128996860 is an even 9-digits composite number following 128996859
and preceding 128996861 . In scientific notation, it is written as 1.28996860 × 10^8.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 51442944 positive integers (up to 128996860) that are relatively prime to 128996860.
128996860 has 24 divisors, whose sum is 271711440
The reverse of 128996860 is 068699821
Previous prime number is 337
Is Prime? no Number parity even Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred twenty-eight million nine hundred ninety-six thousand eight hundred sixty
Scientific notation
1.28996860 × 10^8
Engineering notation
1.28996860 × 10^6
Prime Factorization
2 × 2 × 5 × 337 × 19139
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64498430 Product of the distinct prime numbers
The prime factorization of 128996860 is 2 × 2 × 5 × 337 × 19139.
Since it has a total of 5 prime factors.
6 , 7 , 78 , 67 , 88 , 139 , 3219 , 9005 , 46852 , 97840 , 988447 , 633624 , 1871094 , 7487150 , 46128431 , 10132676 , 731578108 , 791661692 , 2608347148 , 3418883986
n×2
257993720
n×3
386990580
n×4
515987440
n×5
644984300
n÷2
64498430
n÷3
42998953.333333
n÷3
32249215
n÷5
25799372
n2
16640189889859600
n3
2.1465322455956E+24
n4
2.7689591957059E+32
n5
3.5718704171418E+40
2 √n11357.678459967
3 √n505.27333502055
4 √n106.57240946871
5 √n41.890527366162
1 , 2 , 4 , 5 , 10 , 20 , 337 , 674 , 1348 , 1685 , 3370 , 6740 , 19139 , 38278 , 76556 , 95695 , 191390 , 382780 , 6449843 , 12899686 , 25799372 , 32249215 , 64498430 , 128996860
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128996859 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128996860 can be divided by 24 positive divisors.
The sum of these divisors (counting 128996860) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101100000101010111111100
3
Ternary
22222201201102111
4
Quaternary
13230011113330
5
Quinary
231010344420
6
Senary
20444503404
8
Octal
754052774
10
Decimal
128996860
12
Duodecimal
3724ab64
16
Hexadecimal
7b055fc
20
Vigesimal
2064c30
36
Base36
24sum4
md5
127f63f66eeb51d1e2334e87ffa860ad
sha1
ee050528a8e9e5b086439cac932d7d7cf8be822b
sha256
7d7c27af35f59426d8c699a3ef67577df61141ab9f5fc0d9364a38a4f99450cc
sha512
a3b7a20603bb83de4d2efed2e80678ac2ac51cb246f1e94a6211d98d1e37f5791398592ba4f88babf93d85749ee9c65eede92f96ece71b8f9d8440c90e231d94
ripemd-160
bd42b19bc1ef50817a1f2a6ab5b72ef26eab2b84
Diameter
257993720
Circumference
810511175.4243
Area
5.2276698312322E+16
Volume
8.9913732446091E+24
Surface area
2.0910679324929E+17
Circumference
810511175.4243
Perimeter
515987440
Area
16640189889859600
Diagonal
182429108.91554
Surface area
99841139339157600
Volume
2.1465322455956E+24
Space diagonal
223429115.53685
Perimeter
386990580
Area
7.2054135842077E+15
Altitude
111714557.76842
Surface area
7.2054135842077E+15
Volume
2.5297125114938E+23
Height
60809702.971848