156939993 is an odd 9-digits composite number following 156939992
and preceding 156939994 . In scientific notation, it is written as 1.56939993 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 89678232 positive integers (up to 156939993) that are relatively prime to 156939993.
156939993 has 16 divisors, whose sum is 203360000
The reverse of 156939993 is 399939651
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred fifty-six million nine hundred thirty-nine thousand nine hundred ninety-three
Scientific notation
1.56939993 × 10^8
Engineering notation
1.56939993 × 10^6
Prime Factorization
9 × 7 × 49 × 50839
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
156939993
Product of the distinct prime numbers
The prime factorization of 156939993 is 9 × 7 × 49 × 50839.
Since it has a total of 4 prime factors.
8 , 3 , 48 , 5 , 719 , 692 , 4425 , 2594 , 62195 , 24068 , 383723 , 462210 , 8053113 , 2840745 , 20180512 , 98279544 , 501316230 , 9115959 , 2246862185 , 8172709964
n×2
313879986
n×3
470819979
n×4
627759972
n×5
784699965
n÷2
78469996.5
n÷3
52313331
n÷3
39234998.25
n÷5
31387998.6
n2
24630161402840049
n3
3.8654573581506E+24
n4
6.0664485072995E+32
n5
9.5206838627045E+40
2 √n
12527.56931731
3 √n
539.40033226038
4 √n
111.92662470257
5 √n
43.565903561797
1 , 7 , 9 , 49 , 63 , 343 , 441 , 3087 , 50839 , 355873 , 457551 , 2491111 , 3202857 , 17437777 , 22419999 , 156939993
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
-156939992
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 156939993 can be divided by 16 positive divisors.
The sum of these divisors (counting 156939993) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010110101011011011011001
3
Ternary
101221022101012100
4
Quaternary
21112223123121
5
Quinary
310134034433
6
Senary
23323434013
8
Octal
1126533331
10
Decimal
156939993
12
Duodecimal
44685909
16
Hexadecimal
95ab6d9
20
Vigesimal
290h9jd
36
Base36
2lfro9
md5
b8e40a21b3ee6333e8d182d36a49d444
sha1
b478331b27d84761d7b0b84543cd9856e9665850
sha256
632c5ebcd1d33d21ed1ded6b95b177bc248fa6933fe5f01580b6d105327a99fe
sha512
1c4ff81f47fd9852d74ea133c9b6e75b802b5216524f3dc9fa148062bb5b4330bafe18a267a1ec0d199045c2cf9673130c31519e359e774b8c53c6109fb9f39b
ripemd-160
e436e5d93391c19e8211e9785ccb002ba72ad90b
Diameter
313879986
Circumference
986083058.12647
Area
7.7377934119893E+16
Volume
1.6191589918841E+25
Surface area
3.0951173647957E+17
Circumference
986083058.12647
Perimeter
627759972
Area
24630161402840049
Diagonal
221946666.57934
Surface area
147780968417040294
Volume
3.8654573581506E+24
Space diagonal
271828041.6155
Perimeter
470819979
Area
1.0665172737085E+16
Altitude
135914020.80775
Surface area
1.0665172737085E+16
Volume
4.5554851838929E+23
Height
73982222.193113