156921331 is an odd 9-digits composite number following 156921330
and preceding 156921332 . In scientific notation, it is written as 1.56921331 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 134016768 positive integers (up to 156921331) that are relatively prime to 156921331.
156921331 has 8 divisors, whose sum is 179988320
The reverse of 156921331 is 133129651
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-six million nine hundred twenty-one thousand three hundred thirty-one
Scientific notation
1.56921331 × 10^8
Engineering notation
1.56921331 × 10^6
Prime Factorization
7 × 277 × 80929
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
156921331
Product of the distinct prime numbers
The prime factorization of 156921331 is 7 × 277 × 80929.
Since it has a total of 3 prime factors.
7 , 10 , 76 , 83 , 812 , 926 , 4599 , 1817 , 59918 , 21078 , 541225 , 123626 , 7572952 , 8964266 , 21610374 , 92178055 , 247733266 , 150067004 , 7156441863 , 4685606670
n×2
313842662
n×3
470763993
n×4
627685324
n×5
784606655
n÷2
78460665.5
n÷3
52307110.333333
n÷3
39230332.75
n÷5
31384266.2
n2
24624304122811561
n3
3.8640785779004E+24
n4
6.0635635353271E+32
n5
9.515024605666E+40
2 √n
12526.824457938
3 √n
539.3789510776
4 √n
111.92329720812
5 √n
43.564867413457
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156921330
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156921331 can be divided by 8 positive divisors.
The sum of these divisors (counting 156921331) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110100110110111110011
3
Ternary
101221021102121011
4
Quaternary
21112212313303
5
Quinary
310132440311
6
Senary
23323211351
8
Octal
1126466763
10
Decimal
156921331
12
Duodecimal
44676b57
16
Hexadecimal
95a6df3
20
Vigesimal
290f36b
36
Base36
2lfd9v
md5
3bbabe79953ee48660973a437eba816e
sha1
cdef40dbf77944e4bfe96b6723f2399af7052abb
sha256
f479080ba7b29eea3b4253745ba9177c3122daf1b5aa0d99b25880d2d0e4eb3e
sha512
3767adc2e3428b74bd1a1c377efdb9520cdd456676e104e74df0e0b4641155001717b449c0cf67b16375c019f5fa5b8ddf0fe4fccc502c2b77e9025efcec2e8e
ripemd-160
d4322d33d6b38ded61a64b2742601d0e5a316284
Diameter
313842662
Circumference
985965801.32226
Area
7.7359532931986E+16
Volume
1.6185814497634E+25
Surface area
3.0943813172794E+17
Circumference
985965801.32226
Perimeter
627685324
Area
24624304122811561
Diagonal
221920274.52584
Surface area
147745824736869366
Volume
3.8640785779004E+24
Space diagonal
271795718.08333
Perimeter
470763993
Area
1.0662636460434E+16
Altitude
135897859.04167
Surface area
1.0662636460434E+16
Volume
4.553860275785E+23
Height
73973424.841946