128385637 is an odd 9-digits composite number following 128385636
and preceding 128385638 . In scientific notation, it is written as 1.28385637 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 125254240 positive integers (up to 128385637) that are relatively prime to 128385637.
128385637 has 4 divisors, whose sum is 131517036
The reverse of 128385637 is 736583821
Previous prime number is 41
Is Prime? no Number parity odd Number length 9 Sum of Digits 43 Digital Root 7
Name
one hundred twenty-eight million three hundred eighty-five thousand six hundred thirty-seven
Scientific notation
1.28385637 × 10^8
Engineering notation
1.28385637 × 10^6
Prime Factorization
41 × 3131357
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128385637 Product of the distinct prime numbers
The prime factorization of 128385637 is 41 × 3131357.
Since it has a total of 2 prime factors.
9 , 9 , 70 , 25 , 500 , 890 , 4625 , 9348 , 63170 , 25579 , 539208 , 956419 , 119266 , 4793440 , 78925736 , 2069804 , 698749159 , 368115935 , 1253391712 , 2690364066
n×2
256771274
n×3
385156911
n×4
513542548
n×5
641928185
n÷2
64192818.5
n÷3
42795212.333333
n÷3
32096409.25
n÷5
25677127.4
n2
16482871787895769
n3
2.1161639940783E+24
n4
2.7168506237621E+32
n5
3.4880459796554E+40
2 √n11330.738590224
3 √n504.47402938038
4 √n106.44594210314
5 √n41.850754117973
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
-128385636 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 128385637 can be divided by 4 positive divisors.
The sum of these divisors (counting 128385637) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001110000001001100101
3
Ternary
22221120122222121
4
Quaternary
13221300021211
5
Quinary
230331320022
6
Senary
20423425541
8
Octal
751601145
10
Decimal
128385637
12
Duodecimal
36bb52b1
16
Hexadecimal
7a70265
20
Vigesimal
202841h
36
Base36
24fqzp
md5
675ffab234458e9110a66838668b3d37
sha1
9cd3db4d995718f3b57fc1905bb229a2dd42ddc7
sha256
78f1af750b044b372c79422f6ad1da3c74d774f0e9611fe08540d90579030c7e
sha512
096beb3d9bd60a979a796ac89603e06f82531ff03ac1b1b55fb6d83b101338f315f4e967f83e4e2b524915d03b95a8c8e6e85486ea87670f095a46c2131683de
ripemd-160
b6177c5e2cd9b8cbe0d230866a524a345812e41c
Diameter
256771274
Circumference
806670748.05129
Area
5.1782468918916E+16
Volume
8.8641670101169E+24
Surface area
2.0712987567566E+17
Circumference
806670748.05129
Perimeter
513542548
Area
16482871787895769
Diagonal
181564709.05931
Surface area
98897230727374614
Volume
2.1161639940783E+24
Space diagonal
222370446.24609
Perimeter
385156911
Area
7.1372928478198E+15
Altitude
111185223.12305
Surface area
7.1372928478198E+15
Volume
2.4939231838593E+23
Height
60521569.686436