12138972 is an even 8-digits composite number following 12138971
and preceding 12138973 . In scientific notation, it is written as 1.2138972 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 3960048 positive integers (up to 12138972) that are relatively prime to 12138972.
12138972 has 24 divisors, whose sum is 28928256
The reverse of 12138972 is 27983121
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million one hundred thirty-eight thousand nine hundred seventy-two
Scientific notation
1.2138972 × 10^7
Engineering notation
1.2138972 × 10^6
Prime Factorization
2 × 2 × 3 × 47 × 21523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6069486
Product of the distinct prime numbers
The prime factorization of 12138972 is 2 × 2 × 3 × 47 × 21523.
Since it has a total of 5 prime factors.
7 , 9 , 85 , 34 , 293 , 731 , 4938 , 2100 , 78758 , 78216 , 994814 , 626352 , 5045097 , 82247 , 99310806 , 67870007 , 389749297 , 163321685 , 3289341818 , 9244790676
n×2
24277944
n×3
36416916
n×4
48555888
n×5
60694860
n÷2
6069486
n÷3
4046324
n÷3
3034743
n÷5
2427794.4
n2
147354641216784
n3
1.7887338638006E+21
n4
2.1713390288127E+28
n5
2.6357823673265E+35
2 √n
3484.1027539382
3 √n
229.82325425691
4 √n
59.026288668171
5 √n
26.111774222804
1 , 2 , 3 , 4 , 6 , 12 , 47 , 94 , 141 , 188 , 282 , 564 , 21523 , 43046 , 64569 , 86092 , 129138 , 258276 , 1011581 , 2023162 , 3034743 , 4046324 , 6069486 , 12138972
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
-12138971
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 12138972 can be divided by 24 positive divisors.
The sum of these divisors (counting 12138972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101110010011100111011100
3
Ternary
211211201112120
4
Quaternary
232103213130
5
Quinary
11101421342
6
Senary
1112102540
8
Octal
56234734
10
Decimal
12138972
12
Duodecimal
4094a50
16
Hexadecimal
b939dc
20
Vigesimal
3fh78c
36
Base36
786ho
md5
cf90618d05b9419985a320aff6d98525
sha1
a7f71fbc22522b905faddf92c6fcfc14519259c5
sha256
7f5330170fd02cfd5805f5a0b75eaacf9d42d8932915445250c5c81230ca6cbd
sha512
6a24a729205c0ab14828bb67854cfea8015fddc9b665fcdc9cffe09ba8b1376cf58c079e68895177ecc82bb6e6970aa1f13bbdb79c2cfcc78ae4112b29789e17
ripemd-160
f234312dd3d335af0b10fc2cb7f1aef443af5b7d
Diameter
24277944
Circumference
76271410.514664
Area
4.6292825831901E+14
Volume
7.4926308876576E+21
Surface area
1.851713033276E+15
Circumference
76271410.514664
Perimeter
48555888
Area
147354641216784
Diagonal
17167098.835667
Surface area
884127847300704
Volume
1.7887338638006E+21
Space diagonal
21025316.255656
Perimeter
36416916
Area
63806431329638
Altitude
10512658.127828
Surface area
63806431329638
Volume
2.108043074719E+20
Height
5722366.2785558