31128980 (number)

31128980 is an even 8-digits composite number following 31128979 and preceding 31128981. In scientific notation, it is written as 3.1128980 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 12451584 positive integers (up to 31128980) that are relatively prime to 31128980.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred twenty-eight thousand nine hundred eighty

Notation

Scientific notation 3.1128980 × 10^7
Engineering notation 3.1128980 × 10^6

Prime Factorization of 31128980

Prime Factorization 2 × 2 × 5 × 1556449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15564490
Product of the distinct prime numbers

The prime factorization of 31128980 is 2 × 2 × 5 × 1556449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 74, 5, 237, 639, 2431, 7604, 92857, 75938, 787045, 439395, 1938243, 7628411, 24384173, 5301911, 112187969, 849010575, 679326878, 6544401793

Basic calculations (n = 31128980)

Multiplication

n×y
n×2 62257960
n×3 93386940
n×4 124515920
n×5 155644900

Division

n÷y
n÷2 15564490
n÷3 10376326.666667
n÷3 7782245
n÷5 6225796

Exponentiation

ny
n2 969013395840400
n3 3.0164398618848E+22
n4 9.3898696131814E+29
n5 2.9229706339133E+37

Nth Root

y√n
2√n 5579.3350858324
3√n 314.57313474629
4√n 74.694946856078
5√n 31.523394578587

Divisors of 31128980

1, 2, 4, 5, 10, 20, 1556449, 3112898, 6225796, 7782245, 15564490, 31128980

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31128979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31128980 can be divided by 12 positive divisors. The sum of these divisors (counting 31128980) is 1, the average is 0.083333333333333.

Base conversion 31128980

Base System Value
2 Binary 1110110101111110110010100
3 Ternary 2011120111221012
4 Quaternary 1312233312110
5 Quinary 30432111410
6 Senary 3031111352
8 Octal 166576624
10 Decimal 31128980
12 Duodecimal a512558
16 Hexadecimal 1dafd94
20 Vigesimal 9eb290
36 Base36 ij79w

Cryptographic Hash Functions

md5 ee83903c8de92b23f36e27e14bbdcd4d
sha1 97e4c7fd1221f1be47a94f3c76114ab0b0852fc0
sha256 aaf2b3cf33182273ef7cade38975d1324a5a046ae6c8d3f0a96d40361406be26
sha512 9f484dfc43942854dd6e6f3e1819bac9e8a9eaff328a41da64a171dea0763eda0d871a068689d955260237af11580338d45583e4542150a033f6bbe878eba4e3
ripemd-160 7e595e3fdacdd080859ceea83f53afe6fe878827

31128980 as geometric shapes

Circle

Radius = n
Diameter 62257960
Circumference 195589149.76349
Area 3.0442453656023E+15

Sphere

Radius = n
Volume 1.263523374679E+23
Surface area 1.2176981462409E+16
Circumference 195589149.76349

Square

Length = n
Perimeter 124515920
Area 969013395840400
Diagonal 44023025.698841

Cube

Length = n
Surface area 5814080375042400
Volume 3.0164398618848E+22
Space diagonal 53916974.947795

Equilateral Triangle

Length = n
Perimeter 93386940
Area 4.1959510870261E+14
Altitude 26958487.473898

Triangular Pyramid

Length = n
Surface area 4.1959510870261E+14
Volume 3.5549084689669E+21
Height 14674341.899614