128889757 is an odd 9-digits prime number following 128889756
and preceding 128889758 . In scientific notation, it is written as 1.28889757 × 10^8.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 128889756 positive integers (up to 128889757) that are relatively prime to 128889757.
128889757 has 2 divisors, whose sum is 128889758
The reverse of 128889757 is 757988821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred twenty-eight million eight hundred eighty-nine thousand seven hundred fifty-seven
Scientific notation
1.28889757 × 10^8
Engineering notation
1.28889757 × 10^6
Prime Factorization
128889757
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128889757
Product of the distinct prime numbers
The prime factorization of 128889757 is 128889757.
Since it has a total of 1 prime factors.
7 , 6 , 98 , 49 , 676 , 772 , 3009 , 6775 , 11804 , 49055 , 835521 , 842445 , 8035449 , 2169216 , 89306518 , 71543483 , 475854705 , 735970974 , 7033050068 , 4524626760
n×2
257779514
n×3
386669271
n×4
515559028
n×5
644448785
n÷2
64444878.5
n÷3
42963252.333333
n÷3
32222439.25
n÷5
25777951.4
n2
16612569459519049
n3
2.141190040783E+24
n4
2.7597746404734E+32
n5
3.5570668278539E+40
2 √n
11352.962476816
3 √n
505.13345752259
4 √n
106.55028144879
5 √n
41.883568914705
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128889758
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64444879
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11352.962520858
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 128889757 can be divided by 2 positive divisors.
The sum of these divisors (counting 128889757) is 128889758, the average is 64444879.
Base
System
Value
2
Binary
111101011101011001110011101
3
Ternary
22222112021111201
4
Quaternary
13223223032131
5
Quinary
230443433012
6
Senary
20442315501
8
Octal
753531635
10
Decimal
128889757
12
Duodecimal
371b8b91
16
Hexadecimal
7aeb39d
20
Vigesimal
205b47h
36
Base36
24qjz1
md5
bc51d80227e290d6378126994766a3d9
sha1
7487909616f54fed4bb8564d5ea877cbab6a8dcc
sha256
63f1aff51634ef6006ba270c07cb9f85e392646dbb82692ca8073eacf05944ff
sha512
044a82a97ce9244e7a04ac95cac9be122817a4f2b854c027931170c6ba7d8783a16b6c718531d66fdb226ec84ace7d06ce3c259e651543277e092c13515e6858
ripemd-160
c0982b2f6804666160468d70234baa80969a623c
Diameter
257779514
Circumference
809838227.42835
Area
5.2189926171275E+16
Volume
8.9689958694181E+24
Surface area
2.087597046851E+17
Circumference
809838227.42835
Perimeter
515559028
Area
16612569459519049
Diagonal
182277642.40037
Surface area
99675416757114294
Volume
2.141190040783E+24
Space diagonal
223243607.69921
Perimeter
386669271
Area
7.1934535870385E+15
Altitude
111621803.8496
Surface area
7.1934535870385E+15
Volume
2.5234166627446E+23
Height
60759214.133458