128646916 is an even 9-digits composite number following 128646915
and preceding 128646917 . In scientific notation, it is written as 1.28646916 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 64034568 positive integers (up to 128646916) that are relatively prime to 128646916.
128646916 has 12 divisors, whose sum is 226143232
The reverse of 128646916 is 619646821
Previous prime number is 223
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million six hundred forty-six thousand nine hundred sixteen
Scientific notation
1.28646916 × 10^8
Engineering notation
1.28646916 × 10^6
Prime Factorization
2 × 2 × 223 × 144223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64323458
Product of the distinct prime numbers
The prime factorization of 128646916 is 2 × 2 × 223 × 144223.
Since it has a total of 4 prime factors.
8 , 3 , 24 , 58 , 5 , 374 , 3753 , 582 , 74947 , 93266 , 740424 , 951095 , 2166429 , 3060310 , 74876329 , 503230 , 412470599 , 474632655 , 3081277096 , 3936281316
n×2
257293832
n×3
385940748
n×4
514587664
n×5
643234580
n÷2
64323458
n÷3
42882305.333333
n÷3
32161729
n÷5
25729383.2
n2
16550028996311056
n3
2.129110190086E+24
n4
2.7390345977874E+32
n5
3.5236835382265E+40
2 √n
11342.262384551
3 √n
504.81601767702
4 √n
106.50005814342
5 √n
41.867774452872
1 , 2 , 4 , 223 , 446 , 892 , 144223 , 288446 , 576892 , 32161729 , 64323458 , 128646916
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128646915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128646916 can be divided by 12 positive divisors.
The sum of these divisors (counting 128646916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010101111111100000100
3
Ternary
22222001221101121
4
Quaternary
13222233330010
5
Quinary
230413200131
6
Senary
20433203324
8
Octal
752577404
10
Decimal
128646916
12
Duodecimal
37100544
16
Hexadecimal
7aaff04
20
Vigesimal
2040h5g
36
Base36
24lclg
md5
1722af5da39bb9fb3b74a42273e9e696
sha1
e54ed71388e72b364cf3405ed83f7281ba29dad4
sha256
ba063ac9b262a09c653ad240b8251c1e45e1e301c38377e17c164aebec29901e
sha512
b2cafab88264ec184328b00250ded60b50e3a4ec25890534b9b3374b92d4e6fc19fedb84a2b2e272d2a241ee26d9192d0df5a0300282f5be70e26cb754e8a760
ripemd-160
cfd244d9add6b3ede9ed5e7174e791960452888d
Diameter
257293832
Circumference
808312412.42517
Area
5.1993449511509E+16
Volume
8.9183959091431E+24
Surface area
2.0797379804604E+17
Circumference
808312412.42517
Perimeter
514587664
Area
16550028996311056
Diagonal
181934213.36467
Surface area
99300173977866336
Volume
2.129110190086E+24
Space diagonal
222822994.74905
Perimeter
385940748
Area
7.1663727720872E+15
Altitude
111411497.37452
Surface area
7.1663727720872E+15
Volume
2.509180422172E+23
Height
60644737.788224