157440985 is an odd 9-digits composite number following 157440984
and preceding 157440986 . In scientific notation, it is written as 1.57440985 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 116264064 positive integers (up to 157440985) that are relatively prime to 157440985.
157440985 has 8 divisors, whose sum is 203462280
The reverse of 157440985 is 589044751
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred fifty-seven million four hundred forty thousand nine hundred eighty-five
Scientific notation
1.57440985 × 10^8
Engineering notation
1.57440985 × 10^6
Prime Factorization
5 × 13 × 2422169
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157440985
Product of the distinct prime numbers
The prime factorization of 157440985 is 5 × 13 × 2422169.
Since it has a total of 3 prime factors.
8 , 6 , 5 , 57 , 62 , 675 , 8316 , 3509 , 74559 , 37663 , 600830 , 792742 , 1583947 , 9715805 , 38189739 , 47439894 , 194645847 , 79738778 , 9003482449 , 1768356457
n×2
314881970
n×3
472322955
n×4
629763940
n×5
787204925
n÷2
78720492.5
n÷3
52480328.333333
n÷3
39360246.25
n÷5
31488197
n2
24787663757770225
n3
3.9025941978721E+24
n4
6.1442827456828E+32
n5
9.673619275988E+40
2 √n
12547.548963842
3 √n
539.97368984753
4 √n
112.01584246811
5 √n
43.593682781293
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
-157440984
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 157440985 can be divided by 8 positive divisors.
The sum of these divisors (counting 157440985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011000100101101111011001
3
Ternary
101222020211102121
4
Quaternary
21120211233121
5
Quinary
310301102420
6
Senary
23342301241
8
Octal
1130455731
10
Decimal
157440985
12
Duodecimal
44887821
16
Hexadecimal
9625bd9
20
Vigesimal
2940295
36
Base36
2lqi8p
md5
54f631e89389378144156d8c4cb7e653
sha1
7927b95187351a1680b607104ae26d7946dec620
sha256
95dac2541713e707983a277e161ca3a988874548211ab4f9b75c935df3d6c774
sha512
4d886d8bd54e97700003a8565c15aae328f7ddcc8d0f60c2c51e4ff5414317011cef328feeb8531a2ed83cd4f3fdefefb3d18c65247c00278a17af19a20136cf
ripemd-160
f818e2a159da75699078581caab0dfda7116442d
Diameter
314881970
Circumference
989230883.69988
Area
7.7872742361065E+16
Volume
1.6347148349303E+25
Surface area
3.1149096944426E+17
Circumference
989230883.69988
Perimeter
629763940
Area
24787663757770225
Diagonal
222655176.26038
Surface area
148725982546621350
Volume
3.9025941978721E+24
Space diagonal
272695785.21369
Perimeter
472322955
Area
1.0733373257348E+16
Altitude
136347892.60684
Surface area
1.0733373257348E+16
Volume
4.5992513692244E+23
Height
74218392.086793