156742990 is an even 9-digits composite number following 156742989
and preceding 156742991 . In scientific notation, it is written as 1.56742990 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 62521120 positive integers (up to 156742990) that are relatively prime to 156742990.
156742990 has 16 divisors, whose sum is 282929760
The reverse of 156742990 is 099247651
Previous prime number is 359
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred fifty-six million seven hundred forty-two thousand nine hundred ninety
Scientific notation
1.56742990 × 10^8
Engineering notation
1.56742990 × 10^6
Prime Factorization
2 × 5 × 359 × 43661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
156742990
Product of the distinct prime numbers
The prime factorization of 156742990 is 2 × 5 × 359 × 43661.
Since it has a total of 4 prime factors.
3 , 4 , 90 , 7 , 367 , 32 , 8509 , 2878 , 87495 , 42857 , 236990 , 954308 , 9152052 , 4854463 , 99814201 , 91033150 , 190691460 , 105039901 , 9872292578 , 1557331827
n×2
313485980
n×3
470228970
n×4
626971960
n×5
783714950
n÷2
78371495
n÷3
52247663.333333
n÷3
39185747.5
n÷5
31348598
n2
24568364914140100
n3
3.8509189760534E+24
n4
6.0360455455435E+32
n5
9.4610782658467E+40
2 √n
12519.704069985
3 √n
539.17453900018
4 √n
111.891483456
5 √n
43.554960619589
1 , 2 , 5 , 10 , 359 , 718 , 1795 , 3590 , 43661 , 87322 , 218305 , 436610 , 15674299 , 31348598 , 78371495 , 156742990
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
-156742989
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 156742990 can be divided by 16 positive divisors.
The sum of these divisors (counting 156742990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010101111011010101001110
3
Ternary
101220221100221221
4
Quaternary
21111323111032
5
Quinary
310111233430
6
Senary
23315313554
8
Octal
1125732516
10
Decimal
156742990
12
Duodecimal
445ab8ba
16
Hexadecimal
957b54e
20
Vigesimal
28jch9a
36
Base36
2lbjny
md5
d54577fe9bb1df60a5dc28e7ccc38c63
sha1
078249d289c9a451941d212651e567bd78b9f707
sha256
e01e4c9965f94fcdde823e9fb3f2f7ef5f9be4c4392d4ccf89946fa1813686a9
sha512
09ece68d86e9596906702aec79fb2443c9523d98fa71466c14dc23ee7f9068602a4a5c2ffd45fa817ef08c6d005735b17d41b11f1c2b7a8706408fc98227750b
ripemd-160
2c2005a08fec3e48eb31241bfef71c3991002985
Diameter
313485980
Circumference
984845251.7714
Area
7.7183794724976E+16
Volume
1.6130691686319E+25
Surface area
3.087351788999E+17
Circumference
984845251.7714
Perimeter
626971960
Area
24568364914140100
Diagonal
221668062.26491
Surface area
147410189484840600
Volume
3.8509189760534E+24
Space diagonal
271486822.41026
Perimeter
470228970
Area
1.0638414072546E+16
Altitude
135743411.20513
Surface area
1.0638414072546E+16
Volume
4.5383515362789E+23
Height
73889354.088303