128850761 is an odd 9-digits composite number following 128850760
and preceding 128850762 . In scientific notation, it is written as 1.28850761 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors.
There are 104696064 positive integers (up to 128850761) that are relatively prime to 128850761.
128850761 has 32 divisors, whose sum is 156791040
The reverse of 128850761 is 167058821
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million eight hundred fifty thousand seven hundred sixty-one
Scientific notation
1.28850761 × 10^8
Engineering notation
1.28850761 × 10^6
Prime Factorization
23 × 13 × 19 × 37 × 613
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128850761
Product of the distinct prime numbers
The prime factorization of 128850761 is 23 × 13 × 19 × 37 × 613.
Since it has a total of 5 prime factors.
7 , 6 , 14 , 7 , 78 , 938 , 7533 , 3811 , 13353 , 28759 , 23729 , 465387 , 8369664 , 7631256 , 18780467 , 8284962 , 55657403 , 495617606 , 7054655680 , 9683758585
n×2
257701522
n×3
386552283
n×4
515403044
n×5
644253805
n÷2
64425380.5
n÷3
42950253.666667
n÷3
32212690.25
n÷5
25770152.2
n2
16602518610279121
n3
2.1392471574511E+24
n4
2.7564362420466E+32
n5
3.5516890743569E+40
2 √n
11351.2449097
3 √n
505.08250914705
4 √n
106.54222125383
5 √n
41.88103420692
1 , 13 , 19 , 23 , 37 , 247 , 299 , 437 , 481 , 613 , 703 , 851 , 5681 , 7969 , 9139 , 11063 , 11647 , 14099 , 16169 , 22681 , 151411 , 183287 , 210197 , 267881 , 294853 , 430939 , 521663 , 3482453 , 5602207 , 6781619 , 9911597 , 128850761
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
-128850760
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 128850761 can be divided by 32 positive divisors.
The sum of these divisors (counting 128850761) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101011100001101101001001
3
Ternary
22222110022000102
4
Quaternary
13223201231021
5
Quinary
230441211021
6
Senary
20441415145
8
Octal
753415511
10
Decimal
128850761
12
Duodecimal
3719a4b5
16
Hexadecimal
7ae1b49
20
Vigesimal
20566i1
36
Base36
24ppvt
md5
57de41e3458a8e342dec8ed56559a754
sha1
1f91490e940d78ad0f8136902b55ebe3357f586e
sha256
7257cd3e9a53b0e5e89fe7ebeb312b6194112cb1f5a2477df2cce86e54544dac
sha512
0c603c671096b06a0f16343279d83ea19424a0379d308c756896b22581e53d661ea18c1fab77d94878f1c8b45255a1d97d252dd99ed5dfb2d04b96eefb8866da
ripemd-160
801958c46ee1e344287a1efbd5deac7df05dc859
Diameter
257701522
Circumference
809593208.33411
Area
5.2158350497141E+16
Volume
8.9608575387484E+24
Surface area
2.0863340198856E+17
Circumference
809593208.33411
Perimeter
515403044
Area
16602518610279121
Diagonal
182222493.72829
Surface area
99615111661674726
Volume
2.1392471574511E+24
Space diagonal
223176064.64591
Perimeter
386552283
Area
7.1891014416528E+15
Altitude
111588032.32296
Surface area
7.1891014416528E+15
Volume
2.5211269527796E+23
Height
60740831.242765