128698729 is an odd 9-digits prime number following 128698728
and preceding 128698730 . In scientific notation, it is written as 1.28698729 × 10^8.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 128698728 positive integers (up to 128698729) that are relatively prime to 128698729.
128698729 has 2 divisors, whose sum is 128698730
The reverse of 128698729 is 927896821
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 52 Digital Root 7
Name
one hundred twenty-eight million six hundred ninety-eight thousand seven hundred twenty-nine
Scientific notation
1.28698729 × 10^8
Engineering notation
1.28698729 × 10^6
Prime Factorization
128698729
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
128698729 Product of the distinct prime numbers
The prime factorization of 128698729 is 128698729.
Since it has a total of 1 prime factors.
5 , 7 , 58 , 90 , 600 , 61 , 2854 , 8414 , 96476 , 93651 , 158879 , 258480 , 5969587 , 4746614 , 38616719 , 34138985 , 971521015 , 314089202 , 8534991104 , 789273637
n×2
257397458
n×3
386096187
n×4
514794916
n×5
643493645
n÷2
64349364.5
n÷3
42899576.333333
n÷3
32174682.25
n÷5
25739745.8
n2
16563362846215441
n3
2.1316837462737E+24
n4
2.7434498877539E+32
n5
3.5307851362912E+40
2 √n11344.546222745
3 √n504.88378072553
4 √n106.51077984291
5 √n41.871146388512
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
128698730 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64349365 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11344.546266819 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999844598 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128698729 can be divided by 2 positive divisors.
The sum of these divisors (counting 128698729) is 128698730, the average is 64349365.
Base
System
Value
2
Binary
111101010111100100101101001
3
Ternary
22222011120110121
4
Quaternary
13222330211221
5
Quinary
230421324404
6
Senary
20434243241
8
Octal
752744551
10
Decimal
128698729
12
Duodecimal
37126521
16
Hexadecimal
7abc969
20
Vigesimal
20476g9
36
Base36
24mgkp
md5
df24c442443342276279ec6c4feff5c7
sha1
baecb6a3dba939a0e59503fade022c1f62a0e420
sha256
872f1d8a8a3295faf39821ca7aa1f739f161642de89db32870ca17e0cb1530cd
sha512
cdfdaa8f8c223956956f83064ef24d5c93fbef5f9eaa0eaf919a122811b102f7c74b20a09d0888ccdfbecf348e3792cefd9005c693c322d8dabbe4aae264ade4
ripemd-160
6d62115059c297dbfac982ba9ea4e2ec9a083692
Diameter
257397458
Circumference
808637963.10549
Area
5.2035339036413E+16
Volume
8.9291759960938E+24
Surface area
2.0814135614565E+17
Circumference
808637963.10549
Perimeter
514794916
Area
16563362846215441
Diagonal
182007488.01198
Surface area
99380177077292646
Volume
2.1316837462737E+24
Space diagonal
222912737.49754
Perimeter
386096187
Area
7.1721464984609E+15
Altitude
111456368.74877
Surface area
7.1721464984609E+15
Volume
2.5122133872255E+23
Height
60669162.67066