31431492 is an even 8-digits composite number following 31431491
and preceding 31431493 . In scientific notation, it is written as 3.1431492 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 10368000 positive integers (up to 31431492) that are relatively prime to 31431492.
31431492 has 24 divisors, whose sum is 61753720
The reverse of 31431492 is 29413413
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirty-one million four hundred thirty-one thousand four hundred ninety-two
Scientific notation
3.1431492 × 10^7
Engineering notation
3.1431492 × 10^6
Prime Factorization
2 × 2 × 9 × 97 × 9001
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15715746
Product of the distinct prime numbers
The prime factorization of 31431492 is 2 × 2 × 9 × 97 × 9001.
Since it has a total of 5 prime factors.
3 , 8 , 67 , 3 , 77 , 368 , 3861 , 6473 , 65393 , 55233 , 94988 , 409300 , 9132102 , 7053284 , 56790867 , 64497771 , 244517363 , 686670651 , 6952848631 , 2410696988
n×2
62862984
n×3
94294476
n×4
125725968
n×5
157157460
n÷2
15715746
n÷3
10477164
n÷3
7857873
n÷5
6286298.4
n2
987938689346064
n3
3.1052387010671E+22
n4
9.7602285390682E+29
n5
3.0677854524389E+37
2 √n
5606.3795804423
3 √n
315.5888607055
4 √n
74.875760967367
5 √n
31.58442677828
1 , 2 , 4 , 9 , 18 , 36 , 97 , 194 , 388 , 873 , 1746 , 3492 , 9001 , 18002 , 36004 , 81009 , 162018 , 324036 , 873097 , 1746194 , 3492388 , 7857873 , 15715746 , 31431492
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31431491
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31431492 can be divided by 24 positive divisors.
The sum of these divisors (counting 31431492) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110111111001101101000100
3
Ternary
2012010212220100
4
Quaternary
1313321231010
5
Quinary
31021301432
6
Senary
3041404100
8
Octal
167715504
10
Decimal
31431492
12
Duodecimal
a639630
16
Hexadecimal
1df9b44
20
Vigesimal
9g8iec
36
Base36
ipop0
md5
0ae9e85e1df730f041b9c1e3171e9ed5
sha1
72a4a0cc55604ee1b44417f9308325442c7bb7bf
sha256
9663d2f93009f4d7291e5d51780ca13f36150c949f2b17f8b3efba210624a471
sha512
1fedb19f39a43b83f2ba90c6e4c6448fc4c5bda5780896303ed9fd5b1d181c5a4a253aae6d4b710317325ded1d1dfc5478a3133558a6a9f94b26bb49c6fa0e45
ripemd-160
0f866c2a9fead470cec663140c8768345dd47aba
Diameter
62862984
Circumference
197489888.71713
Area
3.1037009286467E+15
Volume
1.3007193454554E+23
Surface area
1.2414803714587E+16
Circumference
197489888.71713
Perimeter
125725968
Area
987938689346064
Diagonal
44450842.272021
Surface area
5927632136076384
Volume
3.1052387010671E+22
Space diagonal
54440941.101695
Perimeter
94294476
Area
4.277900011776E+14
Altitude
27220470.550847
Surface area
4.277900011776E+14
Volume
3.6595589045458E+21
Height
14816947.424007