31471985 (number)

31471985 is an odd 8-digits composite number following 31471984 and preceding 31471986. In scientific notation, it is written as 3.1471985 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 25026160 positive integers (up to 31471985) that are relatively prime to 31471985.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred seventy-one thousand nine hundred eighty-five

Notation

Scientific notation 3.1471985 × 10^7
Engineering notation 3.1471985 × 10^6

Prime Factorization of 31471985

Prime Factorization 5 × 167 × 37691

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31471985
Product of the distinct prime numbers

The prime factorization of 31471985 is 5 × 167 × 37691. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31471985)

Multiplication

n×y
n×2 62943970
n×3 94415955
n×4 125887940
n×5 157359925

Division

n÷y
n÷2 15735992.5
n÷3 10490661.666667
n÷3 7867996.25
n÷5 6294397

Exponentiation

ny
n2 990485839840225
n3 3.1172555494164E+22
n4 9.81062198924E+29
n5 3.0875974808603E+37

Nth Root

y√n
2√n 5609.9897504363
3√n 315.72432628567
4√n 74.89986482255
5√n 31.592560592851

Divisors of 31471985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31471984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31471985 can be divided by 8 positive divisors. The sum of these divisors (counting 31471985) is 1, the average is 0.125.

Base conversion 31471985

Base System Value
2 Binary 1111000000011100101110001
3 Ternary 2012012221110002
4 Quaternary 1320003211301
5 Quinary 31024100420
6 Senary 3042315345
8 Octal 170034561
10 Decimal 31471985
12 Duodecimal a658b55
16 Hexadecimal 1e03971
20 Vigesimal 9gdjj5
36 Base36 iqjxt

Cryptographic Hash Functions

md5 a37fbf07f6fe4710fe0465b40cda2077
sha1 89fff3194eaac9aee1ef4779413409bc71bdd21e
sha256 a335050f225f2b52fa1fa915217f354ca9b270836649de88a26109b75e807aea
sha512 861202df7af690773190d70d5550e87dad2b1fff05665e6c0cf63e2607f0eb71b88f9919fb3eac1b77fc21f9675d50926f65a199b23eede90fb3eb25d29a9073
ripemd-160 97c5a80e3582496e5835a57bc423eadb9eccef2b

31471985 as geometric shapes

Circle

Radius = n
Diameter 62943970
Circumference 197744313.73978
Area 3.1117030379268E+15

Sphere

Radius = n
Volume 1.3057529511211E+23
Surface area 1.2446812151707E+16
Circumference 197744313.73978

Square

Length = n
Perimeter 125887940
Area 990485839840225
Diagonal 44508108.021803

Cube

Length = n
Surface area 5942915039041350
Volume 3.1172555494164E+22
Space diagonal 54511077.035046

Equilateral Triangle

Length = n
Perimeter 94415955
Area 4.288929496952E+14
Altitude 27255538.517523

Triangular Pyramid

Length = n
Surface area 4.288929496952E+14
Volume 3.6737208961396E+21
Height 14836036.007268