31409985 (number)

31409985 is an odd 8-digits composite number following 31409984 and preceding 31409986. In scientific notation, it is written as 3.1409985 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 16597440 positive integers (up to 31409985) that are relatively prime to 31409985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1409985 × 10^7
Engineering notation 3.1409985 × 10^6

Prime Factorization of 31409985

Prime Factorization 3 × 5 × 109 × 19211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31409985
Product of the distinct prime numbers

The prime factorization of 31409985 is 3 × 5 × 109 × 19211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31409985)

Multiplication

n×y
n×2 62819970
n×3 94229955
n×4 125639940
n×5 157049925

Division

n÷y
n÷2 15704992.5
n÷3 10469995
n÷3 7852496.25
n÷5 6281997

Exponentiation

ny
n2 986587157700225
n3 3.0988687824557E+22
n4 9.7335421973901E+29
n5 3.0573041441689E+37

Nth Root

y√n
2√n 5604.4611694613
3√n 315.51686371702
4√n 74.862949243677
5√n 31.580103265647

Divisors of 31409985

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 -31409984
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 31409985 can be divided by 16 positive divisors. The sum of these divisors (counting 31409985) is 1, the average is 0.0625.

Base conversion 31409985

Base System Value
2 Binary 1110111110100011101000001
3 Ternary 2012002210101210
4 Quaternary 1313310131001
5 Quinary 31020104420
6 Senary 3041120333
8 Octal 167643501
10 Decimal 31409985
12 Duodecimal a6290a9
16 Hexadecimal 1df4741
20 Vigesimal 9g64j5
36 Base36 ip83l

Cryptographic Hash Functions

md5 f6d2aa31f62209912489d2cbe0a8d739
sha1 58e5c71c553e02f24b1ed9ead3ce62f7fefa96f7
sha256 42577c840d5eeea8d728148fd9fdd16e858f2d46c5339308581da7c7ed1d1929
sha512 125d70da3d029a05a65df1af4260af7515313e50b148dcb4e38f828bde96ccbc7dd19134a32c0e02ed2613f45a5217a385688701d66b6763f30e614ae0a30ce8
ripemd-160 d7b80815fe284a94c6512f45e438cc3a838d7635

31409985 as geometric shapes

Circle

Radius = n
Diameter 62819970
Circumference 197354756.25073
Area 3.0994549667571E+15

Sphere

Radius = n
Volume 1.2980511201869E+23
Surface area 1.2397819867028E+16
Circumference 197354756.25073

Square

Length = n
Perimeter 125639940
Area 986587157700225
Diagonal 44420426.780935

Cube

Length = n
Surface area 5919522946201350
Volume 3.0988687824557E+22
Space diagonal 54403689.884976

Equilateral Triangle

Length = n
Perimeter 94229955
Area 4.2720477080794E+14
Altitude 27201844.942488

Triangular Pyramid

Length = n
Surface area 4.2720477080794E+14
Volume 3.6520518834695E+21
Height 14806808.926978