21931386 (number)

21931386 is an even 8-digits composite number following 21931385 and preceding 21931387. In scientific notation, it is written as 2.1931386 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 7310460 positive integers (up to 21931386) that are relatively prime to 21931386.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand three hundred eighty-six

Notation

Scientific notation 2.1931386 × 10^7
Engineering notation 2.1931386 × 10^6

Prime Factorization of 21931386

Prime Factorization 2 × 3 × 3655231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21931386
Product of the distinct prime numbers

The prime factorization of 21931386 is 2 × 3 × 3655231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931386)

Multiplication

n×y
n×2 43862772
n×3 65794158
n×4 87725544
n×5 109656930

Division

n÷y
n÷2 10965693
n÷3 7310462
n÷3 5482846.5
n÷5 4386277.2

Exponentiation

ny
n2 480985691880996
n3 1.0548682869119E+22
n4 2.3134723579424E+29
n5 5.0737655282365E+36

Nth Root

y√n
2√n 4683.0957709618
3√n 279.91232799368
4√n 68.4331481883
5√n 29.390922374582

Divisors of 21931386

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 -21931385
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 21931386 can be divided by 8 positive divisors. The sum of these divisors (counting 21931386) is 1, the average is 0.125.

Base conversion 21931386

Base System Value
2 Binary 1010011101010010101111010
3 Ternary 1112021020012120
4 Quaternary 1103222111322
5 Quinary 21103301021
6 Senary 2102022110
8 Octal 123522572
10 Decimal 21931386
12 Duodecimal 7417936
16 Hexadecimal 14ea57a
20 Vigesimal 6h1896
36 Base36 d22d6

Cryptographic Hash Functions

md5 ddc7ad38b1424bbe09d568b6cce252fc
sha1 d9cfe71ede2b15f3bc1030c7711636718fa3829a
sha256 83f3d6571c7cebd94a77a536d6185c6e50e6f3607531f1a8b8f888a46b38c359
sha512 a318034ad7296e2448e5b6d054d17a79a73095127238aaa03588ca9e4c8757f0ffbc2e3ced87c770a37fee38cc952ed58b632744386b9497d6027fdb0d1d0316
ripemd-160 15700ea34b739314676fe95e998c283ba0bbcde8

21931386 as geometric shapes

Circle

Radius = n
Diameter 43862772
Circumference 137798962.28128
Area 1.5110611160951E+15

Sphere

Radius = n
Volume 4.4186219475564E+22
Surface area 6.0442444643806E+15
Circumference 137798962.28128

Square

Length = n
Perimeter 87725544
Area 480985691880996
Diagonal 31015663.522839

Cube

Length = n
Surface area 2885914151285976
Volume 1.0548682869119E+22
Space diagonal 37986274.832405

Equilateral Triangle

Length = n
Perimeter 65794158
Area 2.0827291401289E+14
Altitude 18993137.416202

Triangular Pyramid

Length = n
Surface area 2.0827291401289E+14
Volume 1.2431741982234E+21
Height 10338554.507613