128894249 is an odd 9-digits composite number following 128894248
and preceding 128894250 . In scientific notation, it is written as 1.28894249 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 112746000 positive integers (up to 128894249) that are relatively prime to 128894249.
128894249 has 16 divisors, whose sum is 145981440
The reverse of 128894249 is 942498821
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-eight million eight hundred ninety-four thousand two hundred forty-nine
Scientific notation
1.28894249 × 10^8
Engineering notation
1.28894249 × 10^6
Prime Factorization
31 × 11 × 191 × 1979
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128894249
Product of the distinct prime numbers
The prime factorization of 128894249 is 31 × 11 × 191 × 1979.
Since it has a total of 4 prime factors.
10 , 7 , 56 , 19 , 85 , 93 , 5605 , 9032 , 41840 , 11988 , 741969 , 528505 , 9214514 , 5872808 , 38696654 , 93472951 , 90462148 , 418238099 , 3253375199 , 6420237524
n×2
257788498
n×3
386682747
n×4
515576996
n×5
644471245
n÷2
64447124.5
n÷3
42964749.666667
n÷3
32223562.25
n÷5
25778849.8
n2
16613727425274001
n3
2.1414139195714E+24
n4
2.760159389613E+32
n5
3.5576867164447E+40
2 √n
11353.160308918
3 √n
505.1393256722
4 √n
106.55120979566
5 √n
41.883860851587
1 , 11 , 31 , 191 , 341 , 1979 , 2101 , 5921 , 21769 , 61349 , 65131 , 377989 , 674839 , 4157879 , 11717659 , 128894249
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128894248
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128894249 can be divided by 16 positive divisors.
The sum of these divisors (counting 128894249) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011101100010100101001
3
Ternary
22222112111200002
4
Quaternary
13223230110221
5
Quinary
230444103444
6
Senary
20442352345
8
Octal
753542451
10
Decimal
128894249
12
Duodecimal
371bb6b5
16
Hexadecimal
7aec529
20
Vigesimal
205bfc9
36
Base36
24qnft
md5
add1a9a66cf679c99ece088741985926
sha1
86cc5ee131e2f17ea78c1c5adbae52cd1d0042cf
sha256
cdf3a33891adff2cf6267922cb7200c9da7c41a65b3cdbd3c102c3b39df8dc08
sha512
8180b32e388f763414f780cf9c1f6608d1df5102011cccf9284513093a31e9ecb3b84c206b1a0d01de7b50c10083f4b6470c16b4f56d9126b69510c9d8675fda
ripemd-160
135614f895dfee7dedd072848f6f77d76eb9eab4
Diameter
257788498
Circumference
809866451.49675
Area
5.2193564027984E+16
Volume
8.9699336506939E+24
Surface area
2.0877425611194E+17
Circumference
809866451.49675
Perimeter
515576996
Area
16613727425274001
Diagonal
182283995.04769
Surface area
99682364551644006
Volume
2.1414139195714E+24
Space diagonal
223251388.07143
Perimeter
386682747
Area
7.1939550009188E+15
Altitude
111625694.03572
Surface area
7.1939550009188E+15
Volume
2.523680506427E+23
Height
60761331.682565