157702991 is an odd 9-digits composite number following 157702990
and preceding 157702992 . In scientific notation, it is written as 1.57702991 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 151947360 positive integers (up to 157702991) that are relatively prime to 157702991.
157702991 has 8 divisors, whose sum is 163541664
The reverse of 157702991 is 199207751
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred fifty-seven million seven hundred two thousand nine hundred ninety-one
Scientific notation
1.57702991 × 10^8
Engineering notation
1.57702991 × 10^6
Prime Factorization
37 × 103 × 41381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157702991
Product of the distinct prime numbers
The prime factorization of 157702991 is 37 × 103 × 41381.
Since it has a total of 3 prime factors.
6 , 3 , 13 , 33 , 686 , 669 , 5593 , 905 , 75216 , 25388 , 961845 , 194686 , 5248252 , 3298754 , 20948357 , 87815365 , 994243419 , 573026112 , 856889035 , 4381679468
n×2
315405982
n×3
473108973
n×4
630811964
n×5
788514955
n÷2
78851495.5
n÷3
52567663.666667
n÷3
39425747.75
n÷5
31540598.2
n2
24870233370346081
n3
3.9221101893716E+24
n4
6.1852850789548E+32
n5
9.7543795713884E+40
2 √n
12557.9851489
3 √n
540.27305691851
4 √n
112.0624163085
5 √n
43.608182450457
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
-157702990
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 157702991 can be divided by 8 positive divisors.
The sum of these divisors (counting 157702991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011001100101101101001111
3
Ternary
101222202010211112
4
Quaternary
21121211231033
5
Quinary
310332443431
6
Senary
23352042235
8
Octal
1131455517
10
Decimal
157702991
12
Duodecimal
4499337b
16
Hexadecimal
9665b4f
20
Vigesimal
295ch9b
36
Base36
2lw4en
md5
045a003736c519fdaa23455b00285430
sha1
b36f679aeb6bc246e0df6bae0e460b0afe16c7e9
sha256
7a51b090ba4635be2cab8c449417b7a8575341a5f2500ec32ce7a9de9d12dc81
sha512
208759aafdbda0bc48f02aa9f4814292146477b06f6cc07e952d8786b67f3c863197a8c1d14884057f68d42a722de34f7e2031442bcb1e396d163cf47a56749c
ripemd-160
5df0c6be35876ae9445e35a8eae63d4a686d9167
Diameter
315405982
Circumference
990877115.94947
Area
7.8132142449343E+16
Volume
1.6428896743333E+25
Surface area
3.1252856979737E+17
Circumference
990877115.94947
Perimeter
630811964
Area
24870233370346081
Diagonal
223025708.699
Surface area
149221400222076486
Volume
3.9221101893716E+24
Space diagonal
273149592.91758
Perimeter
473108973
Area
1.0769126948384E+16
Altitude
136574796.45879
Surface area
1.0769126948384E+16
Volume
4.6222511857758E+23
Height
74341902.899667