156942221 is an odd 9-digits composite number following 156942220
and preceding 156942222 . In scientific notation, it is written as 1.56942221 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 156763200 positive integers (up to 156942221) that are relatively prime to 156942221.
156942221 has 4 divisors, whose sum is 157121244
The reverse of 156942221 is 122249651
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred fifty-six million nine hundred forty-two thousand two hundred twenty-one
Scientific notation
1.56942221 × 10^8
Engineering notation
1.56942221 × 10^6
Prime Factorization
881 × 178141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
156942221
Product of the distinct prime numbers
The prime factorization of 156942221 is 881 × 178141.
Since it has a total of 2 prime factors.
8 , 6 , 52 , 62 , 52 , 82 , 1146 , 4375 , 93641 , 87638 , 995808 , 304523 , 976662 , 2014516 , 70273717 , 53663866 , 99266653 , 342547997 , 3392459518 , 8849341112
n×2
313884442
n×3
470826663
n×4
627768884
n×5
784711105
n÷2
78471110.5
n÷3
52314073.666667
n÷3
39235555.25
n÷5
31388444.2
n2
24630860732412841
n3
3.8656219884866E+24
n4
6.0667930041952E+32
n5
9.5213596842565E+40
2 √n
12527.658240868
3 √n
539.40288478216
4 √n
111.92702194228
5 √n
43.566027257842
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
-156942220
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 156942221 can be divided by 4 positive divisors.
The sum of these divisors (counting 156942221) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010110101011111110001101
3
Ternary
101221022111020212
4
Quaternary
21112223332031
5
Quinary
310134122341
6
Senary
23323452205
8
Octal
1126537615
10
Decimal
156942221
12
Duodecimal
44687065
16
Hexadecimal
95abf8d
20
Vigesimal
290hfb1
36
Base36
2lfte5
md5
64f2631ddd153a7aa990ad7396f1a06c
sha1
5ff3293f5ed9c2d10799b02141e65b15c81f6dd5
sha256
c02830bc7520e4c0211d0388307e88094acf25327ab9040c3da317e34419cdc2
sha512
9bff8ca14b51938af32ed716bea276f967b3e89ed71da84818a4fcf249e2af941163bc3d6330a950847173d597a594860b23e6d2a2de35b905bd8f0e2a2f4118
ripemd-160
149c23bcb5f5e1788ad6c7b341c36ef1022dd1ee
Diameter
313884442
Circumference
986097057.06333
Area
7.7380131128541E+16
Volume
1.6192279520779E+25
Surface area
3.0952052451417E+17
Circumference
986097057.06333
Perimeter
627768884
Area
24630860732412841
Diagonal
221949817.44716
Surface area
147785164394477046
Volume
3.8656219884866E+24
Space diagonal
271831900.6247
Perimeter
470826663
Area
1.0665475555673E+16
Altitude
135915950.31235
Surface area
1.0665475555673E+16
Volume
4.5556792026045E+23
Height
73983272.482385