31128105 is an odd 8-digits composite number following 31128104
and preceding 31128106 . In scientific notation, it is written as 3.1128105 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 15352832 positive integers (up to 31128105) that are relatively prime to 31128105.
31128105 has 32 divisors, whose sum is 53654400
The reverse of 31128105 is 50182113
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
thirty-one million one hundred twenty-eight thousand one hundred five
Scientific notation
3.1128105 × 10^7
Engineering notation
3.1128105 × 10^6
Prime Factorization
3 × 5 × 17 × 59 × 2069
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31128105
Product of the distinct prime numbers
The prime factorization of 31128105 is 3 × 5 × 17 × 59 × 2069.
Since it has a total of 5 prime factors.
5 , 3 , 3 , 48 , 396 , 21 , 2184 , 9982 , 13368 , 20401 , 173459 , 946207 , 9033605 , 3126930 , 756730 , 46425598 , 801991280 , 907026535 , 601728717 , 4915548239
n×2
62256210
n×3
93384315
n×4
124512420
n×5
155640525
n÷2
15564052.5
n÷3
10376035
n÷3
7782026.25
n÷5
6225621
n2
968958920891025
n3
3.0161855030183E+22
n4
9.388813903743E+29
n5
2.9225598502117E+37
2 √n
5579.2566709195
3 √n
314.57018728842
4 √n
74.694421953179
5 √n
31.523217359286
1 , 3 , 5 , 15 , 17 , 51 , 59 , 85 , 177 , 255 , 295 , 885 , 1003 , 2069 , 3009 , 5015 , 6207 , 10345 , 15045 , 31035 , 35173 , 105519 , 122071 , 175865 , 366213 , 527595 , 610355 , 1831065 , 2075207 , 6225621 , 10376035 , 31128105
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
-31128104
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 31128105 can be divided by 32 positive divisors.
The sum of these divisors (counting 31128105) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110110101111101000101001
3
Ternary
2011120110201210
4
Quaternary
1312233220221
5
Quinary
30432044410
6
Senary
3031103333
8
Octal
166575051
10
Decimal
31128105
12
Duodecimal
a511b49
16
Hexadecimal
1dafa29
20
Vigesimal
9eb055
36
Base36
ij6ll
md5
3109ee406ddefd2dc25fac4a8f675f31
sha1
2625b27699aba20716d5ff2fee9139121dcc6446
sha256
e3f2a8f3195b8d3f97a288b9d897ae135de54a11c27ea21a01ad480dfa8f0670
sha512
4b6f078a3fda4b19e665b1524fefa7f7a9b069f043aeb9427ca09a327acbc73d4dd862da674d261171b8d8e70f6586c0baa1e7e46ae5e21158c675f81e641996
ripemd-160
559a79c3ecd19466c9d3d1e4d5ba0ea46360bc8f
Diameter
62256210
Circumference
195583651.97634
Area
3.0440742275015E+15
Volume
1.2634168290862E+23
Surface area
1.2176296910006E+16
Circumference
195583651.97634
Perimeter
124512420
Area
968958920891025
Diagonal
44021788.261974
Surface area
5813753525346150
Volume
3.0161855030183E+22
Space diagonal
53915459.403339
Perimeter
93384315
Area
4.1957152035759E+14
Altitude
26957729.701669
Surface area
4.1957152035759E+14
Volume
3.5546087041679E+21
Height
14673929.420658