128214724 is an even 9-digits composite number following 128214723
and preceding 128214725 . In scientific notation, it is written as 1.28214724 × 10^8.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 58200000 positive integers (up to 128214724) that are relatively prime to 128214724.
128214724 has 24 divisors, whose sum is 245107296
The reverse of 128214724 is 427412821
Previous prime number is 971
Is Prime? no Number parity even Number length 9 Sum of Digits 31 Digital Root 4
Name
one hundred twenty-eight million two hundred fourteen thousand seven hundred twenty-four
Scientific notation
1.28214724 × 10^8
Engineering notation
1.28214724 × 10^6
Prime Factorization
2 × 2 × 11 × 971 × 3001
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64107362 Product of the distinct prime numbers
The prime factorization of 128214724 is 2 × 2 × 11 × 971 × 3001.
Since it has a total of 5 prime factors.
7 , 9 , 20 , 43 , 251 , 241 , 6817 , 7406 , 89478 , 29972 , 244340 , 820120 , 7001663 , 4986051 , 75324781 , 81497822 , 29471169 , 427499137 , 253732507 , 4214787900
n×2
256429448
n×3
384644172
n×4
512858896
n×5
641073620
n÷2
64107362
n÷3
42738241.333333
n÷3
32053681
n÷5
25642944.8
n2
16439015450396176
n3
2.1077238288043E+24
n4
2.7024122897836E+32
n5
3.4648904586882E+40
2 √n11323.194072345
3 √n504.25007011546
4 √n106.41049794238
5 √n41.839605441176
1 , 2 , 4 , 11 , 22 , 44 , 971 , 1942 , 3001 , 3884 , 6002 , 10681 , 12004 , 21362 , 33011 , 42724 , 66022 , 132044 , 2913971 , 5827942 , 11655884 , 32053681 , 64107362 , 128214724
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
-128214723 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 128214724 can be divided by 24 positive divisors.
The sum of these divisors (counting 128214724) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101001000110011011000100
3
Ternary
22221020222112111
4
Quaternary
13221012123010
5
Quinary
230310332344
6
Senary
20420030404
8
Octal
751063304
10
Decimal
128214724
12
Duodecimal
36b32404
16
Hexadecimal
7a466c4
20
Vigesimal
2016gg4
36
Base36
24c344
md5
20e863f5d62d5198397ec99b545243dd
sha1
ce35527c2ebe3111b6f9284525b9cd50a346f4c2
sha256
5aa3b8019565216428835f15461f6e492c1804d3b510d7d8251a51512e05269f
sha512
aa4ece175b0851d2d44d3bce890e123431daa08516a8fbe01573d358f0a5c4e1bf40bccadda8fb57bc4355706e5c317d2e314646e22950a6bc98f0fe4aa1c80c
ripemd-160
80cc3870a9b4bce46c84a6c9021e145e23e5c439
Diameter
256429448
Circumference
805596870.00089
Area
5.1644690171214E+16
Volume
8.8288129284902E+24
Surface area
2.0657876068485E+17
Circumference
805596870.00089
Perimeter
512858896
Area
16439015450396176
Diagonal
181323001.57672
Surface area
98634092702377056
Volume
2.1077238288043E+24
Space diagonal
222074416.24642
Perimeter
384644172
Area
7.118302496624E+15
Altitude
111037208.12321
Surface area
7.118302496624E+15
Volume
2.4839763536933E+23
Height
60441000.525574