12157438 is an even 8-digits composite number following 12157437
and preceding 12157439 . In scientific notation, it is written as 1.2157438 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 5839456 positive integers (up to 12157438) that are relatively prime to 12157438.
12157438 has 16 divisors, whose sum is 18960480
The reverse of 12157438 is 83475121
Previous prime number is 797
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million one hundred fifty-seven thousand four hundred thirty-eight
Scientific notation
1.2157438 × 10^7
Engineering notation
1.2157438 × 10^6
Prime Factorization
2 × 29 × 797 × 263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12157438
Product of the distinct prime numbers
The prime factorization of 12157438 is 2 × 29 × 797 × 263.
Since it has a total of 4 prime factors.
8 , 4 , 70 , 77 , 571 , 752 , 3895 , 4227 , 63977 , 77063 , 704061 , 550473 , 8005078 , 6122324 , 2519496 , 83569759 , 108230 , 982066198 , 4028705429 , 2025584889
n×2
24314876
n×3
36472314
n×4
48629752
n×5
60787190
n÷2
6078719
n÷3
4052479.3333333
n÷3
3039359.5
n÷5
2431487.6
n2
147803298723844
n3
1.7969094404306E+21
n4
2.184581511365E+28
n5
2.6558914280366E+35
2 √n
3486.7517835372
3 √n
229.93973216126
4 √n
59.048723809556
5 √n
26.119713723617
1 , 2 , 29 , 58 , 263 , 526 , 797 , 1594 , 7627 , 15254 , 23113 , 46226 , 209611 , 419222 , 6078719 , 12157438
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12157437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12157438 can be divided by 16 positive divisors.
The sum of these divisors (counting 12157438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101110011000000111111110
3
Ternary
211212122212111
4
Quaternary
232120013332
5
Quinary
11103014223
6
Senary
1112324234
8
Octal
56300776
10
Decimal
12157438
12
Duodecimal
40a367a
16
Hexadecimal
b981fe
20
Vigesimal
3fjdbi
36
Base36
78kqm
md5
0f0ef364cf4470bc3e96d3812dbea3e3
sha1
046c2b414eba2b4728a46f0f2d7c3a6676de0188
sha256
e4a13e90969933991e5e919ef1c85a9b443616fb7224db12b26f4e414250d95a
sha512
f77cd0f9f517937d7f7d20d35a605743632f46af504a7d865dc9abf74d5e79187bb4b5610fc6312c664eb17a024018e79354b871ba3eb320cf7f56c24e8a3990
ripemd-160
6c6d58b8a555673f0b4ad54c90116f9bf8e75367
Diameter
24314876
Circumference
76387435.814547
Area
4.6433775744717E+14
Volume
7.5268766629639E+21
Surface area
1.8573510297887E+15
Circumference
76387435.814547
Perimeter
48629752
Area
147803298723844
Diagonal
17193213.70331
Surface area
886819792343064
Volume
1.7969094404306E+21
Space diagonal
21057300.305869
Perimeter
36472314
Area
64000705728994
Altitude
10528650.152934
Surface area
64000705728994
Volume
2.1176780841777E+20
Height
5731071.2344367