157438769 is an odd 9-digits composite number following 157438768
and preceding 157438770 . In scientific notation, it is written as 1.57438769 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 149152500 positive integers (up to 157438769) that are relatively prime to 157438769.
157438769 has 4 divisors, whose sum is 165725040
The reverse of 157438769 is 967834751
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred fifty-seven million four hundred thirty-eight thousand seven hundred sixty-nine
Scientific notation
1.57438769 × 10^8
Engineering notation
1.57438769 × 10^6
Prime Factorization
19 × 8286251
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157438769
Product of the distinct prime numbers
The prime factorization of 157438769 is 19 × 8286251.
Since it has a total of 2 prime factors.
4 , 5 , 48 , 33 , 206 , 338 , 2628 , 2481 , 406 , 36391 , 999516 , 280817 , 5355572 , 7159774 , 60554737 , 9925255 , 545911373 , 834938391 , 7936409111 , 8777703196
n×2
314877538
n×3
472316307
n×4
629755076
n×5
787193845
n÷2
78719384.5
n÷3
52479589.666667
n÷3
39359692.25
n÷5
31487753.8
n2
24786965984235361
n3
3.9024294118029E+24
n4
6.1439368270364E+32
n5
9.6729385086238E+40
2 √n
12547.460659432
3 √n
539.97115643834
4 √n
112.01544830706
5 √n
43.593560063381
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157438768
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157438769 can be divided by 4 positive divisors.
The sum of these divisors (counting 157438769) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100101001100110001
3
Ternary
101222020201101112
4
Quaternary
21120211030301
5
Quinary
310301020034
6
Senary
23342243105
8
Octal
1130451461
10
Decimal
157438769
12
Duodecimal
44886495
16
Hexadecimal
9625331
20
Vigesimal
293jgi9
36
Base36
2lqgj5
md5
e670f20b4831dfc3cba6cc2c19026e69
sha1
dcc87fb86e7c41038276744d3dec22a7758b972d
sha256
0e32d0ac3f58d0f762e3e89786edd8caf25dafc450ced48c009fb408a0a42cad
sha512
128865f1c08286fa5f92aacc35ef44cc767195cc13a84491e9b16e167c59a4ef8a093457a7ce92922e313b5e985a141dba4e8dfcd891c044bdd33ad17c6d3c41
ripemd-160
5b0dd91aa4aa4aaf4aed9d1ac8918f4dd47c6f7a
Diameter
314877538
Circumference
989216960.16124
Area
7.7870550240854E+16
Volume
1.634645809503E+25
Surface area
3.1148220096342E+17
Circumference
989216960.16124
Perimeter
629755076
Area
24786965984235361
Diagonal
222652042.36312
Surface area
148721795905412166
Volume
3.9024294118029E+24
Space diagonal
272691946.9891
Perimeter
472316307
Area
1.0733071112544E+16
Altitude
136345973.49455
Surface area
1.0733071112544E+16
Volume
4.5990571669794E+23
Height
74217347.454375