12157220 is an even 8-digits composite number following 12157219
and preceding 12157221 . In scientific notation, it is written as 1.2157220 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 4862880 positive integers (up to 12157220) that are relatively prime to 12157220.
12157220 has 12 divisors, whose sum is 25530204
The reverse of 12157220 is 02275121
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twelve million one hundred fifty-seven thousand two hundred twenty
Scientific notation
1.2157220 × 10^7
Engineering notation
1.2157220 × 10^6
Prime Factorization
2 × 2 × 5 × 607861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6078610
Product of the distinct prime numbers
The prime factorization of 12157220 is 2 × 2 × 5 × 607861.
Since it has a total of 4 prime factors.
1 , 9 , 74 , 55 , 359 , 682 , 3116 , 5717 , 11061 , 82185 , 43081 , 430724 , 1087429 , 76698 , 32561615 , 4532394 , 747529335 , 555449794 , 5945623318 , 2538385544
n×2
24314440
n×3
36471660
n×4
48628880
n×5
60786100
n÷2
6078610
n÷3
4052406.6666667
n÷3
3039305
n÷5
2431444
n2
147797998128400
n3
1.7968127788065E+21
n4
2.1844248250763E+28
n5
2.6556533171914E+35
2 √n
3486.7205222099
3 √n
229.93835777188
4 √n
59.048459101063
5 √n
26.119620050288
1 , 2 , 4 , 5 , 10 , 20 , 607861 , 1215722 , 2431444 , 3039305 , 6078610 , 12157220
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12157219
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12157220 can be divided by 12 positive divisors.
The sum of these divisors (counting 12157220) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101110011000000100100100
3
Ternary
211212122120102
4
Quaternary
232120010210
5
Quinary
11103012340
6
Senary
1112323232
8
Octal
56300444
10
Decimal
12157220
12
Duodecimal
40a3518
16
Hexadecimal
b98124
20
Vigesimal
3fjd10
36
Base36
78kkk
md5
3ab64d85ce76f4993c0f54bf848506f8
sha1
a947f0a34aa7da5bca67a1908f3d3e1165b04b8e
sha256
8500101d42712464ba0aeb36ef01b43224d52599e028a095fe5c22ce53273007
sha512
56d736e5273c10aa8115b848ef3e674e8d65affd48945bcac75a6c929cc32d4f9ebfd1b3bc297aa5675847940ec11e2e911174a1732839c9856199ace9352173
ripemd-160
e4ab55ea2b5d41745c57b3d599a2935ffb0636b3
Diameter
24314440
Circumference
76386066.08015
Area
4.6432110513546E+14
Volume
7.5264717676999E+21
Surface area
1.8572844205418E+15
Circumference
76386066.08015
Perimeter
48628880
Area
147797998128400
Diagonal
17192905.404753
Surface area
886787988770400
Volume
1.7968127788065E+21
Space diagonal
21056922.718793
Perimeter
36471660
Area
63998410503840
Altitude
10528461.359396
Surface area
63998410503840
Volume
2.1175641673613E+20
Height
5730968.4682511