21881331 (number)

21881331 is an odd 8-digits composite number following 21881330 and preceding 21881332. In scientific notation, it is written as 2.1881331 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13478400 positive integers (up to 21881331) that are relatively prime to 21881331.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-one thousand three hundred thirty-one

Notation

Scientific notation 2.1881331 × 10^7
Engineering notation 2.1881331 × 10^6

Prime Factorization of 21881331

Prime Factorization 9 × 779 × 3121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21881331
Product of the distinct prime numbers

The prime factorization of 21881331 is 9 × 779 × 3121. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21881331)

Multiplication

n×y
n×2 43762662
n×3 65643993
n×4 87525324
n×5 109406655

Division

n÷y
n÷2 10940665.5
n÷3 7293777
n÷3 5470332.75
n÷5 4376266.2

Exponentiation

ny
n2 478792646331561
n3 1.0476620374747E+22
n4 2.2924239818118E+29
n5 5.0161287938362E+36

Nth Root

y√n
2√n 4677.7484968733
3√n 279.69921356433
4√n 68.394067702347
5√n 29.377494061914

Divisors of 21881331

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 -21881330
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 21881331 can be divided by 8 positive divisors. The sum of these divisors (counting 21881331) is 1, the average is 0.125.

Base conversion 21881331

Base System Value
2 Binary 1010011011110000111110011
3 Ternary 1112011200112200
4 Quaternary 1103132013303
5 Quinary 21100200311
6 Senary 2100554243
8 Octal 123360763
10 Decimal 21881331
12 Duodecimal 73b2983
16 Hexadecimal 14de1f3
20 Vigesimal 6gf36b
36 Base36 d0zqr

Cryptographic Hash Functions

md5 e81f507fbc39404f3c7e90aa3aa0ef81
sha1 bdf500b307f70cbcf74ba888fcb59714a4025559
sha256 7d569a8da6b4a77827d67597624cf265eb785d54d70e757fe1f01000e9504220
sha512 b8a2ed58112aad26f9c61a2fff4630e56df3f231a328cd5d7a2fbb841f8eea0346b994500db2b031391b88db460b1a45ca7ee6aeed10f4958c524413db1d5be6
ripemd-160 f8e687912c053aa013c33bf5086bdf1dc8421fb6

21881331 as geometric shapes

Circle

Radius = n
Diameter 43762662
Circumference 137484457.44073
Area 1.504171460308E+15

Sphere

Radius = n
Volume 4.3884364805005E+22
Surface area 6.0166858412322E+15
Circumference 137484457.44073

Square

Length = n
Perimeter 87525324
Area 478792646331561
Diagonal 30944875.062975

Cube

Length = n
Surface area 2872755877989366
Volume 1.0476620374747E+22
Space diagonal 37899577.029232

Equilateral Triangle

Length = n
Perimeter 65643993
Area 2.0732329743416E+14
Altitude 18949788.514616

Triangular Pyramid

Length = n
Surface area 2.0732329743416E+14
Volume 1.2346815518168E+21
Height 10314958.354325