15741981 (number)

15741981 is an odd 8-digits composite number following 15741980 and preceding 15741982. In scientific notation, it is written as 1.5741981 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 10477896 positive integers (up to 15741981) that are relatively prime to 15741981.

Interesting facts

Basic properties

Name

Name fifteen million seven hundred forty-one thousand nine hundred eighty-one

Notation

Scientific notation 1.5741981 × 10^7
Engineering notation 1.5741981 × 10^6

Prime Factorization of 15741981

Prime Factorization 3 × 3 × 1847 × 947

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5247327
Product of the distinct prime numbers

The prime factorization of 15741981 is 3 × 3 × 1847 × 947. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 65, 37, 946, 72, 9204, 9369, 78521, 19466, 248168, 851323, 2298928, 1954690, 4154748, 44674469, 601519539, 316753498, 7685499007, 1424182167

Basic calculations (n = 15741981)

Multiplication

n×y
n×2 31483962
n×3 47225943
n×4 62967924
n×5 78709905

Division

n÷y
n÷2 7870990.5
n÷3 5247327
n÷3 3935495.25
n÷5 3148396.2

Exponentiation

ny
n2 247809965804361
n3 3.9010197733029E+21
n4 6.1409779151959E+28
n5 9.6671157662433E+35

Nth Root

y√n
2√n 3967.6165389312
3√n 250.6223481124
4√n 62.989019193278
5√n 27.505014407587

Divisors of 15741981

1, 3, 9, 947, 1847, 2841, 5541, 8523, 16623, 1749109, 5247327, 15741981

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 -15741980
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 15741981 can be divided by 12 positive divisors. The sum of these divisors (counting 15741981) is 1, the average is 0.083333333333333.

Base conversion 15741981

Base System Value
2 Binary 111100000011010000011101
3 Ternary 1002121202221100
4 Quaternary 330003100131
5 Quinary 13012220411
6 Senary 1321223313
8 Octal 74032035
10 Decimal 15741981
12 Duodecimal 5331b39
16 Hexadecimal f0341d
20 Vigesimal 4i7ej1
36 Base36 9del9

Cryptographic Hash Functions

md5 79f479f7442efbce60887468b16c39d4
sha1 dc868e18f5e4c436997fbf8d6339d5523bd56fd3
sha256 ebf5dc6263965c10383247acaa61c3166cff6eb8c094a939602a466ce9f2a4bb
sha512 cf65bb94dc2c1ba343a7451054c470e5030132efff4f33079754559538304921b30a6cef30a5867a048a1f5745de8c18e44d106cc4500c617f10e816b50c21ef
ripemd-160 e0b5c0b2632040c37ee57028b3596745755c1f18

15741981 as geometric shapes

Circle

Radius = n
Diameter 31483962
Circumference 98909783.7251
Area 7.7851796805732E+14

Sphere

Radius = n
Volume 1.6340553415089E+22
Surface area 3.1140718722293E+15
Circumference 98909783.7251

Square

Length = n
Perimeter 62967924
Area 247809965804361
Diagonal 22262523.02882

Cube

Length = n
Surface area 1486859794826166
Volume 3.9010197733029E+21
Space diagonal 27265910.903784

Equilateral Triangle

Length = n
Perimeter 47225943
Area 1.0730486284876E+14
Altitude 13632955.451892

Triangular Pyramid

Length = n
Surface area 1.0730486284876E+14
Volume 4.5973958920755E+20
Height 7420841.0096065