128839690 is an even 9-digits composite number following 128839689
and preceding 128839691 . In scientific notation, it is written as 1.28839690 × 10^8.
The sum of its digits is 46. It has a total of 5 prime factors and 32 positive divisors.
There are 43232640 positive integers (up to 128839690) that are relatively prime to 128839690.
128839690 has 32 divisors, whose sum is 270687744
The reverse of 128839690 is 096938821
Previous prime number is 47
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-eight million eight hundred thirty-nine thousand six hundred ninety
Scientific notation
1.28839690 × 10^8
Engineering notation
1.28839690 × 10^6
Prime Factorization
2 × 5 × 7 × 47 × 39161
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128839690
Product of the distinct prime numbers
The prime factorization of 128839690 is 2 × 5 × 7 × 47 × 39161.
Since it has a total of 5 prime factors.
1 , 9 , 89 , 28 , 734 , 990 , 5149 , 872 , 3888 , 46345 , 297892 , 705775 , 3249506 , 5522417 , 36497848 , 78434903 , 738503642 , 456558837 , 9585376816 , 4546955152
n×2
257679380
n×3
386519070
n×4
515358760
n×5
644198450
n÷2
64419845
n÷3
42946563.333333
n÷3
32209922.5
n÷5
25767938
n2
16599665719296100
n3
2.1386957853777E+24
n4
2.7554890199237E+32
n5
3.5501635112538E+40
2 √n
11350.757243462
3 √n
505.06804298332
4 √n
106.5399326237
5 √n
41.880314489221
1 , 2 , 5 , 7 , 10 , 14 , 35 , 47 , 70 , 94 , 235 , 329 , 470 , 658 , 1645 , 3290 , 39161 , 78322 , 195805 , 274127 , 391610 , 548254 , 1370635 , 1840567 , 2741270 , 3681134 , 9202835 , 12883969 , 18405670 , 25767938 , 64419845 , 128839690
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
-128839689
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 128839690 can be divided by 32 positive divisors.
The sum of these divisors (counting 128839690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101011011111000000001010
3
Ternary
22222102201211101
4
Quaternary
13223133000022
5
Quinary
230440332230
6
Senary
20441252014
8
Octal
753370012
10
Decimal
128839690
12
Duodecimal
3719400a
16
Hexadecimal
7adf00a
20
Vigesimal
2054j4a
36
Base36
24phca
md5
0652c8b0b1c4e2a2813a84849d17e740
sha1
5e7dc2189acf5530613606132c5e3cf73794d434
sha256
a9634088af695ffe44aab00b2e2125a3dcbec245fb1d28951589fde96e60dd7b
sha512
661a449ff509774c3a7e25b64728429b0a83643b51c90cc7d1cb7eb98735dcf6c29113ce862ca75a7009d47f5f499536b92a5cf7d60af3048d8abf0b5315581b
ripemd-160
bc6bf25e417878d2a3dc058a7801c676c7baca39
Diameter
257679380
Circumference
809523647.18957
Area
5.2149387875787E+16
Volume
8.9585479568082E+24
Surface area
2.0859755150315E+17
Circumference
809523647.18957
Perimeter
515358760
Area
16599665719296100
Diagonal
182206836.96995
Surface area
99597994315776600
Volume
2.1386957853777E+24
Space diagonal
223156889.11142
Perimeter
386519070
Area
7.1878661036201E+15
Altitude
111578444.55571
Surface area
7.1878661036201E+15
Volume
2.5204771545595E+23
Height
60735612.323315