21293381 (number)

21293381 is an odd 8-digits composite number following 21293380 and preceding 21293382. In scientific notation, it is written as 2.1293381 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 21104832 positive integers (up to 21293381) that are relatively prime to 21293381.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-three thousand three hundred eighty-one

Notation

Scientific notation 2.1293381 × 10^7
Engineering notation 2.1293381 × 10^6

Prime Factorization of 21293381

Prime Factorization 113 × 188437

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21293381
Product of the distinct prime numbers

The prime factorization of 21293381 is 113 × 188437. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21293381)

Multiplication

n×y
n×2 42586762
n×3 63880143
n×4 85173524
n×5 106466905

Division

n÷y
n÷2 10646690.5
n÷3 7097793.6666667
n÷3 5323345.25
n÷5 4258676.2

Exponentiation

ny
n2 453408074411161
n3 9.6545908769132E+21
n4 2.0557888194124E+29
n5 4.3774694587288E+36

Nth Root

y√n
2√n 4614.4751597554
3√n 277.17126779331
4√n 67.929928306715
5√n 29.217895064683

Divisors of 21293381

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 -21293380
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 21293381 can be divided by 4 positive divisors. The sum of these divisors (counting 21293381) is 1, the average is 0.25.

Base conversion 21293381

Base System Value
2 Binary 1010001001110100101000101
3 Ternary 1111001211000202
4 Quaternary 1101032211011
5 Quinary 20422342011
6 Senary 2040220245
8 Octal 121164505
10 Decimal 21293381
12 Duodecimal 716a685
16 Hexadecimal 144e945
20 Vigesimal 6d1d91
36 Base36 coe2t

Cryptographic Hash Functions

md5 929f6f1f87bfd0cf565355ed8ed58fda
sha1 729e9758768fa8099f6439c049ca218c8b0b2647
sha256 97205e9f4f7a81ad833301d532cf5386a01aea5e08367625e0d8845c4099cf70
sha512 5955f0bab9f2cbd245cd454d860a7f8e4057c2778e4263cb6d52a1994cdc7a4d188cccae21e43411b726be41737faf795406f4fb4104728b12e28dfcdaed78ff
ripemd-160 f5f0f3f9fb18fca17a13233d3b7d6f3c8129528d

21293381 as geometric shapes

Circle

Radius = n
Diameter 42586762
Circumference 133790258.63938
Area 1.4244234756484E+15

Sphere

Radius = n
Volume 4.0441055696434E+22
Surface area 5.6976939025936E+15
Circumference 133790258.63938

Square

Length = n
Perimeter 85173524
Area 453408074411161
Diagonal 30113388.198978

Cube

Length = n
Surface area 2720448446466966
Volume 9.6545908769132E+21
Space diagonal 36881217.756922

Equilateral Triangle

Length = n
Perimeter 63880143
Area 1.9633145536053E+14
Altitude 18440608.878461

Triangular Pyramid

Length = n
Surface area 1.9633145536053E+14
Volume 1.1378044464412E+21
Height 10037796.066326