
n÷5 4310252.2

Exponentiation

ny
n2 464456850690121
n3 1.0009630812461E+22
n4 2.1572016615299E+29
n5 4.6490416037264E+36

Nth Root

y√n
2√n 4642.3335726766
3√n 278.28570338079
4√n 68.134672323836
5√n 29.288325150114

Divisors of 21551261

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 -21551260
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 21551261 can be divided by 8 positive divisors. The sum of these divisors (counting 21551261) is 1, the average is 0.125.

Base conversion 21551261

Base System Value
2 Binary 1010010001101100010011101
3 Ternary 1111112220202212
4 Quaternary 1102031202131
5 Quinary 21004120021
6 Senary 2045530205
8 Octal 122154235
10 Decimal 21551261
12 Duodecimal 7273965
16 Hexadecimal 148d89d
20 Vigesimal 6edi31
36 Base36 ctx25

Cryptographic Hash Functions

md5 ab93a77627877405fde29b8a704f1702
sha1 ea01c0b61d4cbd40d87f7da01d353c675ff33216
sha256 6d0d7a9d84b7e6c353b9adc6d6ac189e857b8acf3b16bf87c373ee7a091911c9
sha512 93c484e4b7799256d8055e5f77e8dc1a84b86338db5cb38e610ddb2dbbd9e1bea4ace49348a0f46cd6f48bb9a1061e46e9e1ade6de90a8a1adc0b6f02cc419d2
ripemd-160 acdf0d7998a01da9804c368ac5efd34416958b9c

21551261 as geometric shapes

Circle

Radius = n
Diameter 43102522
Circumference 135410566.46639
Area 1.4591342300375E+15

Sphere

Radius = n
Volume 4.1928243500764E+22
Surface area 5.8365369201501E+15
Circumference 135410566.46639

Square

Length = n
Perimeter 86205044
Area 464456850690121
Diagonal 30478085.592442

Cube

Length = n
Surface area 2786741104140726
Volume 1.0009630812461E+22
Space diagonal 37327879.019178

Equilateral Triangle

Length = n
Perimeter 64653783
Area 2.0111571582968E+14
Altitude 18663939.509589

Triangular Pyramid

Length = n
Surface area 2.0111571582968E+14
Volume 1.1796463041108E+21
Height 10159361.864147