21551807 (number)

21551807 is an odd 8-digits composite number following 21551806 and preceding 21551808. In scientific notation, it is written as 2.1551807 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 21194784 positive integers (up to 21551807) that are relatively prime to 21551807.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand eight hundred seven

Notation

Scientific notation 2.1551807 × 10^7
Engineering notation 2.1551807 × 10^6

Prime Factorization of 21551807

Prime Factorization 109 × 149 × 1327

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551807
Product of the distinct prime numbers

The prime factorization of 21551807 is 109 × 149 × 1327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551807)

Multiplication

n×y
n×2 43103614
n×3 64655421
n×4 86207228
n×5 107759035

Division

n÷y
n÷2 10775903.5
n÷3 7183935.6666667
n÷3 5387951.75
n÷5 4310361.4

Exponentiation

ny
n2 464480384965249
n3 1.0010391612057E+22
n4 2.1574202801747E+29
n5 4.649630549621E+36

Nth Root

y√n
2√n 4642.3923789357
3√n 278.28805347856
4√n 68.135103866771
5√n 29.288473552229

Divisors of 21551807

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 -21551806
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 21551807 can be divided by 8 positive divisors. The sum of these divisors (counting 21551807) is 1, the average is 0.125.

Base conversion 21551807

Base System Value
2 Binary 1010010001101101010111111
3 Ternary 1111112221112002
4 Quaternary 1102031222333
5 Quinary 21004124212
6 Senary 2045532515
8 Octal 122155277
10 Decimal 21551807
12 Duodecimal 727413b
16 Hexadecimal 148dabf
20 Vigesimal 6edja7
36 Base36 ctxhb

Cryptographic Hash Functions

md5 82b42705695ed2c534846fcd8663abc3
sha1 b5a23c28800d0d514965ececc558ee083fc5f1c4
sha256 f15bb8eb9b988346783bd426d4a14efa3399ee9c8a6aec9a07039683e9541afd
sha512 49988c3b323b8d23c207d6abb8dbe7fc9463515e1883befdac73401d7712d2f8e6328d8ac09f5391554fded35a9caf0c9f97581a141504ed4921ef14a08ee46b
ripemd-160 1be862dbe045beec0400c484ec17029844686b75

21551807 as geometric shapes

Circle

Radius = n
Diameter 43103614
Circumference 135413997.08557
Area 1.4592081651434E+15

Sphere

Radius = n
Volume 4.1931430330659E+22
Surface area 5.8368326605735E+15
Circumference 135413997.08557

Square

Length = n
Perimeter 86207228
Area 464480384965249
Diagonal 30478857.753047

Cube

Length = n
Surface area 2786882309791494
Volume 1.0010391612057E+22
Space diagonal 37328824.718919

Equilateral Triangle

Length = n
Perimeter 64655421
Area 2.0112590646974E+14
Altitude 18664412.359459

Triangular Pyramid

Length = n
Surface area 2.0112590646974E+14
Volume 1.179735965203E+21
Height 10159619.251016