31497893 is an odd 8-digits composite number following 31497892
and preceding 31497894 . In scientific notation, it is written as 3.1497893 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 26908416 positive integers (up to 31497893) that are relatively prime to 31497893.
31497893 has 8 divisors, whose sum is 36117312
The reverse of 31497893 is 39879413
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
thirty-one million four hundred ninety-seven thousand eight hundred ninety-three
Scientific notation
3.1497893 × 10^7
Engineering notation
3.1497893 × 10^6
Prime Factorization
7 × 307 × 14657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31497893
Product of the distinct prime numbers
The prime factorization of 31497893 is 7 × 307 × 14657.
Since it has a total of 3 prime factors.
7 , 7 , 79 , 52 , 400 , 636 , 5062 , 3993 , 29246 , 99820 , 204229 , 162880 , 5860659 , 2419358 , 77146378 , 7538760 , 987128032 , 423436357 , 8785952159 , 9648143205
n×2
62995786
n×3
94493679
n×4
125991572
n×5
157489465
n÷2
15748946.5
n÷3
10499297.666667
n÷3
7874473.25
n÷5
6299578.6
n2
992117263439449
n3
3.1249603407269E+22
n4
9.8429666441458E+29
n5
3.1003271015987E+37
2 √n
5612.298370543
3 √n
315.81093815456
4 √n
74.915274614347
5 √n
31.597760332711
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31497892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31497893 can be divided by 8 positive divisors.
The sum of these divisors (counting 31497893) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000001001111010100101
3
Ternary
2012021020222122
4
Quaternary
1320021322211
5
Quinary
31030413033
6
Senary
3043035325
8
Octal
170117245
10
Decimal
31497893
12
Duodecimal
a66bb45
16
Hexadecimal
1e09ea5
20
Vigesimal
9gh4ed
36
Base36
ir3xh
md5
bc92de617f9f0c31c4a4c924a6fa9e61
sha1
111ec2ead32325ca67c2cdd424853ab2c379b5d9
sha256
1f1b53bd606f32a07aa68e8dcf6a04fd7d745b226356a8ebe3f20c2649ced6ef
sha512
f419daff5375eca3e6b679f2f2a3947bf0729d63e4544f18cf099eb4411d09dea40a86867346ed7b87ad643c73000e3262a774ef05e9aeab98fc89139ee62250
ripemd-160
12903f8f8ca40e4f0f311be318b3914e30372f86
Diameter
62995786
Circumference
197907098.50471
Area
3.116828306321E+15
Volume
1.3089803265583E+23
Surface area
1.2467313225284E+16
Circumference
197907098.50471
Perimeter
125991572
Area
992117263439449
Diagonal
44544747.466777
Surface area
5952703580636694
Volume
3.1249603407269E+22
Space diagonal
54555951.007368
Perimeter
94493679
Area
4.2959937683583E+14
Altitude
27277975.503684
Surface area
4.2959937683583E+14
Volume
3.6828010797783E+21
Height
14848249.155592