157702989 is an odd 9-digits composite number following 157702988
and preceding 157702990 . In scientific notation, it is written as 1.57702989 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 104490000 positive integers (up to 157702989) that are relatively prime to 157702989.
157702989 has 8 divisors, whose sum is 211561312
The reverse of 157702989 is 989207751
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred fifty-seven million seven hundred two thousand nine hundred eighty-nine
Scientific notation
1.57702989 × 10^8
Engineering notation
1.57702989 × 10^6
Prime Factorization
3 × 163 × 322501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157702989
Product of the distinct prime numbers
The prime factorization of 157702989 is 3 × 163 × 322501.
Since it has a total of 3 prime factors.
7 , 9 , 45 , 37 , 111 , 975 , 1934 , 8093 , 43783 , 42453 , 509649 , 446182 , 4002626 , 7638911 , 37909461 , 53577226 , 432126864 , 542794467 , 1094472559 , 2931973680
n×2
315405978
n×3
473108967
n×4
630811956
n×5
788514945
n÷2
78851494.5
n÷3
52567663
n÷3
39425747.25
n÷5
31540597.8
n2
24870232739534121
n3
3.9221100401502E+24
n4
6.1852847651859E+32
n5
9.7543789528599E+40
2 √n
12557.98506927
3 √n
540.27305463458
4 √n
112.06241595321
5 √n
43.608182339849
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
-157702988
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 157702989 can be divided by 8 positive divisors.
The sum of these divisors (counting 157702989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011001100101101101001101
3
Ternary
101222202010211110
4
Quaternary
21121211231031
5
Quinary
310332443424
6
Senary
23352042233
8
Octal
1131455515
10
Decimal
157702989
12
Duodecimal
44993379
16
Hexadecimal
9665b4d
20
Vigesimal
295ch99
36
Base36
2lw4el
md5
0ac382c788599aebac7b00d0d7e6c7fa
sha1
9cae511e0fc0c811dee84a2eb67559ec63d62117
sha256
03beb4a283357b2410fdc4f10b3f7b24984113896a9bd79b768bf8b851760776
sha512
f88a2b90816007fa759173696d82c46e426fc5e08fea505776c039d6857f51bde59616cff10b5a6cb46159bfa780e964bf4d6fd1723c92f973f78aba745f654e
ripemd-160
7643b4740b31e7904e0b610500ae5655d8774a67
Diameter
315405978
Circumference
990877103.3831
Area
7.8132140467589E+16
Volume
1.6428896118275E+25
Surface area
3.1252856187036E+17
Circumference
990877103.3831
Perimeter
630811956
Area
24870232739534121
Diagonal
223025705.87058
Surface area
149221396437204726
Volume
3.9221100401502E+24
Space diagonal
273149589.45348
Perimeter
473108967
Area
1.0769126675234E+16
Altitude
136574794.72674
Surface area
1.0769126675234E+16
Volume
4.6222510099167E+23
Height
74341901.956858