31128370 is an even 8-digits composite number following 31128369
and preceding 31128371 . In scientific notation, it is written as 3.1128370 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors.
There are 9704448 positive integers (up to 31128370) that are relatively prime to 31128370.
31128370 has 32 divisors, whose sum is 52496640
The reverse of 31128370 is 07382113
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty-one million one hundred twenty-eight thousand three hundred seventy
Scientific notation
3.1128370 × 10^7
Engineering notation
3.1128370 × 10^6
Prime Factorization
2 × 35 × 13 × 79 × 433
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31128370
Product of the distinct prime numbers
The prime factorization of 31128370 is 2 × 35 × 13 × 79 × 433.
Since it has a total of 5 prime factors.
10 , 5 , 51 , 62 , 785 , 83 , 5108 , 6583 , 49933 , 71575 , 630633 , 247865 , 824007 , 3256307 , 54948085 , 3308232 , 146543801 , 396365763 , 9464151742 , 9659883143
n×2
62256740
n×3
93385110
n×4
124513480
n×5
155641850
n÷2
15564185
n÷3
10376123.333333
n÷3
7782092.5
n÷5
6225674
n2
968975418856900
n3
3.0162625359083E+22
n4
9.389133623489E+29
n5
2.9226842541141E+37
2 √n
5579.2804195523
3 √n
314.57107995292
4 √n
74.694580924939
5 √n
31.523271031838
1 , 2 , 13 , 26 , 35 , 70 , 79 , 158 , 433 , 455 , 866 , 910 , 1027 , 2054 , 2765 , 5530 , 5629 , 11258 , 15155 , 30310 , 34207 , 35945 , 68414 , 71890 , 197015 , 394030 , 444691 , 889382 , 1197245 , 2394490 , 15564185 , 31128370
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
-31128369
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 31128370 can be divided by 32 positive divisors.
The sum of these divisors (counting 31128370) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110110101111101100110010
3
Ternary
2011120111002121
4
Quaternary
1312233230302
5
Quinary
30432101440
6
Senary
3031104454
8
Octal
166575462
10
Decimal
31128370
12
Duodecimal
a51212a
16
Hexadecimal
1dafb32
20
Vigesimal
9eb0ia
36
Base36
ij6sy
md5
501ae87f4a892a498b872346f56b3c58
sha1
7e91fcce4ec11283ac717e27807e63c45f8bb629
sha256
0aaa6b8a98b794c680ebcf64d4715762ba0d52a0150913164090e5df29e903bf
sha512
d54da3b1d1ce705a677db9fa7a7db6fa07e41258540b0c0fe8c0dd9364514d79e17a6b07e98aa6feb00e35d00fe661110aaaef5760bc5947a2d626440619d520
ripemd-160
eb5d8144ccfefba2b0884116d88fb245c0dfac6c
Diameter
62256740
Circumference
195585317.02045
Area
3.0441260573899E+15
Volume
1.2634490965477E+23
Surface area
1.217650422956E+16
Circumference
195585317.02045
Perimeter
124513480
Area
968975418856900
Diagonal
44022163.028568
Surface area
5813852513141400
Volume
3.0162625359083E+22
Space diagonal
53915918.396803
Perimeter
93385110
Area
4.1957866418637E+14
Altitude
26957959.198401
Surface area
4.1957866418637E+14
Volume
3.5546994882994E+21
Height
14674054.342856