12157813 is an odd 8-digits composite number following 12157812
and preceding 12157814 . In scientific notation, it is written as 1.2157813 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 12147520 positive integers (up to 12157813) that are relatively prime to 12157813.
12157813 has 4 divisors, whose sum is 12168108
The reverse of 12157813 is 31875121
Previous prime number is 1361
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million one hundred fifty-seven thousand eight hundred thirteen
Scientific notation
1.2157813 × 10^7
Engineering notation
1.2157813 × 10^6
Prime Factorization
1361 × 8933
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12157813
Product of the distinct prime numbers
The prime factorization of 12157813 is 1361 × 8933.
Since it has a total of 2 prime factors.
2 , 2 , 32 , 61 , 946 , 264 , 8805 , 950 , 87012 , 59640 , 447610 , 47624 , 9308504 , 5936973 , 93996778 , 8007323 , 813487146 , 501111347 , 8378982091 , 8748137627
n×2
24315626
n×3
36473439
n×4
48631252
n×5
60789065
n÷2
6078906.5
n÷3
4052604.3333333
n÷3
3039453.25
n÷5
2431562.6
n2
147812416942969
n3
1.7970757242706E+21
n4
2.1848510602522E+28
n5
2.6563010623398E+35
2 √n
3486.8055581004
3 √n
229.94209632475
4 √n
59.049179148405
5 √n
26.119874855786
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
-12157812
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 12157813 can be divided by 4 positive divisors.
The sum of these divisors (counting 12157813) is 1, the average is 0.25.
Base
System
Value
2
Binary
101110011000001101110101
3
Ternary
211212200101101
4
Quaternary
232120031311
5
Quinary
11103022223
6
Senary
1112330101
8
Octal
56301565
10
Decimal
12157813
12
Duodecimal
40a3931
16
Hexadecimal
b98375
20
Vigesimal
3fjead
36
Base36
78l11
md5
32af9576bab785c65b30def9693428a9
sha1
ada63b252db78859b2c62a6e6a0d99df509db6e4
sha256
3d33b9fc2c7892e74227ac21387244b60f1e9e8a178f38cb1c1d747ee45c8db3
sha512
551d5df94f5c9cfad61b31078c68b2d4bdac5f2e1ef7edb5fb591a1536a161dfc5ecfbd9365c0ac343ae6538ad1a5db01914ffed7b947c0b9df9ad260798e7e2
ripemd-160
e8703c7ebe0d585a7ab50dfe775a62a8407c606e
Diameter
24315626
Circumference
76389792.009037
Area
4.6436640317738E+14
Volume
7.5275731910843E+21
Surface area
1.8574656127095E+15
Circumference
76389792.009037
Perimeter
48631252
Area
147812416942969
Diagonal
17193744.033396
Surface area
886874501657814
Volume
1.7970757242706E+21
Space diagonal
21057949.824921
Perimeter
36473439
Area
64004654033694
Altitude
10528974.912461
Surface area
64004654033694
Volume
2.1178740515625E+20
Height
5731248.011132