128849908 is an even 9-digits composite number following 128849907
and preceding 128849909 . In scientific notation, it is written as 1.28849908 × 10^8.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 58480800 positive integers (up to 128849908) that are relatively prime to 128849908.
128849908 has 24 divisors, whose sum is 246353184
The reverse of 128849908 is 809948821
Previous prime number is 3541
Is Prime? no Number parity even Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred twenty-eight million eight hundred forty-nine thousand nine hundred eight
Scientific notation
1.28849908 × 10^8
Engineering notation
1.28849908 × 10^6
Prime Factorization
2 × 2 × 11 × 3541 × 827
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64424954 Product of the distinct prime numbers
The prime factorization of 128849908 is 2 × 2 × 11 × 3541 × 827.
Since it has a total of 5 prime factors.
7 , 5 , 21 , 20 , 792 , 197 , 56 , 4005 , 23750 , 22471 , 581280 , 130001 , 4406714 , 1178982 , 50875130 , 4709512 , 269721397 , 137016988 , 6083586615 , 6366784891
n×2
257699816
n×3
386549724
n×4
515399632
n×5
644249540
n÷2
64424954
n÷3
42949969.333333
n÷3
32212477
n÷5
25769981.6
n2
16602298791608464
n3
2.1392046718873E+24
n4
2.7563632516584E+32
n5
3.5515715139077E+40
2 √n11351.207336667
3 √n505.08139458545
4 √n106.54204492437
5 √n41.880978755766
1 , 2 , 4 , 11 , 22 , 44 , 827 , 1654 , 3308 , 3541 , 7082 , 9097 , 14164 , 18194 , 36388 , 38951 , 77902 , 155804 , 2928407 , 5856814 , 11713628 , 32212477 , 64424954 , 128849908
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128849907 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128849908 can be divided by 24 positive divisors.
The sum of these divisors (counting 128849908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101011100001011111110100
3
Ternary
22222110020211211
4
Quaternary
13223201133310
5
Quinary
230441144113
6
Senary
20441411204
8
Octal
753413764
10
Decimal
128849908
12
Duodecimal
37199b04
16
Hexadecimal
7ae17f4
20
Vigesimal
20564f8
36
Base36
24pp84
md5
8481336533c481b7a92488b19d7f5cc0
sha1
34c3fcf59a2a360e40ee1c499b6315a33446f1ca
sha256
690abb7e200c75b7ed30542f4fa314956038fb32adfb9aa1552205d9eb0a7715
sha512
d45969906cc4c616769bab41ca2dfa3c475da9bdbfd8bd6750e0c9a4af996db466779f90a1b68a8c95c62c76d26d69db50a4e6140e9a14f06837086e9a456ada
ripemd-160
63316976ba8e424e67f3ce0bbd33411a694f9f20
Diameter
257699816
Circumference
809587848.77704
Area
5.215765991642E+16
Volume
8.9606795756346E+24
Surface area
2.0863063966568E+17
Circumference
809587848.77704
Perimeter
515399632
Area
16602298791608464
Diagonal
182221287.40413
Surface area
99613792749650784
Volume
2.1392046718873E+24
Space diagonal
223174587.20658
Perimeter
386549724
Area
7.1890062573763E+15
Altitude
111587293.60329
Surface area
7.1890062573763E+15
Volume
2.5210768830624E+23
Height
60740429.134709