31002981 (number)

31002981 is an odd 8-digits composite number following 31002980 and preceding 31002982. In scientific notation, it is written as 3.1002981 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 20668652 positive integers (up to 31002981) that are relatively prime to 31002981.

Interesting facts

Basic properties

Name

Name thirty-one million two thousand nine hundred eighty-one

Notation

Scientific notation 3.1002981 × 10^7
Engineering notation 3.1002981 × 10^6

Prime Factorization of 31002981

Prime Factorization 3 × 10334327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31002981
Product of the distinct prime numbers

The prime factorization of 31002981 is 3 × 10334327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31002981)

Multiplication

n×y
n×2 62005962
n×3 93008943
n×4 124011924
n×5 155014905

Division

n÷y
n÷2 15501490.5
n÷3 10334327
n÷3 7750745.25
n÷5 6200596.2

Exponentiation

ny
n2 961184830886361
n3 2.9799595049458E+22
n4 9.2387627912604E+29
n5 2.8642918728095E+37

Nth Root

y√n
2√n 5568.0320580974
3√n 314.14813422363
4√n 74.619247236202
5√n 31.497834071207

Divisors of 31002981

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 -31002980
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 31002981 can be divided by 4 positive divisors. The sum of these divisors (counting 31002981) is 1, the average is 0.25.

Base conversion 31002981

Base System Value
2 Binary 1110110010001000101100101
3 Ternary 2011100010002120
4 Quaternary 1312101011211
5 Quinary 30414043411
6 Senary 3024300153
8 Octal 166210545
10 Decimal 31002981
12 Duodecimal a471659
16 Hexadecimal 1d91165
20 Vigesimal 9df791
36 Base36 igi1x

Cryptographic Hash Functions

md5 a85b2b27561b6d342c2260addd1b4f0e
sha1 f8f55e1d0ac1f85bf8aec5e4a8028f85ed37a23a
sha256 779062ddde7d2a1246580140f6b1a60bd52c75be084a06d1cfd8523a674c448a
sha512 af6b90e34005e83ef6c597b118dbb3afb6b0df318901caa298a0d9cee853ebede0746b781712f00e520c6ca339d14501e27e578801256496a60fdc01edab7da2
ripemd-160 53579a6cdebb17e11d28b34edff7186befb73a5d

31002981 as geometric shapes

Circle

Radius = n
Diameter 62005962
Circumference 194797474.69797
Area 3.0196512034545E+15

Sphere

Radius = n
Volume 1.2482425184977E+23
Surface area 1.2078604813818E+16
Circumference 194797474.69797

Square

Length = n
Perimeter 124011924
Area 961184830886361
Diagonal 43844836.204195

Cube

Length = n
Surface area 5767108985318166
Volume 2.9799595049458E+22
Space diagonal 53698738.278093

Equilateral Triangle

Length = n
Perimeter 93008943
Area 4.1620524063992E+14
Altitude 26849369.139046

Triangular Pyramid

Length = n
Surface area 4.1620524063992E+14
Volume 3.5119159560141E+21
Height 14614945.401398