157065985 is an odd 9-digits composite number following 157065984
and preceding 157065986 . In scientific notation, it is written as 1.57065985 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 124104960 positive integers (up to 157065985) that are relatively prime to 157065985.
157065985 has 16 divisors, whose sum is 190817280
The reverse of 157065985 is 589560751
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred fifty-seven million sixty-five thousand nine hundred eighty-five
Scientific notation
1.57065985 × 10^8
Engineering notation
1.57065985 × 10^6
Prime Factorization
5 × 163 × 191 × 1009
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157065985
Product of the distinct prime numbers
The prime factorization of 157065985 is 5 × 163 × 191 × 1009.
Since it has a total of 4 prime factors.
6 , 9 , 23 , 3 , 503 , 886 , 7524 , 140 , 37638 , 70501 , 861234 , 948271 , 239812 , 860332 , 32540718 , 32175601 , 597339516 , 947428729 , 3392938559 , 7881669932
n×2
314131970
n×3
471197955
n×4
628263940
n×5
785329925
n÷2
78532992.5
n÷3
52355328.333333
n÷3
39266496.25
n÷5
31413197
n2
24669723644020225
n3
3.8747744438258E+24
n4
6.0859526467233E+32
n5
9.5589614712095E+40
2 √n
12532.59689769
3 √n
539.544637837
4 √n
111.94908171884
5 √n
43.572896289965
1 , 5 , 163 , 191 , 815 , 955 , 1009 , 5045 , 31133 , 155665 , 164467 , 192719 , 822335 , 963595 , 31413197 , 157065985
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
-157065984
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 157065985 can be divided by 16 positive divisors.
The sum of these divisors (counting 157065985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010111001010001100000001
3
Ternary
101221112210000201
4
Quaternary
21113022030001
5
Quinary
310202102420
6
Senary
23330245201
8
Octal
1127121401
10
Decimal
157065985
12
Duodecimal
44726801
16
Hexadecimal
95ca301
20
Vigesimal
291d4j5
36
Base36
2ligw1
md5
78f9cd92e887f29563be4581e6d20694
sha1
1b55bd886cd1f30f008bd83c5d575d30bbe06ad5
sha256
4c9bf08d2683adab1518a5750180c2a9f9f5418118f72fe4d7bd7cda3a252884
sha512
6065518a6df386840c190e455ca1184bc097cf0b7c119f40fdb0de714a5659ba524eb85e2146611146f579cc54ef3585e8f722e3be72b94e17f7457c199a7762
ripemd-160
af7b7d2699a8fe5d0b4b307eed2556d6adb90d56
Diameter
314131970
Circumference
986874689.20969
Area
7.7502222566144E+16
Volume
1.6230617236054E+25
Surface area
3.1000889026458E+17
Circumference
986874689.20969
Perimeter
628263940
Area
24669723644020225
Diagonal
222124846.17449
Surface area
148018341864121350
Volume
3.8747744438258E+24
Space diagonal
272046266.16085
Perimeter
471197955
Area
1.0682303690032E+16
Altitude
136023133.08043
Surface area
1.0682303690032E+16
Volume
4.5664654746626E+23
Height
74041615.391496