21554761 (number)

21554761 is an odd 8-digits composite number following 21554760 and preceding 21554762. In scientific notation, it is written as 2.1554761 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21543300 positive integers (up to 21554761) that are relatively prime to 21554761.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-four thousand seven hundred sixty-one

Notation

Scientific notation 2.1554761 × 10^7
Engineering notation 2.1554761 × 10^6

Prime Factorization of 21554761

Prime Factorization 2371 × 9091

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21554761
Product of the distinct prime numbers

The prime factorization of 21554761 is 2371 × 9091. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21554761)

Multiplication

n×y
n×2 43109522
n×3 64664283
n×4 86219044
n×5 107773805

Division

n÷y
n÷2 10777380.5
n÷3 7184920.3333333
n÷3 5388690.25
n÷5 4310952.2

Exponentiation

ny
n2 464607721767121
n3 1.0014508401445E+22
n4 2.1586033512563E+29
n5 4.652817933013E+36

Nth Root

y√n
2√n 4642.7105229596
3√n 278.30076742182
4√n 68.137438482523
5√n 29.289276393566

Divisors of 21554761

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 -21554760
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 21554761 can be divided by 4 positive divisors. The sum of these divisors (counting 21554761) is 1, the average is 0.25.

Base conversion 21554761

Base System Value
2 Binary 1010010001110011001001001
3 Ternary 1111120002120111
4 Quaternary 1102032121021
5 Quinary 21004223021
6 Senary 2045554321
8 Octal 122163111
10 Decimal 21554761
12 Duodecimal 72759a1
16 Hexadecimal 148e649
20 Vigesimal 6ee6i1
36 Base36 ctzrd

Cryptographic Hash Functions

md5 29f2d2941d1457f0dd53412599a0d596
sha1 cf60b3972cb048a6bb0d9fe7ffda152f0ed916c0
sha256 fb6be822cf90d7e8bac22380ed9aa24340836fcd94c94108a4ca6b21d3dde7b4
sha512 49ab5b970fb0c0142e622e9658e5895e73022322ba163d6ad5c99446239fa42430e75782b8d1ee7ea14b78420d4585a1907544649c095eeb860b11ef23bc8ed0
ripemd-160 78e0b6dbc4557dc82c07a36dc18a025ba50fe602

21554761 as geometric shapes

Circle

Radius = n
Diameter 43109522
Circumference 135432557.61497
Area 1.4596082055047E+15

Sphere

Radius = n
Volume 4.1948674697723E+22
Surface area 5.8384328220187E+15
Circumference 135432557.61497

Square

Length = n
Perimeter 86219044
Area 464607721767121
Diagonal 30483035.339911

Cube

Length = n
Surface area 2787646330602726
Volume 1.0014508401445E+22
Space diagonal 37333941.197004

Equilateral Triangle

Length = n
Perimeter 64664283
Area 2.0118104492237E+14
Altitude 18666970.598502

Triangular Pyramid

Length = n
Surface area 2.0118104492237E+14
Volume 1.1802211334852E+21
Height 10161011.77997