128989837 is an odd 9-digits composite number following 128989836
and preceding 128989838 . In scientific notation, it is written as 1.28989837 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 127806336 positive integers (up to 128989837) that are relatively prime to 128989837.
128989837 has 4 divisors, whose sum is 130173340
The reverse of 128989837 is 738989821
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred twenty-eight million nine hundred eighty-nine thousand eight hundred thirty-seven
Scientific notation
1.28989837 × 10^8
Engineering notation
1.28989837 × 10^6
Prime Factorization
109 × 1183393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128989837
Product of the distinct prime numbers
The prime factorization of 128989837 is 109 × 1183393.
Since it has a total of 2 prime factors.
5 , 3 , 63 , 5 , 377 , 432 , 2601 , 2608 , 548 , 598 , 234137 , 800253 , 8393830 , 4251059 , 41529564 , 39600225 , 845502386 , 360354476 , 6292607307 , 2568237217
n×2
257979674
n×3
386969511
n×4
515959348
n×5
644949185
n÷2
64494918.5
n÷3
42996612.333333
n÷3
32247459.25
n÷5
25797967.4
n2
16638378049286569
n3
2.1461816725219E+24
n4
2.7683562411098E+32
n5
3.5708982029869E+40
2 √n
11357.36928166
3 √n
505.26416529081
4 √n
106.57095890373
5 √n
41.890071225476
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
-128989836
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 128989837 can be divided by 4 positive divisors.
The sum of these divisors (counting 128989837) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100000011101010001101
3
Ternary
22222201100210101
4
Quaternary
13230003222031
5
Quinary
231010133322
6
Senary
20444411101
8
Octal
754035215
10
Decimal
128989837
12
Duodecimal
37246a91
16
Hexadecimal
7b03a8d
20
Vigesimal
2063ebh
36
Base36
24sp71
md5
8027d9a7e1fa30730f23f6ac3db09329
sha1
35ee03e4230257bcbf2c5b619cdfbafd8345594b
sha256
822a06c5a094ef76b05113af3b4c1e42bd0009cf9118f42785450aa6c00a0341
sha512
86dd1a229d69eacd7511b6674a47281f69160fe274631eb811811e2964e2c52002e9f69026c81765c78bbce5dbe9e6ef75c81d377001c1c29a2398b048773db1
ripemd-160
2afdcd19688f87179d219ef2c50a465ad9e235de
Diameter
257979674
Circumference
810467048.61389
Area
5.2271006247288E+16
Volume
8.9899047675516E+24
Surface area
2.0908402498915E+17
Circumference
810467048.61389
Perimeter
515959348
Area
16638378049286569
Diagonal
182419176.89369
Surface area
99830268295719414
Volume
2.1461816725219E+24
Space diagonal
223416951.34403
Perimeter
386969511
Area
7.2046290342258E+15
Altitude
111708475.67201
Surface area
7.2046290342258E+15
Volume
2.5292993571641E+23
Height
60806392.297898