31490988 (number)

31490988 is an even 8-digits composite number following 31490987 and preceding 31490989. In scientific notation, it is written as 3.1490988 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 10452480 positive integers (up to 31490988) that are relatively prime to 31490988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1490988 × 10^7
Engineering notation 3.1490988 × 10^6

Prime Factorization of 31490988

Prime Factorization 2 × 2 × 3 × 241 × 10889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15745494
Product of the distinct prime numbers

The prime factorization of 31490988 is 2 × 2 × 3 × 241 × 10889. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 37, 25, 342, 51, 5038, 5287, 8923, 81634, 822406, 118744, 7284405, 2615557, 31606266, 67924122, 560486554, 834053355, 9724733505, 8668022584

Basic calculations (n = 31490988)

Multiplication

n×y
n×2 62981976
n×3 94472964
n×4 125963952
n×5 157454940

Division

n÷y
n÷2 15745494
n÷3 10496996
n÷3 7872747
n÷5 6298197.6

Exponentiation

ny
n2 991682325216144
n3 3.1229056203194E+22
n4 9.834338341461E+29
n5 3.0969303069889E+37

Nth Root

y√n
2√n 5611.6831699589
3√n 315.78785900344
4√n 74.911168526188
5√n 31.59637483261

Divisors of 31490988

1, 2, 3, 4, 6, 12, 241, 482, 723, 964, 1446, 2892, 10889, 21778, 32667, 43556, 65334, 130668, 2624249, 5248498, 7872747, 10496996, 15745494, 31490988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31490987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31490988 can be divided by 24 positive divisors. The sum of these divisors (counting 31490988) is 1, the average is 0.041666666666667.

Base conversion 31490988

Base System Value
2 Binary 1111000001000001110101100
3 Ternary 2012020220111220
4 Quaternary 1320020032230
5 Quinary 31030202423
6 Senary 3042543340
8 Octal 170101654
10 Decimal 31490988
12 Duodecimal a667b50
16 Hexadecimal 1e083ac
20 Vigesimal 9gg798
36 Base36 iqylo

Cryptographic Hash Functions

md5 36676857191154d1b75e4049927dba9e
sha1 4f3e688cd0f3814e1855d2f0290d2d1cb1e2956d
sha256 2b5b388fa0061cbb4e17de6e42f9aa7229c1e7d480f9aee03c14019aead2885e
sha512 45ca70fdb2b664cec10279aa013e2895f680d994eae2daefc01f1f60b45e5fd4a38561c6a0cd091ec3a4e81b8a15044e6f37fd5d31cc00a574be7c80ffc9f489
ripemd-160 dae30195a3d20867d67f1ca3f96651a7b8fe479e

31490988 as geometric shapes

Circle

Radius = n
Diameter 62981976
Circumference 197863713.11017
Area 3.1154619075939E+15

Sphere

Radius = n
Volume 1.3081196472866E+23
Surface area 1.2461847630376E+16
Circumference 197863713.11017

Square

Length = n
Perimeter 125963952
Area 991682325216144
Diagonal 44534982.322128

Cube

Length = n
Surface area 5950093951296864
Volume 3.1229056203194E+22
Space diagonal 54543991.196542

Equilateral Triangle

Length = n
Perimeter 94472964
Area 4.294110430606E+14
Altitude 27271995.598271

Triangular Pyramid

Length = n
Surface area 4.294110430606E+14
Volume 3.6803795685557E+21
Height 14844994.107376