156945021 is an odd 9-digits composite number following 156945020
and preceding 156945022 . In scientific notation, it is written as 1.56945021 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 102366000 positive integers (up to 156945021) that are relatively prime to 156945021.
156945021 has 16 divisors, whose sum is 213831168
The reverse of 156945021 is 120549651
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred fifty-six million nine hundred forty-five thousand twenty-one
Scientific notation
1.56945021 × 10^8
Engineering notation
1.56945021 × 10^6
Prime Factorization
3 × 67 × 151 × 5171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
156945021
Product of the distinct prime numbers
The prime factorization of 156945021 is 3 × 67 × 151 × 5171.
Since it has a total of 4 prime factors.
5 , 3 , 17 , 78 , 714 , 382 , 2236 , 1321 , 80782 , 52556 , 134594 , 785742 , 3159589 , 6243091 , 59737392 , 12885846 , 956356900 , 523386717 , 5369132242 , 1890352505
n×2
313890042
n×3
470835063
n×4
627780084
n×5
784725105
n÷2
78472510.5
n÷3
52315007
n÷3
39236255.25
n÷5
31389004.2
n2
24631739616690441
n3
3.865828891408E+24
n4
6.0672259654444E+32
n5
9.5222090655841E+40
2 √n
12527.769993099
3 √n
539.40609258498
4 √n
111.92752116034
5 √n
43.566182708689
1 , 3 , 67 , 151 , 201 , 453 , 5171 , 10117 , 15513 , 30351 , 346457 , 780821 , 1039371 , 2342463 , 52315007 , 156945021
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
-156945020
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 156945021 can be divided by 16 positive divisors.
The sum of these divisors (counting 156945021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010110101100101001111101
3
Ternary
101221022122002120
4
Quaternary
21112230221331
5
Quinary
310134220041
6
Senary
23323513153
8
Octal
1126545175
10
Decimal
156945021
12
Duodecimal
446887b9
16
Hexadecimal
95aca7d
20
Vigesimal
290i2b1
36
Base36
2lfvjx
md5
e119e2a74437fcd39f890b534fc443bf
sha1
4072b1d3d8cc73e3ecb2eb5b8d19ba7c9bd68cd1
sha256
349b40303f185e5dcb4c894feb8c7bb67e0cf35892c57392f2fef5fbca582e44
sha512
14ee800e7c5dcb34992b5e05c924fe7f4524202cdc86ac55f0774cc5ae18c0299732a8955cf74a5bfe5b25a7a1f118d31f2bb897b9fad3f0b4ae0316c570aef1
ripemd-160
590b39e4729fb42290d443aacffb63044ab2e249
Diameter
313890042
Circumference
986114649.98219
Area
7.7382892224931E+16
Volume
1.619314619371E+25
Surface area
3.0953156889973E+17
Circumference
986114649.98219
Perimeter
627780084
Area
24631739616690441
Diagonal
221953777.24513
Surface area
147790437700142646
Volume
3.865828891408E+24
Space diagonal
271836750.36696
Perimeter
470835063
Area
1.0665856123729E+16
Altitude
135918375.18348
Surface area
1.0665856123729E+16
Volume
4.5559230400358E+23
Height
73984592.415043