128606961 is an odd 9-digits composite number following 128606960
and preceding 128606962 . In scientific notation, it is written as 1.28606961 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 69087744 positive integers (up to 128606961) that are relatively prime to 128606961.
128606961 has 32 divisors, whose sum is 208005120
The reverse of 128606961 is 169606821
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million six hundred six thousand nine hundred sixty-one
Scientific notation
1.28606961 × 10^8
Engineering notation
1.28606961 × 10^6
Prime Factorization
3 × 7 × 23 × 59 × 4513
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128606961
Product of the distinct prime numbers
The prime factorization of 128606961 is 3 × 7 × 23 × 59 × 4513.
Since it has a total of 5 prime factors.
10 , 6 , 68 , 55 , 276 , 553 , 1214 , 532 , 48422 , 15039 , 588630 , 631537 , 7392412 , 169392 , 41977999 , 46657344 , 79768311 , 109814225 , 1901777827 , 2449055300
n×2
257213922
n×3
385820883
n×4
514427844
n×5
643034805
n÷2
64303480.5
n÷3
42868987
n÷3
32151740.25
n÷5
25721392.2
n2
16539750417655521
n3
2.1271270369132E+24
n4
2.7356334387834E+32
n5
3.5182150297191E+40
2 √n
11340.500914863
3 √n
504.76375055423
4 √n
106.49178801608
5 √n
41.865173481412
1 , 3 , 7 , 21 , 23 , 59 , 69 , 161 , 177 , 413 , 483 , 1239 , 1357 , 4071 , 4513 , 9499 , 13539 , 28497 , 31591 , 94773 , 103799 , 266267 , 311397 , 726593 , 798801 , 1863869 , 2179779 , 5591607 , 6124141 , 18372423 , 42868987 , 128606961
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
-128606960
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 128606961 can be divided by 32 positive divisors.
The sum of these divisors (counting 128606961) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010100110001011110001
3
Ternary
22221222220120210
4
Quaternary
13222212023301
5
Quinary
230410410321
6
Senary
20432254333
8
Octal
752461361
10
Decimal
128606961
12
Duodecimal
370a13a9
16
Hexadecimal
7aa62f1
20
Vigesimal
203fh81
36
Base36
24khrl
md5
bec5fc5b2c860e2f1e27ab6472c8cd2f
sha1
98d4d688a9af31dbeefafc37afb765810069890a
sha256
1fd9369c32cb68692a9eb2571dbc49f6a90010842be1b439f69d6c3bdbd542e9
sha512
fbfb29aea901d62eec65d3f5fc83f8f0ae04b19aa2c1b30925fbc94e6013223bec41351822692243d0c50a73831ab05a32394cfe3c6a278c4a5768edd9040879
ripemd-160
667dd594f96e68a679d4b64b7806455840a25f0e
Diameter
257213922
Circumference
808061367.75622
Area
5.1961158404315E+16
Volume
8.9100888965581E+24
Surface area
2.0784463361726E+17
Circumference
808061367.75622
Perimeter
514427844
Area
16539750417655521
Diagonal
181877708.46179
Surface area
99238502505933126
Volume
2.1271270369132E+24
Space diagonal
222753790.65903
Perimeter
385820883
Area
7.161922016972E+15
Altitude
111376895.32951
Surface area
7.161922016972E+15
Volume
2.5068432537442E+23
Height
60625902.820596