31109212 is an even 8-digits composite number following 31109211
and preceding 31109213 . In scientific notation, it is written as 3.1109212 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 15400400 positive integers (up to 31109212) that are relatively prime to 31109212.
31109212 has 12 divisors, whose sum is 54980856
The reverse of 31109212 is 21290113
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
thirty-one million one hundred nine thousand two hundred twelve
Scientific notation
3.1109212 × 10^7
Engineering notation
3.1109212 × 10^6
Prime Factorization
2 × 2 × 101 × 77003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15554606
Product of the distinct prime numbers
The prime factorization of 31109212 is 2 × 2 × 101 × 77003.
Since it has a total of 4 prime factors.
7 , 8 , 83 , 8 , 321 , 910 , 428 , 8828 , 88752 , 50900 , 549360 , 829414 , 2181174 , 3108020 , 30872150 , 91184836 , 210104249 , 170627444 , 7826454618 , 4247550717
n×2
62218424
n×3
93327636
n×4
124436848
n×5
155546060
n÷2
15554606
n÷3
10369737.333333
n÷3
7777303
n÷5
6221842.4
n2
967783071260944
n3
3.0106968733868E+22
n4
9.3660407301927E+29
n5
2.913701466762E+37
2 √n
5577.5632672342
3 √n
314.50653230156
4 √n
74.683085549769
5 √n
31.519389867772
1 , 2 , 4 , 101 , 202 , 404 , 77003 , 154006 , 308012 , 7777303 , 15554606 , 31109212
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31109211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31109212 can be divided by 12 positive divisors.
The sum of these divisors (counting 31109212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110101011000001011100
3
Ternary
2011112111211001
4
Quaternary
1312223001130
5
Quinary
30430443322
6
Senary
3030440044
8
Octal
166530134
10
Decimal
31109212
12
Duodecimal
a503024
16
Hexadecimal
1dab05c
20
Vigesimal
9e8d0c
36
Base36
iis0s
md5
f354cc3aea3a60a79c13c2e89044aa3b
sha1
08c690a65078125ace4b030a02478192a7c82ef4
sha256
3e6aae84f37df124d6a7e8637ba2a04a8919e3cbad799982689b508496806870
sha512
27db578e05d8fe28ba1d491d31b8874dce0c9f74e3bca9491fb19aac8d1d3a4422339f58825c1d1431ddbd910279c3d1271e42f81ed0d8b4b1498a47688e8230
ripemd-160
2110ad37615f85072f927831e374f1264eade6b2
Diameter
62218424
Circumference
195464943.75633
Area
3.0403801869419E+15
Volume
1.2611177572824E+23
Surface area
1.2161520747768E+16
Circumference
195464943.75633
Perimeter
124436848
Area
967783071260944
Diagonal
43995069.52514
Surface area
5806698427565664
Volume
3.0106968733868E+22
Space diagonal
53882735.767431
Perimeter
93327636
Area
4.1906236253225E+14
Altitude
26941367.883716
Surface area
4.1906236253225E+14
Volume
3.5481402921149E+21
Height
14665023.175047