128492047 is an odd 9-digits composite number following 128492046
and preceding 128492048 . In scientific notation, it is written as 1.28492047 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 126385560 positive integers (up to 128492047) that are relatively prime to 128492047.
128492047 has 4 divisors, whose sum is 130598536
The reverse of 128492047 is 740294821
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million four hundred ninety-two thousand forty-seven
Scientific notation
1.28492047 × 10^8
Engineering notation
1.28492047 × 10^6
Prime Factorization
61 × 2106427
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128492047
Product of the distinct prime numbers
The prime factorization of 128492047 is 61 × 2106427.
Since it has a total of 2 prime factors.
6 , 5 , 64 , 82 , 948 , 172 , 4593 , 2661 , 84525 , 45396 , 850552 , 458184 , 5666140 , 1874955 , 28187896 , 86919900 , 467586670 , 268271772 , 4339047033 , 7229754412
n×2
256984094
n×3
385476141
n×4
513968188
n×5
642460235
n÷2
64246023.5
n÷3
42830682.333333
n÷3
32123011.75
n÷5
25698409.4
n2
16510206142250209
n3
2.1214301836097E+24
n4
2.725869068596E+32
n5
3.5025249647788E+40
2 √n
11335.433251535
3 √n
504.61336546889
4 √n
106.46799167607
5 √n
41.857689259874
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
-128492046
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 128492047 can be divided by 4 positive divisors.
The sum of these divisors (counting 128492047) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010001010001000001111
3
Ternary
22221210001221201
4
Quaternary
13222022020033
5
Quinary
230343221142
6
Senary
20430010331
8
Octal
752121017
10
Decimal
128492047
12
Duodecimal
370469a7
16
Hexadecimal
7a8a20f
20
Vigesimal
2031a27
36
Base36
24i13j
md5
b35f430d55117e1b30e33968b11df872
sha1
7ff7c87fba05417446817b68461b2078a0c2003d
sha256
78f9dd6501466c1477e001bb919bc80e7448c97dacf4818bd47d3a5e4852ced5
sha512
27543c10935150f4a77a4643d9c4b59809c53365014622e87aed9b16978ede0f53e43d6c3f289f0431a7116581a2657f45a653b4e92310e2ceea6fd9f3a8a36e
ripemd-160
d79ac58af331e7b68e13254d6d89756ab2f33a0d
Diameter
256984094
Circumference
807339341.79983
Area
5.1868342325746E+16
Volume
8.8862259732425E+24
Surface area
2.0747336930299E+17
Circumference
807339341.79983
Perimeter
513968188
Area
16510206142250209
Diagonal
181715195.52448
Surface area
99061236853501254
Volume
2.1214301836097E+24
Space diagonal
222554753.77253
Perimeter
385476141
Area
7.1491289704533E+15
Altitude
111277376.88626
Surface area
7.1491289704533E+15
Volume
2.5001294477404E+23
Height
60571731.841494