31144981 (number)

31144981 is an odd 8-digits composite number following 31144980 and preceding 31144982. In scientific notation, it is written as 3.1144981 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 26695692 positive integers (up to 31144981) that are relatively prime to 31144981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1144981 × 10^7
Engineering notation 3.1144981 × 10^6

Prime Factorization of 31144981

Prime Factorization 7 × 4449283

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31144981
Product of the distinct prime numbers

The prime factorization of 31144981 is 7 × 4449283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 3, 26, 26, 465, 278, 1029, 4889, 14105, 17439, 935016, 975157, 4044539, 7515720, 84905425, 78023616, 467187532, 279398684, 5247261571, 7256761665

Basic calculations (n = 31144981)

Multiplication

n×y
n×2 62289962
n×3 93434943
n×4 124579924
n×5 155724905

Division

n÷y
n÷2 15572490.5
n÷3 10381660.333333
n÷3 7786245.25
n÷5 6228996.2

Exponentiation

ny
n2 970009841490361
n3 3.021093808303E+22
n4 9.4091909258816E+29
n5 2.9304907261195E+37

Nth Root

y√n
2√n 5580.7688538408
3√n 314.6270247499
4√n 74.704543729554
5√n 31.526634660069

Divisors of 31144981

1, 7, 4449283, 31144981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31144980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31144981 can be divided by 4 positive divisors. The sum of these divisors (counting 31144981) is 1, the average is 0.25.

Base conversion 31144981

Base System Value
2 Binary 1110110110011110000010101
3 Ternary 2011121022212211
4 Quaternary 1312303300111
5 Quinary 30433114411
6 Senary 3031313421
8 Octal 166636025
10 Decimal 31144981
12 Duodecimal a51b871
16 Hexadecimal 1db3c15
20 Vigesimal 9ed291
36 Base36 ijjmd

Cryptographic Hash Functions

md5 7dd4e01f4dd35d36392812f53da60020
sha1 29a693d5d029aa6a6c842793acb3b71266e45ba6
sha256 243dd4598b79e6f2bcf256f52e37917ee622beb22c98215ba5e3ee151f9ecfc7
sha512 1a4ff60c3e7c6d1222fe27543bfd626f7eefb2929b15b2b3fa9fdda754a6a9262c50c411af5dc18f74fa463f9b4b8f65cb6edac5b3a25712096a485921b8977f
ripemd-160 c489349edcf7ffcef642d3275a758f0de99aeed2

31144981 as geometric shapes

Circle

Radius = n
Diameter 62289962
Circumference 195689687.01159
Area 3.0473757919359E+15

Sphere

Radius = n
Volume 1.2654728151961E+23
Surface area 1.2189503167744E+16
Circumference 195689687.01159

Square

Length = n
Perimeter 124579924
Area 970009841490361
Diagonal 44045654.530052

Cube

Length = n
Surface area 5820059048942166
Volume 3.021093808303E+22
Space diagonal 53944689.492767

Equilateral Triangle

Length = n
Perimeter 93434943
Area 4.2002658232578E+14
Altitude 26972344.746384

Triangular Pyramid

Length = n
Surface area 4.2002658232578E+14
Volume 3.5603931974196E+21
Height 14681884.843351