128609907 is an odd 9-digits composite number following 128609906
and preceding 128609908 . In scientific notation, it is written as 1.28609907 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 81865280 positive integers (up to 128609907) that are relatively prime to 128609907.
128609907 has 16 divisors, whose sum is 179407872
The reverse of 128609907 is 709906821
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-eight million six hundred nine thousand nine hundred seven
Scientific notation
1.28609907 × 10^8
Engineering notation
1.28609907 × 10^6
Prime Factorization
3 × 41 × 47 × 22247
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128609907
Product of the distinct prime numbers
The prime factorization of 128609907 is 3 × 41 × 47 × 22247.
Since it has a total of 4 prime factors.
8 , 1 , 91 , 23 , 389 , 292 , 454 , 4188 , 84717 , 13944 , 53408 , 973258 , 5093401 , 3673724 , 29882611 , 78388874 , 868826953 , 647563829 , 8548766584 , 5436674267
n×2
257219814
n×3
385829721
n×4
514439628
n×5
643049535
n÷2
64304953.5
n÷3
42869969
n÷3
32152476.75
n÷5
25721981.4
n2
16540508178548649
n3
2.1272732185759E+24
n4
2.7358841080463E+32
n5
3.5186180069862E+40
2 √n
11340.630802561
3 √n
504.767604733
4 √n
106.49239786276
5 √n
41.865365280782
1 , 3 , 41 , 47 , 123 , 141 , 1927 , 5781 , 22247 , 66741 , 912127 , 1045609 , 2736381 , 3136827 , 42869969 , 128609907
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
-128609906
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 128609907 can be divided by 16 positive divisors.
The sum of these divisors (counting 128609907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010100110111001110011
3
Ternary
22222000001121220
4
Quaternary
13222212321303
5
Quinary
230411004112
6
Senary
20432320123
8
Octal
752467163
10
Decimal
128609907
12
Duodecimal
370a3043
16
Hexadecimal
7aa6e73
20
Vigesimal
203g4f7
36
Base36
24kk1f
md5
9d74d85325982ebfc628f7ca6a2858a2
sha1
54f7e39dd5e559597f287238b44f9b906000424a
sha256
5c0006186adf081c7f393514e96564779ac9dfc987e06d0557d03e00074e92f5
sha512
a610c12533522c80f62886efb75a4288285882778449293b5d0db95be0e0725c2f4d101c2a4d45acd2a30a4b6dcec7078acb98c292917bc94394df74bab54f9f
ripemd-160
bbe832efd5babe5360369461af5cf036d74d0337
Diameter
257219814
Circumference
808079878.02013
Area
5.196353898037E+16
Volume
8.9107012208751E+24
Surface area
2.0785415592148E+17
Circumference
808079878.02013
Perimeter
514439628
Area
16540508178548649
Diagonal
181881874.73494
Surface area
99243049071291894
Volume
2.1272732185759E+24
Space diagonal
222758893.28071
Perimeter
385829721
Area
7.1622501370637E+15
Altitude
111379446.64035
Surface area
7.1622501370637E+15
Volume
2.5070155304859E+23
Height
60627291.578314