157430865 is an odd 9-digits composite number following 157430864
and preceding 157430866 . In scientific notation, it is written as 1.57430865 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 75790080 positive integers (up to 157430865) that are relatively prime to 157430865.
157430865 has 16 divisors, whose sum is 165614592
The reverse of 157430865 is 568034751
Previous prime number is 103
Is Prime? no Number parity odd Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred fifty-seven million four hundred thirty thousand eight hundred sixty-five
Scientific notation
1.57430865 × 10^8
Engineering notation
1.57430865 × 10^6
Prime Factorization
285 × 31 × 103 × 173
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
157430865 Product of the distinct prime numbers
The prime factorization of 157430865 is 285 × 31 × 103 × 173.
Since it has a total of 4 prime factors.
1 , 9 , 13 , 15 , 784 , 209 , 4657 , 5248 , 88204 , 74723 , 564212 , 729720 , 1523100 , 4418457 , 8256141 , 99532346 , 149277258 , 399018169 , 2249527857 , 6810134542
n×2
314861730
n×3
472292595
n×4
629723460
n×5
787154325
n÷2
78715432.5
n÷3
52476955
n÷3
39357716.25
n÷5
31486173
n2
24784477254648225
n3
3.9018416927721E+24
n4
6.1427031278618E+32
n5
9.6705106685748E+40
2 √n12547.145691351
3 √n539.96212011379
4 √n112.01404238466
5 √n43.593122343472
1 , 31 , 103 , 173 , 285 , 3193 , 5363 , 8835 , 17819 , 29355 , 49305 , 552389 , 910005 , 1528455 , 5078415 , 157430865
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-157430864 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157430865 can be divided by 16 positive divisors.
The sum of these divisors (counting 157430865) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011000100011010001010001
3
Ternary
101222020022112210
4
Quaternary
21120203101101
5
Quinary
310300241430
6
Senary
23342142333
8
Octal
1130432121
10
Decimal
157430865
12
Duodecimal
448819a9
16
Hexadecimal
9623451
20
Vigesimal
293ih35
36
Base36
2lqafl
md5
cc167a32e9fb61c7984b9731692b881a
sha1
642956b6afc086bc0a3b7015d187c68919e3b059
sha256
0c7592a19906dabc15a6fd6fcaa8a2afe7e36b585bdce185b46c7b555a88f317
sha512
88922fc8f756280b21796929f0b994aa2cf8970dee96f16908fda47052bc13cba3a571dba7e503c2cade6a1e07e8173d21f5ce78be96af922c3ff2f2093ec759
ripemd-160
944af380ea7f57bbb4271c2dfdabe131fdc17758
Diameter
314861730
Circumference
989167297.86457
Area
7.7862731666266E+16
Volume
1.6343996263311E+25
Surface area
3.1145092666506E+17
Circumference
989167297.86457
Perimeter
629723460
Area
24784477254648225
Diagonal
222640864.41913
Surface area
148706863527889350
Volume
3.9018416927721E+24
Space diagonal
272678256.85952
Perimeter
472292595
Area
1.0731993461021E+16
Altitude
136339128.42976
Surface area
1.0731993461021E+16
Volume
4.5983645334592E+23
Height
74213621.473043