128894241 is an odd 9-digits composite number following 128894240
and preceding 128894242 . In scientific notation, it is written as 1.28894241 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 70447104 positive integers (up to 128894241) that are relatively prime to 128894241.
128894241 has 32 divisors, whose sum is 205090560
The reverse of 128894241 is 142498821
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million eight hundred ninety-four thousand two hundred forty-one
Scientific notation
1.28894241 × 10^8
Engineering notation
1.28894241 × 10^6
Prime Factorization
3 × 7 × 29 × 113 × 1873
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128894241
Product of the distinct prime numbers
The prime factorization of 128894241 is 3 × 7 × 29 × 113 × 1873.
Since it has a total of 5 prime factors.
4 , 9 , 64 , 75 , 262 , 312 , 3555 , 2391 , 88580 , 19426 , 269351 , 984420 , 2487579 , 1566168 , 92790557 , 44652383 , 681671746 , 614502486 , 8019091190 , 7978932264
n×2
257788482
n×3
386682723
n×4
515576964
n×5
644471205
n÷2
64447120.5
n÷3
42964747
n÷3
32223560.25
n÷5
25778848.2
n2
16613725362966081
n3
2.141413520842E+24
n4
2.7601587043606E+32
n5
3.5576856123811E+40
2 √n
11353.159956594
3 √n
505.13931522147
4 √n
106.55120814235
5 √n
41.883860331671
1 , 3 , 7 , 21 , 29 , 87 , 113 , 203 , 339 , 609 , 791 , 1873 , 2373 , 3277 , 5619 , 9831 , 13111 , 22939 , 39333 , 54317 , 68817 , 162951 , 211649 , 380219 , 634947 , 1140657 , 1481543 , 4444629 , 6137821 , 18413463 , 42964747 , 128894241
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128894240
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128894241 can be divided by 32 positive divisors.
The sum of these divisors (counting 128894241) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101011101100010100100001
3
Ternary
22222112111122210
4
Quaternary
13223230110201
5
Quinary
230444103431
6
Senary
20442352333
8
Octal
753542441
10
Decimal
128894241
12
Duodecimal
371bb6a9
16
Hexadecimal
7aec521
20
Vigesimal
205bfc1
36
Base36
24qnfl
md5
1ead4a9ec454e523be7d55a52b4bbe3c
sha1
998848ef479c021022c16d1aaabe35ae184eb6ac
sha256
dc435c97c844511bacac6be257306b195ad5200b22cb2725c3ee271041d2616a
sha512
107557160620dd412ffffb3ce7531b18715f02f1e4e79286f56ee32639a132ddbf530c754efd5e274536d386d0ba68c75227d316b29fffb3ec6dde9a2a7eceb0
ripemd-160
4c69a9b1e293b710ae504048e1dcbc846f6ad0b0
Diameter
257788482
Circumference
809866401.23126
Area
5.2193557549053E+16
Volume
8.9699319804999E+24
Surface area
2.0877423019621E+17
Circumference
809866401.23126
Perimeter
515576964
Area
16613725362966081
Diagonal
182283983.73399
Surface area
99682352177796486
Volume
2.141413520842E+24
Space diagonal
223251374.21503
Perimeter
386682723
Area
7.1939541079132E+15
Altitude
111625687.10751
Surface area
7.1939541079132E+15
Volume
2.5236800365199E+23
Height
60761327.911329