21493389 (number)

21493389 is an odd 8-digits composite number following 21493388 and preceding 21493390. In scientific notation, it is written as 2.1493389 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 12441600 positive integers (up to 21493389) that are relatively prime to 21493389.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand three hundred eighty-nine

Notation

Scientific notation 2.1493389 × 10^7
Engineering notation 2.1493389 × 10^6

Prime Factorization of 21493389

Prime Factorization 3 × 17 × 19 × 41 × 541

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21493389
Product of the distinct prime numbers

The prime factorization of 21493389 is 3 × 17 × 19 × 41 × 541. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 2, 82, 10, 116, 646, 4166, 4120, 78434, 18087, 480128, 174082, 6418677, 6086617, 22074956, 53497806, 249888775, 137738199, 2613879450, 2755428252

Basic calculations (n = 21493389)

Multiplication

n×y
n×2 42986778
n×3 64480167
n×4 85973556
n×5 107466945

Division

n÷y
n÷2 10746694.5
n÷3 7164463
n÷3 5373347.25
n÷5 4298677.8

Exponentiation

ny
n2 461965770705321
n3 9.9292100144543E+21
n4 2.1341237330336E+29
n5 4.5869551568224E+36

Nth Root

y√n
2√n 4636.096310475
3√n 278.03638483108
4√n 68.088885366666
5√n 29.272578530834

Divisors of 21493389

1, 3, 17, 19, 41, 51, 57, 123, 323, 541, 697, 779, 969, 1623, 2091, 2337, 9197, 10279, 13243, 22181, 27591, 30837, 39729, 66543, 174743, 377077, 421439, 524229, 1131231, 1264317, 7164463, 21493389

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493388
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493389 can be divided by 32 positive divisors. The sum of these divisors (counting 21493389) is 1, the average is 0.03125.

Base conversion 21493389

Base System Value
2 Binary 1010001111111011010001101
3 Ternary 1111102222101110
4 Quaternary 1101333122031
5 Quinary 21000242024
6 Senary 2044402233
8 Octal 121773215
10 Decimal 21493389
12 Duodecimal 7246379
16 Hexadecimal 147f68d
20 Vigesimal 6e6d99
36 Base36 csoel

Cryptographic Hash Functions

md5 d977001c6c876e9be7bdcfea18c88943
sha1 908f810e2393edbebb865f858c653df9b4ad9b8c
sha256 fbf7a151adef41c7548faa104407c93b0870491dc22054763ef4d8308086693a
sha512 a0603aea77c36e16fb54385b35b5dd13860aa1ecf5f4867cd4e7df0125d173dbbd6b8a427dc2cae37b62d6e984b98de154c72a5ed620afa2d046a63ec616e054
ripemd-160 9b38ccc3029586530ba95b4e5c920a2c1e8a7e45

21493389 as geometric shapes

Circle

Radius = n
Diameter 42986778
Circumference 135046945.9663
Area 1.4513082714578E+15

Sphere

Radius = n
Volume 4.1591377649813E+22
Surface area 5.8052330858311E+15
Circumference 135046945.9663

Square

Length = n
Perimeter 85973556
Area 461965770705321
Diagonal 30396242.225161

Cube

Length = n
Surface area 2771794624231926
Volume 9.9292100144543E+21
Space diagonal 37227641.774842

Equilateral Triangle

Length = n
Perimeter 64480167
Area 2.0003704655483E+14
Altitude 18613820.887421

Triangular Pyramid

Length = n
Surface area 2.0003704655483E+14
Volume 1.1701686221743E+21
Height 10132080.74172