21095945 (number)

21095945 is an odd 8-digits composite number following 21095944 and preceding 21095946. In scientific notation, it is written as 2.1095945 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 14648832 positive integers (up to 21095945) that are relatively prime to 21095945.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-five thousand nine hundred forty-five

Notation

Scientific notation 2.1095945 × 10^7
Engineering notation 2.1095945 × 10^6

Prime Factorization of 21095945

Prime Factorization 115 × 13 × 103 × 137

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21095945
Product of the distinct prime numbers

The prime factorization of 21095945 is 115 × 13 × 103 × 137. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 92, 76, 429, 540, 9518, 2344, 96849, 93267, 773926, 807380, 4427640, 5156428, 88609329, 92661286, 711560781, 234035207, 4744223401, 5107681748

Basic calculations (n = 21095945)

Multiplication

n×y
n×2 42191890
n×3 63287835
n×4 84383780
n×5 105479725

Division

n÷y
n÷2 10547972.5
n÷3 7031981.6666667
n÷3 5273986.25
n÷5 4219189

Exponentiation

ny
n2 445038895443025
n3 9.3885160611268E+21
n4 1.9805961845715E+29
n5 4.178254817693E+36

Nth Root

y√n
2√n 4593.0322228349
3√n 276.31194600534
4√n 67.771913229855
5√n 29.163510283166

Divisors of 21095945

1, 13, 103, 115, 137, 1339, 1495, 1781, 11845, 14111, 15755, 153985, 183443, 204815, 1622765, 21095945

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21095944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21095945 can be divided by 16 positive divisors. The sum of these divisors (counting 21095945) is 1, the average is 0.0625.

Base conversion 21095945

Base System Value
2 Binary 1010000011110011000001001
3 Ternary 1110200210012022
4 Quaternary 1100132120021
5 Quinary 20400032240
6 Senary 2032054225
8 Octal 120363011
10 Decimal 21095945
12 Duodecimal 7094375
16 Hexadecimal 141e609
20 Vigesimal 6bgjh5
36 Base36 ck5qh

Cryptographic Hash Functions

md5 85f0d6889eb2308c14f09cd79f17d8d5
sha1 29fd4fd110a58f70aaf07f96ddaff2ccb0c7758a
sha256 a9c8094c508430aa5bc741f9e6c0987226bd76785d9b7f8fa0252c9eacc518a6
sha512 3367df7563c8fd107c421c58915844c37e21d7265d5a3e8b01951e0f282d4aac7f1ec8bc129ec934d6988ac7d30a74968a6afdb24b70b38fec13775ae8fd2c39
ripemd-160 caf48ae2a0f7e5c27ab48542f7c94bf702543c46

21095945 as geometric shapes

Circle

Radius = n
Diameter 42191890
Circumference 132549731.66507
Area 1.3981309244855E+15

Sphere

Radius = n
Volume 3.9326524114328E+22
Surface area 5.5925236979421E+15
Circumference 132549731.66507

Square

Length = n
Perimeter 84383780
Area 445038895443025
Diagonal 29834171.530077

Cube

Length = n
Surface area 2670233372658150
Volume 9.3885160611268E+21
Space diagonal 36539248.573679

Equilateral Triangle

Length = n
Perimeter 63287835
Area 1.9270749456291E+14
Altitude 18269624.286839

Triangular Pyramid

Length = n
Surface area 1.9270749456291E+14
Volume 1.1064472286836E+21
Height 9944723.843359