26865981 (number)

26865981 is an odd 8-digits composite number following 26865980 and preceding 26865982. In scientific notation, it is written as 2.6865981 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 16965936 positive integers (up to 26865981) that are relatively prime to 26865981.

Interesting facts

Basic properties

Name

Name twenty-six million eight hundred sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 2.6865981 × 10^7
Engineering notation 2.6865981 × 10^6

Prime Factorization of 26865981

Prime Factorization 9 × 19 × 19 × 8269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1413999
Product of the distinct prime numbers

The prime factorization of 26865981 is 9 × 19 × 19 × 8269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 87, 92, 684, 984, 3167, 1742, 54906, 62921, 691934, 652219, 1337145, 3766475, 13082508, 11329086, 32281671, 758380692, 8700603114, 2537940629

Basic calculations (n = 26865981)

Multiplication

n×y
n×2 53731962
n×3 80597943
n×4 107463924
n×5 134329905

Division

n÷y
n÷2 13432990.5
n÷3 8955327
n÷3 6716495.25
n÷5 5373196.2

Exponentiation

ny
n2 721780935092361
n3 1.9391352888354E+22
n4 5.209677182628E+29
n5 1.3996308820462E+37

Nth Root

y√n
2√n 5183.240395737
3√n 299.50280979487
4√n 71.994724777146
5√n 30.608393828947

Divisors of 26865981

1, 9, 19, 171, 361, 3249, 8269, 74421, 157111, 1413999, 2985109, 26865981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -26865980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 26865981 can be divided by 12 positive divisors. The sum of these divisors (counting 26865981) is 1, the average is 0.083333333333333.

Base conversion 26865981

Base System Value
2 Binary 1100110011111000100111101
3 Ternary 1212112221012100
4 Quaternary 1212133010331
5 Quinary 23334202411
6 Senary 2355455313
8 Octal 146370475
10 Decimal 26865981
12 Duodecimal 8bb7539
16 Hexadecimal 199f13d
20 Vigesimal 87i4j1
36 Base36 fztx9

Cryptographic Hash Functions

md5 c3902370c0abc3b64d1a7ad29b0b2a80
sha1 ef21d96a790b51acc4d7b01d766f6c8d60e9b595
sha256 58228ab632c881ea37028da46495ddbe24f72664825624a232e3b1f0ea2bc585
sha512 e42440cb4fde3b83f781544e8aabe3023c0d1bd9df42acb548943c16dd314052b29278ec71bd2bf5db44a61398dab94a1d358523ce8f8b443c293bcd4dfb6c97
ripemd-160 2805d645d3e63b247e8ba9d96e9cb3fa023f0a5a

26865981 as geometric shapes

Circle

Radius = n
Diameter 53731962
Circumference 168803937.08217
Area 2.2675416831873E+15

Sphere

Radius = n
Volume 8.1226309036292E+22
Surface area 9.0701667327493E+15
Circumference 168803937.08217

Square

Length = n
Perimeter 107463924
Area 721780935092361
Diagonal 37994234.696658

Cube

Length = n
Surface area 4330685610554166
Volume 1.9391352888354E+22
Space diagonal 46533244.08718

Equilateral Triangle

Length = n
Perimeter 80597943
Area 3.1254031287864E+14
Altitude 23266622.04359

Triangular Pyramid

Length = n
Surface area 3.1254031287864E+14
Volume 2.285292853956E+21
Height 12664744.898886