12388907 is an odd 8-digits composite number following 12388906
and preceding 12388908 . In scientific notation, it is written as 1.2388907 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 12320280 positive integers (up to 12388907) that are relatively prime to 12388907.
12388907 has 4 divisors, whose sum is 12457536
The reverse of 12388907 is 70988321
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million three hundred eighty-eight thousand nine hundred seven
Scientific notation
1.2388907 × 10^7
Engineering notation
1.2388907 × 10^6
Prime Factorization
181 × 68447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12388907
Product of the distinct prime numbers
The prime factorization of 12388907 is 181 × 68447.
Since it has a total of 2 prime factors.
1 , 9 , 50 , 89 , 446 , 399 , 9448 , 6380 , 33163 , 69114 , 509722 , 248303 , 8400587 , 7608642 , 24589928 , 51042374 , 637818539 , 923280050 , 5424158382 , 4851237842
n×2
24777814
n×3
37166721
n×4
49555628
n×5
61944535
n÷2
6194453.5
n÷3
4129635.6666667
n÷3
3097226.75
n÷5
2477781.4
n2
153485016654649
n3
1.9015115972279E+21
n4
2.3557650337478E+28
n5
2.9185353916953E+35
2 √n
3519.7879197474
3 √n
231.3898640637
4 √n
59.327800563879
5 √n
26.218424968555
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12388906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12388907 can be divided by 4 positive divisors.
The sum of these divisors (counting 12388907) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111010000101000101011
3
Ternary
212022102101102
4
Quaternary
233100220223
5
Quinary
11132421112
6
Senary
1121312015
8
Octal
57205053
10
Decimal
12388907
12
Duodecimal
419560b
16
Hexadecimal
bd0a2b
20
Vigesimal
3h8c57
36
Base36
7djcb
md5
fb1f5673990eb9dda0bb826f692816da
sha1
68c4ec2cfa924e3eca93ec7be8b78627e6e49548
sha256
88f8db6de18a21969bcdeea58d9e4c8c7b072b754c6bf11debeb4fefbc3b4153
sha512
a66f020a628775b28da0107520cf04d99702fb9b83ee0221d87b13109cdfecd73c1738eb3b238b3fb244471798bbc4644df8a22596902e8c35c9884ed2478bc3
ripemd-160
7851cf06442e6e540dfdcbf775e71447a85d7dd9
Diameter
24777814
Circumference
77841798.434414
Area
4.8218740075835E+14
Volume
7.9650331527559E+21
Surface area
1.9287496030334E+15
Circumference
77841798.434414
Perimeter
49555628
Area
153485016654649
Diagonal
17520560.302379
Surface area
920910099927894
Volume
1.9015115972279E+21
Space diagonal
21458216.374246
Perimeter
37166721
Area
66460961761602
Altitude
10729108.187123
Surface area
66460961761602
Volume
2.2409529081745E+20
Height
5840186.7674597