31187949 (number)

31187949 is an odd 8-digits composite number following 31187948 and preceding 31187950. In scientific notation, it is written as 3.1187949 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 18182016 positive integers (up to 31187949) that are relatively prime to 31187949.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred eighty-seven thousand nine hundred forty-nine

Notation

Scientific notation 3.1187949 × 10^7
Engineering notation 3.1187949 × 10^6

Prime Factorization of 31187949

Prime Factorization 3 × 13 × 19 × 42089

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31187949
Product of the distinct prime numbers

The prime factorization of 31187949 is 3 × 13 × 19 × 42089. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 48, 24, 649, 56, 7839, 7836, 58789, 56781, 619086, 94742, 9934299, 7587895, 93762614, 30474914, 979229023, 301129816, 6355105500, 9876066733

Basic calculations (n = 31187949)

Multiplication

n×y
n×2 62375898
n×3 93563847
n×4 124751796
n×5 155939745

Division

n÷y
n÷2 15593974.5
n÷3 10395983
n÷3 7796987.25
n÷5 6237589.8

Exponentiation

ny
n2 972688162826601
n3 3.033614881514E+22
n4 9.4612226210299E+29
n5 2.9507612858233E+37

Nth Root

y√n
2√n 5584.6171757785
3√n 314.77164603806
4√n 74.730296237727
5√n 31.535328770411

Divisors of 31187949

1, 3, 13, 19, 39, 57, 247, 741, 42089, 126267, 547157, 799691, 1641471, 2399073, 10395983, 31187949

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31187948
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31187949 can be divided by 16 positive divisors. The sum of these divisors (counting 31187949) is 1, the average is 0.0625.

Base conversion 31187949

Base System Value
2 Binary 1110110111110001111101101
3 Ternary 2011200111211020
4 Quaternary 1312332033231
5 Quinary 30441003244
6 Senary 3032244353
8 Octal 166761755
10 Decimal 31187949
12 Duodecimal a5406b9
16 Hexadecimal 1dbe3ed
20 Vigesimal 9ei9h9
36 Base36 ikgrx

Cryptographic Hash Functions

md5 a336b1090fadc1af68f16ffb49f5f744
sha1 50b9d2b051b284eed23519a12f315e42e3003a81
sha256 43c61dc0b4b4a8e1369c1f38084b5759cb1f35a4286734d7c65ebc19590d4163
sha512 9bf0b8c0c407da0ea9d62d2ab30ff03c4d2d6a69075df88f060d8d0138d4d49952346fda51871d3237331800546a5497cdaddd8f896d7e10eb70757b5598071d
ripemd-160 90b6092fe870e9c95821bf6fd7027801661616cb

31187949 as geometric shapes

Circle

Radius = n
Diameter 62375898
Circumference 195959662.91787
Area 3.0557899865698E+15

Sphere

Radius = n
Volume 1.270717630078E+23
Surface area 1.2223159946279E+16
Circumference 195959662.91787

Square

Length = n
Perimeter 124751796
Area 972688162826601
Diagonal 44106420.4584

Cube

Length = n
Surface area 5836128976959606
Volume 3.033614881514E+22
Space diagonal 54019112.251867

Equilateral Triangle

Length = n
Perimeter 93563847
Area 4.2118632948413E+14
Altitude 27009556.125933

Triangular Pyramid

Length = n
Surface area 4.2118632948413E+14
Volume 3.5751494237116E+21
Height 14702140.1528