31021938 is an even 8-digits composite number following 31021937
and preceding 31021939 . In scientific notation, it is written as 3.1021938 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 9823968 positive integers (up to 31021938) that are relatively prime to 31021938.
31021938 has 32 divisors, whose sum is 54345600
The reverse of 31021938 is 83912013
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirty-one million twenty-one thousand nine hundred thirty-eight
Scientific notation
3.1021938 × 10^7
Engineering notation
3.1021938 × 10^6
Prime Factorization
2 × 9 × 29 × 67 × 887
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31021938
Product of the distinct prime numbers
The prime factorization of 31021938 is 2 × 9 × 29 × 67 × 887.
Since it has a total of 5 prime factors.
4 , 3 , 10 , 88 , 221 , 111 , 8616 , 6257 , 17874 , 82580 , 999468 , 772404 , 2408077 , 5879929 , 94167312 , 44106074 , 232128177 , 531802924 , 5372819256 , 6740162561
n×2
62043876
n×3
93065814
n×4
124087752
n×5
155109690
n÷2
15510969
n÷3
10340646
n÷3
7755484.5
n÷5
6204387.6
n2
962360637275844
n3
2.9854292023212E+22
n4
9.2613799617797E+29
n5
2.8730595496877E+37
2 √n
5569.7341049641
3 √n
314.21215057082
4 √n
74.630651243066
5 √n
31.501685045747
1 , 2 , 9 , 18 , 29 , 58 , 67 , 134 , 261 , 522 , 603 , 887 , 1206 , 1774 , 1943 , 3886 , 7983 , 15966 , 17487 , 25723 , 34974 , 51446 , 59429 , 118858 , 231507 , 463014 , 534861 , 1069722 , 1723441 , 3446882 , 15510969 , 31021938
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31021937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31021938 can be divided by 32 positive divisors.
The sum of these divisors (counting 31021938) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110110010101101101110010
3
Ternary
2011101002002200
4
Quaternary
1312111231302
5
Quinary
30420200223
6
Senary
3024524030
8
Octal
166255562
10
Decimal
31021938
12
Duodecimal
a480616
16
Hexadecimal
1d95b72
20
Vigesimal
9dhegi
36
Base36
igwoi
md5
9e060b35a0a395f6adea43dd976944b6
sha1
78d29eacce82c2019abfebf5c68b8bca24a0a9d7
sha256
1d8bfa3098220cf92fd100d3c3e8fa188445df8be74514b20356e3136dbe9748
sha512
a41f5e8eb2697c6619fb1072721be3f46821fdbc639d4f31cc51d107d41e33239c8043a6456e77bb67040d43506543fea1743dc13f2ee26cb594a57dd6bacd67
ripemd-160
3b0a05324430dfb12219d49e8ab13615b4862820
Diameter
62043876
Circumference
194916585.04184
Area
3.0233451081698E+15
Volume
1.2505336599766E+23
Surface area
1.2093380432679E+16
Circumference
194916585.04184
Perimeter
124087752
Area
962360637275844
Diagonal
43871645.450697
Surface area
5774163823655064
Volume
2.9854292023212E+22
Space diagonal
53731572.765252
Perimeter
93065814
Area
4.1671437974153E+14
Altitude
26865786.382626
Surface area
4.1671437974153E+14
Volume
3.5183620561894E+21
Height
14623881.816899