31181930 is an even 8-digits composite number following 31181929
and preceding 31181931 . In scientific notation, it is written as 3.1181930 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 32 positive divisors.
There are 11419200 positive integers (up to 31181930) that are relatively prime to 31181930.
31181930 has 32 divisors, whose sum is 60939648
The reverse of 31181930 is 03918113
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirty-one million one hundred eighty-one thousand nine hundred thirty
Scientific notation
3.1181930 × 10^7
Engineering notation
3.1181930 × 10^6
Prime Factorization
2 × 13 × 5 × 131 × 1831
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31181930
Product of the distinct prime numbers
The prime factorization of 31181930 is 2 × 13 × 5 × 131 × 1831.
Since it has a total of 5 prime factors.
9 , 1 , 52 , 25 , 632 , 854 , 6437 , 4563 , 86813 , 70008 , 840201 , 616291 , 2563959 , 4986605 , 62136146 , 10564359 , 619981389 , 444494584 , 2093709156 , 566515366
n×2
62363860
n×3
93545790
n×4
124727720
n×5
155909650
n÷2
15590965
n÷3
10393976.666667
n÷3
7795482.5
n÷5
6236386
n2
972312758524900
n3
3.031858837443E+22
n4
9.453921003903E+29
n5
2.9479150296923E+37
2 √n
5584.0782587639
3 √n
314.75139534837
4 √n
74.726690404192
5 √n
31.534111468187
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 131 , 262 , 655 , 1310 , 1703 , 1831 , 3406 , 3662 , 8515 , 9155 , 17030 , 18310 , 23803 , 47606 , 119015 , 238030 , 239861 , 479722 , 1199305 , 2398610 , 3118193 , 6236386 , 15590965 , 31181930
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
-31181929
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 31181930 can be divided by 32 positive divisors.
The sum of these divisors (counting 31181930) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110110111100110001101010
3
Ternary
2011200012120022
4
Quaternary
1312330301222
5
Quinary
30440310210
6
Senary
3032200442
8
Octal
166746152
10
Decimal
31181930
12
Duodecimal
a539122
16
Hexadecimal
1dbcc6a
20
Vigesimal
9ehega
36
Base36
ikc4q
md5
597819de7c6c0fd34474dbf207130ac8
sha1
5cbc55e51dda1c7aabc71309fb3fda25bffaff58
sha256
98c8ea57fde667eef49ceffe3f3a401eab9742de52a7cb332c395a0fb3311b48
sha512
b7c566091f487825892fe4631aafffaf359ae37e50715451c718e95294bd7597ec8ee68df775411a5c9e852985b9bd4a12f619bba6e1a4bcadd9dcdb38c3f41e
ripemd-160
0803bd160821871d388dbe1bf375dbaa85ac10a9
Diameter
62363860
Circumference
195921844.4255
Area
3.0546106191735E+15
Volume
1.2699820600576E+23
Surface area
1.2218442476694E+16
Circumference
195921844.4255
Perimeter
124727720
Area
972312758524900
Diagonal
44097908.306968
Surface area
5833876551149400
Volume
3.031858837443E+22
Space diagonal
54008687.038056
Perimeter
93545790
Area
4.2102377465314E+14
Altitude
27004343.519028
Surface area
4.2102377465314E+14
Volume
3.5730799059272E+21
Height
14699302.768989