31999890 (number)

31999890 is an even 8-digits composite number following 31999889 and preceding 31999891. In scientific notation, it is written as 3.1999890 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 7876800 positive integers (up to 31999890) that are relatively prime to 31999890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1999890 × 10^7
Engineering notation 3.1999890 × 10^6

Prime Factorization of 31999890

Prime Factorization 2 × 15 × 13 × 82051

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31999890
Product of the distinct prime numbers

The prime factorization of 31999890 is 2 × 15 × 13 × 82051. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 27, 98, 582, 791, 6148, 905, 23324, 34384, 463350, 154484, 1653007, 9288740, 63808301, 52077629, 901192780, 731222984, 7180521405, 6294612358

Basic calculations (n = 31999890)

Multiplication

n×y
n×2 63999780
n×3 95999670
n×4 127999560
n×5 159999450

Division

n÷y
n÷2 15999945
n÷3 10666630
n÷3 7999972.5
n÷5 6399978

Exponentiation

ny
n2 1023992960012100
n3 3.2767662081162E+22
n4 1.0485615821543E+30
n5 3.3553855287165E+37

Nth Root

y√n
2√n 5656.8445267658
3√n 317.47984661382
4√n 75.211997226279
5√n 31.697842056911

Divisors of 31999890

1, 2, 13, 15, 26, 30, 195, 390, 82051, 164102, 1066663, 1230765, 2133326, 2461530, 15999945, 31999890

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 -31999889
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 31999890 can be divided by 16 positive divisors. The sum of these divisors (counting 31999890) is 1, the average is 0.0625.

Base conversion 31999890

Base System Value
2 Binary 1111010000100011110010010
3 Ternary 2020012202121010
4 Quaternary 1322010132102
5 Quinary 31142444030
6 Senary 3101511350
8 Octal 172043622
10 Decimal 31999890
12 Duodecimal a872556
16 Hexadecimal 1e84792
20 Vigesimal 9jjjea
36 Base36 j1v9u

Cryptographic Hash Functions

md5 616de9e84fb39483f6a7f36610e54b64
sha1 a47ca2d496f6674a1bee6c3669b4c96fe9e25f24
sha256 8fb9bbe16757700bc3a0c6ec243b59f0d0ffe9641f97b9998b498e980f46dfde
sha512 75fff50a754eff31e12964f7ddb3f4833dcacd76501dd354d9215cb61715452ed34e73d38dcd5fab159ace9e7d0685c1dfd22322b1b13dadecfe7f6f4d1b76aa
ripemd-160 e00824852c934e79a5b1d7273c36a4a087a3c5f7

31999890 as geometric shapes

Circle

Radius = n
Diameter 63999780
Circumference 201061238.67936
Area 3.2169687605017E+15

Sphere

Radius = n
Volume 1.3725686195932E+23
Surface area 1.2867875042007E+16
Circumference 201061238.67936

Square

Length = n
Perimeter 127999560
Area 1023992960012100
Diagonal 45254678.432447

Cube

Length = n
Surface area 6143957760072600
Volume 3.2767662081162E+22
Space diagonal 55425435.316615

Equilateral Triangle

Length = n
Perimeter 95999670
Area 4.4340195833345E+14
Altitude 27712717.658308

Triangular Pyramid

Length = n
Surface area 4.4340195833345E+14
Volume 3.8617060102031E+21
Height 15084892.810816