12157218 is an even 8-digits composite number following 12157217
and preceding 12157219 . In scientific notation, it is written as 1.2157218 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 3894912 positive integers (up to 12157218) that are relatively prime to 12157218.
12157218 has 16 divisors, whose sum is 20412000
The reverse of 12157218 is 81275121
Previous prime number is 4859
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million one hundred fifty-seven thousand two hundred eighteen
Scientific notation
1.2157218 × 10^7
Engineering notation
1.2157218 × 10^6
Prime Factorization
2 × 9 × 4859 × 139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12157218
Product of the distinct prime numbers
The prime factorization of 12157218 is 2 × 9 × 4859 × 139.
Since it has a total of 4 prime factors.
3 , 9 , 78 , 67 , 941 , 280 , 765 , 884 , 83721 , 49245 , 16948 , 333360 , 4594679 , 6345794 , 87448341 , 7731183 , 35634074 , 158241213 , 9760874419 , 6054817150
n×2
24314436
n×3
36471654
n×4
48628872
n×5
60786090
n÷2
6078609
n÷3
4052406
n÷3
3039304.5
n÷5
2431443.6
n2
147797949499524
n3
1.7968118920187E+21
n4
2.1844233876264E+28
n5
2.6556511327672E+35
2 √n
3486.7202354075
3 √n
229.93834516272
4 √n
59.048456672529
5 √n
26.119619190894
1 , 2 , 9 , 18 , 139 , 278 , 1251 , 2502 , 4859 , 9718 , 43731 , 87462 , 675401 , 1350802 , 6078609 , 12157218
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
-12157217
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 12157218 can be divided by 16 positive divisors.
The sum of these divisors (counting 12157218) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101110011000000100100010
3
Ternary
211212122120100
4
Quaternary
232120010202
5
Quinary
11103012333
6
Senary
1112323230
8
Octal
56300442
10
Decimal
12157218
12
Duodecimal
40a3516
16
Hexadecimal
b98122
20
Vigesimal
3fjd0i
36
Base36
78kki
md5
a6cc3f977259a3fdc9cce57221904963
sha1
63417bd4cde6f09ce9bd0ca979e8ec916a5c25c6
sha256
ae3e69c83ebbbcba5a87cb5181215ea5f27790a2dfc7fc26b63489acc3fce28d
sha512
9ef337ca5430a44585b295cd239bd37125f4145672801e20ec688fd240726d099cac61e164f29bec56084994512baf15256beccd76f2618c2e3b5c298bffe584
ripemd-160
298033429bb8316886a35f3fefff879a4a00f115
Diameter
24314436
Circumference
76386053.513779
Area
4.6432095236334E+14
Volume
7.5264680531317E+21
Surface area
1.8572838094534E+15
Circumference
76386053.513779
Perimeter
48628872
Area
147797949499524
Diagonal
17192902.576326
Surface area
886787696997144
Volume
1.7968118920187E+21
Space diagonal
21056919.254691
Perimeter
36471654
Area
63998389446919
Altitude
10528459.627345
Surface area
63998389446919
Volume
2.1175631222718E+20
Height
5730967.5254421