128869398 is an even 9-digits composite number following 128869397
and preceding 128869399 . In scientific notation, it is written as 1.28869398 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 36819792 positive integers (up to 128869398) that are relatively prime to 128869398.
128869398 has 16 divisors, whose sum is 245465760
The reverse of 128869398 is 893968821
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred twenty-eight million eight hundred sixty-nine thousand three hundred ninety-eight
Scientific notation
1.28869398 × 10^8
Engineering notation
1.28869398 × 10^6
Prime Factorization
2 × 7 × 9 × 1022773
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128869398
Product of the distinct prime numbers
The prime factorization of 128869398 is 2 × 7 × 9 × 1022773.
Since it has a total of 4 prime factors.
3 , 2 , 61 , 44 , 254 , 196 , 7536 , 2198 , 84576 , 94617 , 999513 , 373448 , 1329294 , 7583871 , 4756164 , 39427044 , 183274648 , 751264886 , 6952050573 , 2751217771
n×2
257738796
n×3
386608194
n×4
515477592
n×5
644346990
n÷2
64434699
n÷3
42956466
n÷3
32217349.5
n÷5
25773879.6
n2
16607321740882404
n3
2.1401755551398E+24
n4
2.7580313540519E+32
n5
3.5542584026179E+40
2 √n
11352.065803192
3 √n
505.10685971832
4 √n
106.54607361697
5 √n
41.882245673074
1 , 2 , 7 , 9 , 14 , 18 , 63 , 126 , 1022773 , 2045546 , 7159411 , 9204957 , 14318822 , 18409914 , 64434699 , 128869398
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128869397
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128869398 can be divided by 16 positive divisors.
The sum of these divisors (counting 128869398) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011100110010000010110
3
Ternary
22222111020120200
4
Quaternary
13223212100112
5
Quinary
230442310043
6
Senary
20442041330
8
Octal
753462026
10
Decimal
128869398
12
Duodecimal
371a9246
16
Hexadecimal
7ae6416
20
Vigesimal
2058d9i
36
Base36
24q49i
md5
3ca61702a318ce272540ec82b2334481
sha1
b08e60bb1284c5180a33f26e0c8c4ee8bf1f7527
sha256
fc4856d8aa58e8de0e331339aa9298b961c84b60199252a837d8caf81fedead9
sha512
7266b075b3e7a011e3977f0f93f92eeeb78f864bb6e18b5f0dd66aad1a87b0b8a00d254e2964ca0dadc60b1f02fa0df5fb8c76f36f7577f8cbf5f25f95a6f483
ripemd-160
e69735ae06f0c27d4bc96eaebcb7bac692a32bff
Diameter
257738796
Circumference
809710308.05868
Area
5.2173439976958E+16
Volume
8.964746401893E+24
Surface area
2.0869375990783E+17
Circumference
809710308.05868
Perimeter
515477592
Area
16607321740882404
Diagonal
182248850.42646
Surface area
99643930445294424
Volume
2.1401755551398E+24
Space diagonal
223208344.87682
Perimeter
386608194
Area
7.1911812582129E+15
Altitude
111604172.43841
Surface area
7.1911812582129E+15
Volume
2.5222210799484E+23
Height
60749616.808819