157065987 is an odd 9-digits composite number following 157065986
and preceding 157065988 . In scientific notation, it is written as 1.57065987 × 10^8.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 94348800 positive integers (up to 157065987) that are relatively prime to 157065987.
157065987 has 32 divisors, whose sum is 230985216
The reverse of 157065987 is 789560751
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred fifty-seven million sixty-five thousand nine hundred eighty-seven
Scientific notation
1.57065987 × 10^8
Engineering notation
1.57065987 × 10^6
Prime Factorization
13 × 3 × 71 × 131 × 433
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
157065987
Product of the distinct prime numbers
The prime factorization of 157065987 is 13 × 3 × 71 × 131 × 433.
Since it has a total of 5 prime factors.
4 , 2 , 16 , 13 , 375 , 950 , 936 , 4639 , 59667 , 44544 , 930470 , 520950 , 3412141 , 6697446 , 77042943 , 33636162 , 90965488 , 32404063 , 9594956983 , 7828249631
n×2
314131974
n×3
471197961
n×4
628263948
n×5
785329935
n÷2
78532993.5
n÷3
52355329
n÷3
39266496.75
n÷5
31413197.4
n2
24669724272284169
n3
3.8747745918442E+24
n4
6.0859529567053E+32
n5
9.5589620798048E+40
2 √n
12532.596977482
3 √n
539.5446401271
4 √n
111.94908207521
5 √n
43.572896400932
1 , 3 , 13 , 39 , 71 , 131 , 213 , 393 , 433 , 923 , 1299 , 1703 , 2769 , 5109 , 5629 , 9301 , 16887 , 27903 , 30743 , 56723 , 92229 , 120913 , 170169 , 362739 , 399659 , 737399 , 1198977 , 2212197 , 4027333 , 12081999 , 52355329 , 157065987
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157065986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157065987 can be divided by 32 positive divisors.
The sum of these divisors (counting 157065987) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001010111001010001100000011
3
Ternary
101221112210000210
4
Quaternary
21113022030003
5
Quinary
310202102422
6
Senary
23330245203
8
Octal
1127121403
10
Decimal
157065987
12
Duodecimal
44726803
16
Hexadecimal
95ca303
20
Vigesimal
291d4j7
36
Base36
2ligw3
md5
a9145820d70e50d22540c0535bd9e075
sha1
da95a96a74b524ad7d2b870eb44711b8b5409462
sha256
89eae26d638043d1c22977a83e79dd2999563aceb23d827d2f17946dd7fe9286
sha512
06489942e2a0280c4d6b24be6a79b4ae78806be774c6b66fb6ab9bd7f282d03cd76068223458cb95dc08560135d86078ce403a8e6bb87ba7e4f3248147292748
ripemd-160
3aea93f169a2a50dacb3a82736895e956ba8a345
Diameter
314131974
Circumference
986874701.77606
Area
7.7502224539894E+16
Volume
1.6230617856072E+25
Surface area
3.1000889815957E+17
Circumference
986874701.77606
Perimeter
628263948
Area
24669724272284169
Diagonal
222124849.00292
Surface area
148018345633705014
Volume
3.8747745918442E+24
Space diagonal
272046269.62495
Perimeter
471197961
Area
1.0682303962078E+16
Altitude
136023134.81248
Surface area
1.0682303962078E+16
Volume
4.5664656491039E+23
Height
74041616.334305