31369981 (number)

31369981 is an odd 8-digits composite number following 31369980 and preceding 31369982. In scientific notation, it is written as 3.1369981 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 29524672 positive integers (up to 31369981) that are relatively prime to 31369981.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred sixty-nine thousand nine hundred eighty-one

Notation

Scientific notation 3.1369981 × 10^7
Engineering notation 3.1369981 × 10^6

Prime Factorization of 31369981

Prime Factorization 17 × 1845293

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31369981
Product of the distinct prime numbers

The prime factorization of 31369981 is 17 × 1845293. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31369981)

Multiplication

n×y
n×2 62739962
n×3 94109943
n×4 125479924
n×5 156849905

Division

n÷y
n÷2 15684990.5
n÷3 10456660.333333
n÷3 7842495.25
n÷5 6273996.2

Exponentiation

ny
n2 984075707940361
n3 3.0870436260651E+22
n4 9.6840499895832E+29
n5 3.0378846417628E+37

Nth Root

y√n
2√n 5600.8910898178
3√n 315.38285857103
4√n 74.839101342933
5√n 31.572055031696

Divisors of 31369981

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 -31369980
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 31369981 can be divided by 4 positive divisors. The sum of these divisors (counting 31369981) is 1, the average is 0.25.

Base conversion 31369981

Base System Value
2 Binary 1110111101010101011111101
3 Ternary 2012000202112011
4 Quaternary 1313222223331
5 Quinary 31012314411
6 Senary 3040211221
8 Octal 167525375
10 Decimal 31369981
12 Duodecimal a609b11
16 Hexadecimal 1deaafd
20 Vigesimal 9g14j1
36 Base36 iod8d

Cryptographic Hash Functions

md5 b03530a244021e3087e25396952df4e1
sha1 d2a0ce4ab84a38280c0678e48f624b51cfc8dcfe
sha256 a82f27e261ca60b59b01a9194731db9cd1e4e10dcaa67451483e5cae991983f0
sha512 efa225d069047a96d49e3d7d84a2c09295e0b638303a835a6ac282b87e3d4bb3f7877af3608208a2be3a751241b948ca6972e251b7423d48fd16af4e7da8cf03
ripemd-160 a8eb2e48fa22578be470fb3b6f4d91ea617b82ff

31369981 as geometric shapes

Circle

Radius = n
Diameter 62739962
Circumference 197103403.7057
Area 3.0915650146416E+15

Sphere

Radius = n
Volume 1.293097810261E+23
Surface area 1.2366260058566E+16
Circumference 197103403.7057

Square

Length = n
Perimeter 125479924
Area 984075707940361
Diagonal 44363852.581586

Cube

Length = n
Surface area 5904454247642166
Volume 3.0870436260651E+22
Space diagonal 54334400.92447

Equilateral Triangle

Length = n
Perimeter 94109943
Area 4.2611728116175E+14
Altitude 27167200.462235

Triangular Pyramid

Length = n
Surface area 4.2611728116175E+14
Volume 3.6381158030155E+21
Height 14787950.860529