128962371 is an odd 9-digits composite number following 128962370
and preceding 128962372 . In scientific notation, it is written as 1.28962371 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 85974912 positive integers (up to 128962371) that are relatively prime to 128962371.
128962371 has 4 divisors, whose sum is 171949832
The reverse of 128962371 is 173269821
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million nine hundred sixty-two thousand three hundred seventy-one
Scientific notation
1.28962371 × 10^8
Engineering notation
1.28962371 × 10^6
Prime Factorization
3 × 42987457
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128962371
Product of the distinct prime numbers
The prime factorization of 128962371 is 3 × 42987457.
Since it has a total of 2 prime factors.
10 , 8 , 67 , 96 , 380 , 948 , 8842 , 9767 , 81833 , 33650 , 241401 , 548397 , 2962626 , 3327757 , 9188390 , 4653152 , 637481316 , 774009885 , 1568911255 , 8665073882
n×2
257924742
n×3
386887113
n×4
515849484
n×5
644811855
n÷2
64481185.5
n÷3
42987457
n÷3
32240592.75
n÷5
25792474.2
n2
16631293133941641
n3
2.1448109953491E+24
n4
2.7659991130709E+32
n5
3.5670980380553E+40
2 √n
11356.160046424
3 √n
505.22830052555
4 √n
106.56528537204
5 √n
41.88828713034
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128962370
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128962371 can be divided by 4 positive divisors.
The sum of these divisors (counting 128962371) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011111100111101000011
3
Ternary
22222122222010010
4
Quaternary
13223330331003
5
Quinary
231003243441
6
Senary
20444040003
8
Octal
753747503
10
Decimal
128962371
12
Duodecimal
37233003
16
Hexadecimal
7afcf43
20
Vigesimal
20605ib
36
Base36
24s403
md5
0f3dcf3720493627395d775107552a14
sha1
b492f68e54868a63db687a910db894a0ac284024
sha256
e5f86304c7f914fe8e4636a8c309df6eb8f92d4f7bcf23a2909038777e14fd7c
sha512
41bcef709acddc9f33496a6fd421d8fca0721d30260230271bbff218b3b1e67c668aeb5f900078908a1d6316e4faa25ea3159a46792554094c0c0be82b48b900
ripemd-160
8ccb1bb46d3e89b76874727f2ede1fdf0693511c
Diameter
257924742
Circumference
810294474.64624
Area
5.2248748329289E+16
Volume
8.9841632884366E+24
Surface area
2.0899499331716E+17
Circumference
810294474.64624
Perimeter
515849484
Area
16631293133941641
Diagonal
182380334.10399
Surface area
99787758803649846
Volume
2.1448109953491E+24
Space diagonal
223369378.83655
Perimeter
386887113
Area
7.2015611758896E+15
Altitude
111684689.41827
Surface area
7.2015611758896E+15
Volume
2.5276839986247E+23
Height
60793444.70133