31997908 (number)

31997908 is an even 8-digits composite number following 31997907 and preceding 31997909. In scientific notation, it is written as 3.1997908 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 6 positive divisors. There are 15998952 positive integers (up to 31997908) that are relatively prime to 31997908.

Interesting facts

Basic properties

Name

Name thirty-one million nine hundred ninety-seven thousand nine hundred eight

Notation

Scientific notation 3.1997908 × 10^7
Engineering notation 3.1997908 × 10^6

Prime Factorization of 31997908

Prime Factorization 2 × 2 × 7999477

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15998954
Product of the distinct prime numbers

The prime factorization of 31997908 is 2 × 2 × 7999477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 28, 6, 657, 986, 6997, 4374, 41254, 26957, 705499, 725974, 517093, 7385359, 38564828, 17469548, 951523140, 935299951, 9320957194, 103528876

Basic calculations (n = 31997908)

Multiplication

n×y
n×2 63995816
n×3 95993724
n×4 127991632
n×5 159989540

Division

n÷y
n÷2 15998954
n÷3 10665969.333333
n÷3 7999477
n÷5 6399581.6

Exponentiation

ny
n2 1023866116376464
n3 3.2761573796131E+22
n4 1.0483018242638E+30
n5 3.3543465329026E+37

Nth Root

y√n
2√n 5656.6693380469
3√n 317.47329181995
4√n 75.210832584455
5√n 31.697449388814

Divisors of 31997908

1, 2, 4, 7999477, 15998954, 31997908

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31997907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31997908 can be divided by 6 positive divisors. The sum of these divisors (counting 31997908) is 1, the average is 0.16666666666667.

Base conversion 31997908

Base System Value
2 Binary 1111010000011111111010100
3 Ternary 2020012122212201
4 Quaternary 1322003333110
5 Quinary 31142413113
6 Senary 3101454244
8 Octal 172037724
10 Decimal 31997908
12 Duodecimal a871384
16 Hexadecimal 1e83fd4
20 Vigesimal 9jjef8
36 Base36 j1tqs

Cryptographic Hash Functions

md5 f3c6b915a2b5426d7ce9067ad6e3e6c2
sha1 77ae606a36daa0681239f5b378c95f6f3687fef3
sha256 99ea8984671491240bb5be1157803463b3daae93649768f29661968fcd3dec46
sha512 2ef5449ef1d94783286a7a4c0d52cf98c78996d65e210b67071611b37af8a652705079209529e0a1445470f3b9951b7a1816cabdad4d02293872248a31c6fca6
ripemd-160 66d8628a549ffde554c966dd3daa2874d0653305

31997908 as geometric shapes

Circle

Radius = n
Diameter 63995816
Circumference 201048785.40608
Area 3.2165702694678E+15

Sphere

Radius = n
Volume 1.3723135941062E+23
Surface area 1.2866281077871E+16
Circumference 201048785.40608

Square

Length = n
Perimeter 127991632
Area 1023866116376464
Diagonal 45251875.461167

Cube

Length = n
Surface area 6143196698258784
Volume 3.2761573796131E+22
Space diagonal 55422002.391915

Equilateral Triangle

Length = n
Perimeter 95993724
Area 4.4334703342807E+14
Altitude 27711001.195957

Triangular Pyramid

Length = n
Surface area 4.4334703342807E+14
Volume 3.8609884989313E+21
Height 15083958.487056