157788105 is an odd 9-digits composite number following 157788104
and preceding 157788106 . In scientific notation, it is written as 1.57788105 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 84153648 positive integers (up to 157788105) that are relatively prime to 157788105.
157788105 has 4 divisors, whose sum is 168307328
The reverse of 157788105 is 501887751
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-seven million seven hundred eighty-eight thousand one hundred five
Scientific notation
1.57788105 × 10^8
Engineering notation
1.57788105 × 10^6
Prime Factorization
15 × 10519207
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157788105
Product of the distinct prime numbers
The prime factorization of 157788105 is 15 × 10519207.
Since it has a total of 2 prime factors.
6 , 4 , 84 , 86 , 170 , 866 , 928 , 6431 , 9069 , 28264 , 339499 , 888309 , 206252 , 2654499 , 20256103 , 97575880 , 746557802 , 992691917 , 3680578457 , 4244172705
n×2
315576210
n×3
473364315
n×4
631152420
n×5
788940525
n÷2
78894052.5
n÷3
52596035
n÷3
39447026.25
n÷5
31557621
n2
24897086079491025
n3
3.9284640325048E+24
n4
6.1986489524959E+32
n5
9.7807307177456E+40
2 √n
12561.373531585
3 √n
540.37023649708
4 √n
112.07753357201
5 √n
43.61288859558
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
-157788104
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 157788105 can be divided by 4 positive divisors.
The sum of these divisors (counting 157788105) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011001111010011111001001
3
Ternary
101222220110120220
4
Quaternary
21121322133021
5
Quinary
310343204410
6
Senary
23353540253
8
Octal
1131723711
10
Decimal
157788105
12
Duodecimal
44a14689
16
Hexadecimal
967a7c9
20
Vigesimal
2963a55
36
Base36
2lxy2x
md5
f6268c5a54ccaf77f50d73f99b30ab80
sha1
a696d2bb736524f3821aa94222fcda21939f8522
sha256
a04db04f54667a056cdbcdefdfe292b8d85a0012edc79e8b096bc8064218366b
sha512
6baa3006812882f52feab63377b5cc5da3bb4264dd7b25f4d5101415c31266c06dc8bb67bc8793c53514dcd30a0b9f22684bee7a553cdf60e42ba6bd6041502d
ripemd-160
2f22e5075155a57d8494ec761d6eb4979b3ad707
Diameter
315576210
Circumference
991411902.98371
Area
7.8216502723122E+16
Volume
1.6455511659212E+25
Surface area
3.1286601089249E+17
Circumference
991411902.98371
Perimeter
631152420
Area
24897086079491025
Diagonal
223146078.07215
Surface area
149382516476946150
Volume
3.9284640325048E+24
Space diagonal
273297014.69001
Perimeter
473364315
Area
1.0780754512524E+16
Altitude
136648507.34501
Surface area
1.0780754512524E+16
Volume
4.6297392617193E+23
Height
74382026.02405