21551371 (number)

21551371 is an odd 8-digits composite number following 21551370 and preceding 21551372. In scientific notation, it is written as 2.1551371 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 21205152 positive integers (up to 21551371) that are relatively prime to 21551371.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand three hundred seventy-one

Notation

Scientific notation 2.1551371 × 10^7
Engineering notation 2.1551371 × 10^6

Prime Factorization of 21551371

Prime Factorization 163 × 109 × 1213

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551371
Product of the distinct prime numbers

The prime factorization of 21551371 is 163 × 109 × 1213. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551371)

Multiplication

n×y
n×2 43102742
n×3 64654113
n×4 86205484
n×5 107756855

Division

n÷y
n÷2 10775685.5
n÷3 7183790.3333333
n÷3 5387842.75
n÷5 4310274.2

Exponentiation

ny
n2 464461591979641
n3 1.0009784084004E+22
n4 2.1572457042426E+29
n5 4.6491602510289E+36

Nth Root

y√n
2√n 4642.3454201513
3√n 278.2861768469
4√n 68.13475926538
5√n 29.288355048218

Divisors of 21551371

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 -21551370
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 21551371 can be divided by 8 positive divisors. The sum of these divisors (counting 21551371) is 1, the average is 0.125.

Base conversion 21551371

Base System Value
2 Binary 1010010001101100100001011
3 Ternary 1111112220220221
4 Quaternary 1102031210023
5 Quinary 21004120441
6 Senary 2045530511
8 Octal 122154413
10 Decimal 21551371
12 Duodecimal 7273a37
16 Hexadecimal 148d90b
20 Vigesimal 6edi8b
36 Base36 ctx57

Cryptographic Hash Functions

md5 c67864aae2e6fadc401ed7e0fc027298
sha1 9eed4818311ac2e6cd1346a52a89be37bcf25341
sha256 ccf701f9f842d34195333d879bb28259da40dd67a760f7ec5a5d95d0f5e4937e
sha512 06dcafd366a19ffe38f52b0f25bcb2deebc4e1ced857067c8525a5254fb5098c4b35b4e0e04503e818b6f6ebe55822d7cc1b43914bae27849da0088c47f39f09
ripemd-160 24ddadd3f46274bca42e5846f14e4d8040c0255e

21551371 as geometric shapes

Circle

Radius = n
Diameter 43102742
Circumference 135411257.61678
Area 1.4591491252379E+15

Sphere

Radius = n
Volume 4.1928885523102E+22
Surface area 5.8365965009514E+15
Circumference 135411257.61678

Square

Length = n
Perimeter 86205484
Area 464461591979641
Diagonal 30478241.155934

Cube

Length = n
Surface area 2786769551877846
Volume 1.0009784084004E+22
Space diagonal 37328069.544766

Equilateral Triangle

Length = n
Perimeter 64654113
Area 2.0111776886827E+14
Altitude 18664034.772383

Triangular Pyramid

Length = n
Surface area 2.0111776886827E+14
Volume 1.1796643673354E+21
Height 10159413.718645