156928921 is an odd 9-digits composite number following 156928920
and preceding 156928922 . In scientific notation, it is written as 1.56928921 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 147697792 positive integers (up to 156928921) that are relatively prime to 156928921.
156928921 has 4 divisors, whose sum is 166160052
The reverse of 156928921 is 129829651
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred fifty-six million nine hundred twenty-eight thousand nine hundred twenty-one
Scientific notation
1.56928921 × 10^8
Engineering notation
1.56928921 × 10^6
Prime Factorization
17 × 9231113
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
156928921
Product of the distinct prime numbers
The prime factorization of 156928921 is 17 × 9231113.
Since it has a total of 2 prime factors.
9 , 6 , 77 , 63 , 380 , 608 , 5063 , 6469 , 51191 , 89346 , 469803 , 852243 , 5391451 , 8841222 , 22282320 , 39654361 , 942907763 , 803801252 , 1264141821 , 6214379607
n×2
313857842
n×3
470786763
n×4
627715684
n×5
784644605
n÷2
78464460.5
n÷3
52309640.333333
n÷3
39232230.25
n÷5
31385784.2
n2
24626686246224241
n3
3.8646393004255E+24
n4
6.0647367546997E+32
n5
9.5173259506407E+40
2 √n
12527.127404158
3 √n
539.38764719773
4 √n
111.92465056527
5 √n
43.565288836018
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
-156928920
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 156928921 can be divided by 4 positive divisors.
The sum of these divisors (counting 156928921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010110101000101110011001
3
Ternary
101221021211000021
4
Quaternary
21112220232121
5
Quinary
310133211141
6
Senary
23323310441
8
Octal
1126505631
10
Decimal
156928921
12
Duodecimal
4467b421
16
Hexadecimal
95a8b99
20
Vigesimal
290g261
36
Base36
2lfj4p
md5
1d2c3f6a9df19b3c1f0af6ef9fbe8911
sha1
5078f8909502067b20f918b98a9f2efc35250832
sha256
ef555543eca43dcf5cb0cca27a7317418d72c62c5029cd0b900f593fb3d783c7
sha512
74158efa9f3c16ce3f8c5a0f37e68ef24a290e0194ea585d323e801b83f88d1c8703efec04ef2aa1dbfcb1edf8b4c9fa076d484391c472273b250f6a921151ab
ripemd-160
28d7c3e7d9e92acc2d143cd9da60656e8a75b33a
Diameter
313857842
Circumference
986013490.69875
Area
7.7367016593399E+16
Volume
1.6188163246655E+25
Surface area
3.094680663736E+17
Circumference
986013490.69875
Perimeter
627715684
Area
24626686246224241
Diagonal
221931008.40678
Surface area
147760117477345446
Volume
3.8646393004255E+24
Space diagonal
271808864.34896
Perimeter
470786763
Area
1.066366795013E+16
Altitude
135904432.17448
Surface area
1.066366795013E+16
Volume
4.5545210936182E+23
Height
73977002.802259