31009972 is an even 8-digits composite number following 31009971
and preceding 31009973 . In scientific notation, it is written as 3.1009972 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 12508032 positive integers (up to 31009972) that are relatively prime to 31009972.
31009972 has 24 divisors, whose sum is 65669184
The reverse of 31009972 is 27990013
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million nine thousand nine hundred seventy-two
Scientific notation
3.1009972 × 10^7
Engineering notation
3.1009972 × 10^6
Prime Factorization
2 × 2 × 7 × 17 × 65147
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15504986
Product of the distinct prime numbers
The prime factorization of 31009972 is 2 × 2 × 7 × 17 × 65147.
Since it has a total of 5 prime factors.
2 , 10 , 13 , 1 , 495 , 448 , 3121 , 7214 , 61570 , 80113 , 58984 , 33313 , 9940251 , 6649689 , 74869958 , 27548146 , 210806035 , 242094097 , 9322436149 , 195410836
n×2
62019944
n×3
93029916
n×4
124039888
n×5
155049860
n÷2
15504986
n÷3
10336657.333333
n÷3
7752493
n÷5
6201994.4
n2
961618363440784
n3
2.9819758524985E+22
n4
9.2470987690653E+29
n5
2.8675227390995E+37
2 √n
5568.659802861
3 √n
314.1717453354
4 √n
74.623453436979
5 √n
31.49925446042
1 , 2 , 4 , 7 , 14 , 17 , 28 , 34 , 68 , 119 , 238 , 476 , 65147 , 130294 , 260588 , 456029 , 912058 , 1107499 , 1824116 , 2214998 , 4429996 , 7752493 , 15504986 , 31009972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31009971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31009972 can be divided by 24 positive divisors.
The sum of these divisors (counting 31009972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110010010110010110100
3
Ternary
2011100110200111
4
Quaternary
1312102302310
5
Quinary
30414304342
6
Senary
3024352404
8
Octal
166226264
10
Decimal
31009972
12
Duodecimal
a475704
16
Hexadecimal
1d92cb4
20
Vigesimal
9dg4ic
36
Base36
igng4
md5
a9b66bc32344481183a72b68db91ea57
sha1
c2df1bc6442ab303b2a15101368b0328fdc86114
sha256
c9c4980887ee7482762f8b4b40c9a85b37b5bdc26a346574d2922a6a8d763305
sha512
1d3f1eb9c71aca049b7c312dc37981d67a5b0d14625d662291b2ff330ae6845a44b83255ceaa9550647d7411029b727c1ce13565a23e1747ecda348125448c1f
ripemd-160
283803c94f7a084dab2d69a862b73aca173adaca
Diameter
62019944
Circumference
194841400.44645
Area
3.0210131861426E+15
Volume
1.2490871241855E+23
Surface area
1.208405274457E+16
Circumference
194841400.44645
Perimeter
124039888
Area
961618363440784
Diagonal
43854722.97121
Surface area
5769710180644704
Volume
2.9819758524985E+22
Space diagonal
53710847.045288
Perimeter
93029916
Area
4.1639296574267E+14
Altitude
26855423.522644
Surface area
4.1639296574267E+14
Volume
3.5142922443937E+21
Height
14618240.990403