31981889 (number)

31981889 is an odd 8-digits prime number following 31981888 and preceding 31981890. In scientific notation, it is written as 3.1981889 × 10^7. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 31981888 positive integers (up to 31981889) that are relatively prime to 31981889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1981889 × 10^7
Engineering notation 3.1981889 × 10^6

Prime Factorization of 31981889

Prime Factorization 31981889

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 31981889
Product of the distinct prime numbers

The prime factorization of 31981889 is 31981889. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 7, 73, 14, 947, 115, 8906, 8542, 44457, 2353, 545916, 854799, 7709415, 431694, 82700617, 88609081, 793181646, 890320548, 6443000335, 4622173190

Basic calculations (n = 31981889)

Multiplication

n×y
n×2 63963778
n×3 95945667
n×4 127927556
n×5 159909445

Division

n÷y
n÷2 15990944.5
n÷3 10660629.666667
n÷3 7995472.25
n÷5 6396377.8

Exponentiation

ny
n2 1022841224008321
n3 3.2712394490858E+22
n4 1.0462041695308E+30
n5 3.3459585621273E+37

Nth Root

y√n
2√n 5655.2532215631
3√n 317.42030446465
4√n 75.2014176832
5√n 31.694275036592

Divisors of 31981889

1, 31981889

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 31981890
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 15990945
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5655.2533099765
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999374646
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31981889 can be divided by 2 positive divisors. The sum of these divisors (counting 31981889) is 31981890, the average is 15990945.

Base conversion 31981889

Base System Value
2 Binary 1111010000000000101000001
3 Ternary 2020011211220102
4 Quaternary 1322000011001
5 Quinary 31141410024
6 Senary 3101252145
8 Octal 172000501
10 Decimal 31981889
12 Duodecimal a864055
16 Hexadecimal 1e80141
20 Vigesimal 9jhee9
36 Base36 j1hdt

Cryptographic Hash Functions

md5 8b002644301161b9fb4ff6a4ba87bd65
sha1 f716d1000347474043ad78756d82c5d4460d6c86
sha256 2f01d8026517e3e75565d5ea4f8df9b6e385500db3080c5fda7fd3a30fb1fa83
sha512 0bba06f367652e464d10c7a0393d64698a0623ba9bffa113f6a7c9ad5b5aa5f0514b04fa4a1b7b245b4cd2ea440305fc1124dde5ed157f7958b62d8a52799659
ripemd-160 a6701cc0d9467df8674bbbc134c2d726466248d5

31981889 as geometric shapes

Circle

Radius = n
Diameter 63963778
Circumference 200948135.06065
Area 3.2133504751333E+15

Sphere

Radius = n
Volume 1.3702535761842E+23
Surface area 1.2853401900533E+16
Circumference 200948135.06065

Square

Length = n
Perimeter 127927556
Area 1022841224008321
Diagonal 45229221.174111

Cube

Length = n
Surface area 6137047344049926
Volume 3.2712394490858E+22
Space diagonal 55394256.670028

Equilateral Triangle

Length = n
Perimeter 95945667
Area 4.4290324201459E+14
Altitude 27697128.335014

Triangular Pyramid

Length = n
Surface area 4.4290324201459E+14
Volume 3.8551926622226E+21
Height 15076407.058037