128891489 is an odd 9-digits prime number following 128891488
and preceding 128891490 . In scientific notation, it is written as 1.28891489 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 128891488 positive integers (up to 128891489) that are relatively prime to 128891489.
128891489 has 2 divisors, whose sum is 128891490
The reverse of 128891489 is 984198821
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 50 Digital Root 5
Name
one hundred twenty-eight million eight hundred ninety-one thousand four hundred eighty-nine
Scientific notation
1.28891489 × 10^8
Engineering notation
1.28891489 × 10^6
Prime Factorization
128891489
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
128891489 Product of the distinct prime numbers
The prime factorization of 128891489 is 128891489.
Since it has a total of 1 prime factors.
1 , 7 , 98 , 64 , 483 , 726 , 5909 , 184 , 87806 , 83901 , 488795 , 870005 , 3376841 , 5928967 , 6487467 , 23360120 , 763590324 , 370695998 , 5735105583 , 7645696321
n×2
257782978
n×3
386674467
n×4
515565956
n×5
644457445
n÷2
64445744.5
n÷3
42963829.666667
n÷3
32222872.25
n÷5
25778297.8
n2
16613015936637121
n3
2.1412763608539E+24
n4
2.7599229851096E+32
n5
3.557305830761E+40
2 √n11353.03875621
3 √n505.13572014673
4 √n106.55063939841
5 √n41.883681479044
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
128891490 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64445745 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11353.038800251 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999844831 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128891489 can be divided by 2 positive divisors.
The sum of these divisors (counting 128891489) is 128891490, the average is 64445745.
Base
System
Value
2
Binary
111101011101011101001100001
3
Ternary
22222112100212212
4
Quaternary
13223223221201
5
Quinary
230444011424
6
Senary
20442331505
8
Octal
753535141
10
Decimal
128891489
12
Duodecimal
371b9b95
16
Hexadecimal
7aeba61
20
Vigesimal
205b8e9
36
Base36
24qlb5
md5
838700681487782f390bbc29818a8021
sha1
5a43afd1126bcfc857fc0ea1e4c71f7fc1f77dbb
sha256
e7a6b93fb570d3fd417b6da59345bfb55afee0f1352a614c38ce618a291f121f
sha512
9cdcc69d948cbc8d6e9d3255e1d3b44e07499858e8276dc50b62fdf26e18b82034f2685d3b83e080284251c7e663e3685bb918795b4dbf5548f246b291e8ea04
ripemd-160
b209dcd8f908098adc4f9cb0bc4d58748d3d7b53
Diameter
257782978
Circumference
809849109.9053
Area
5.2191328820509E+16
Volume
8.9693574460854E+24
Surface area
2.0876531528204E+17
Circumference
809849109.9053
Perimeter
515565956
Area
16613015936637121
Diagonal
182280091.81826
Surface area
99678095619822726
Volume
2.1412763608539E+24
Space diagonal
223246607.61121
Perimeter
386674467
Area
7.1936469173017E+15
Altitude
111623303.8056
Surface area
7.1936469173017E+15
Volume
2.5235183919237E+23
Height
60760030.606088