128889751 is an odd 9-digits prime number following 128889750
and preceding 128889752 . In scientific notation, it is written as 1.28889751 × 10^8.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 128889750 positive integers (up to 128889751) that are relatively prime to 128889751.
128889751 has 2 divisors, whose sum is 128889752
The reverse of 128889751 is 157988821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-eight million eight hundred eighty-nine thousand seven hundred fifty-one
Scientific notation
1.28889751 × 10^8
Engineering notation
1.28889751 × 10^6
Prime Factorization
128889751
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128889751
Product of the distinct prime numbers
The prime factorization of 128889751 is 128889751.
Since it has a total of 1 prime factors.
8 , 6 , 49 , 43 , 41 , 673 , 8764 , 9397 , 76827 , 95112 , 793802 , 847731 , 87603 , 1371355 , 32804313 , 26262250 , 231137529 , 963664204 , 2586961077 , 1259275266
n×2
257779502
n×3
386669253
n×4
515559004
n×5
644448755
n÷2
64444875.5
n÷3
42963250.333333
n÷3
32222437.75
n÷5
25777950.2
n2
16612567912842001
n3
2.1411897417568E+24
n4
2.7597741265879E+32
n5
3.5570659999215E+40
2 √n
11352.962212568
3 √n
505.13344968436
4 √n
106.55028020877
5 √n
41.883568524757
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128889752
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64444876
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11352.96225661
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999844829
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128889751 can be divided by 2 positive divisors.
The sum of these divisors (counting 128889751) is 128889752, the average is 64444876.
Base
System
Value
2
Binary
111101011101011001110010111
3
Ternary
22222112021111111
4
Quaternary
13223223032113
5
Quinary
230443433001
6
Senary
20442315451
8
Octal
753531627
10
Decimal
128889751
12
Duodecimal
371b8b87
16
Hexadecimal
7aeb397
20
Vigesimal
205b47b
36
Base36
24qjyv
md5
000b7eab5f01d99e4c4fa1cabc30ae4a
sha1
57c97bb76f0a0ce63832b2ab67d58b136d74ae3f
sha256
30df4bcc945ec9c34da788c903357e38259b65fa08b9e40e139c11059e017f39
sha512
36b20de528f497f8f0b2f83cff5960a1c1d180566e273c630039169cfaf66f5c8ac8c384e7e876c17cfc0c8df3d2893e6cfb408d1a76061030584362b6a5a73c
ripemd-160
598225785e93a2373f97969d11e01b2ae55d4de1
Diameter
257779502
Circumference
809838189.72924
Area
5.2189921312246E+16
Volume
8.96899461686E+24
Surface area
2.0875968524898E+17
Circumference
809838189.72924
Perimeter
515559004
Area
16612567912842001
Diagonal
182277633.91509
Surface area
99675407477052006
Volume
2.1411897417568E+24
Space diagonal
223243597.3069
Perimeter
386669253
Area
7.1934529173077E+15
Altitude
111621798.65345
Surface area
7.1934529173077E+15
Volume
2.5234163103388E+23
Height
60759211.30503