128906973 is an odd 9-digits composite number following 128906972
and preceding 128906974 . In scientific notation, it is written as 1.28906973 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 75876768 positive integers (up to 128906973) that are relatively prime to 128906973.
128906973 has 16 divisors, whose sum is 160957440
The reverse of 128906973 is 379609821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million nine hundred six thousand nine hundred seventy-three
Scientific notation
1.28906973 × 10^8
Engineering notation
1.28906973 × 10^6
Prime Factorization
9 × 13 × 23 × 47903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128906973
Product of the distinct prime numbers
The prime factorization of 128906973 is 9 × 13 × 23 × 47903.
Since it has a total of 4 prime factors.
7 , 10 , 42 , 81 , 516 , 29 , 464 , 3085 , 53229 , 83112 , 608819 , 45244 , 7693817 , 1416703 , 45140341 , 96214462 , 7524006 , 478398973 , 7447805281 , 5259043623
n×2
257813946
n×3
386720919
n×4
515627892
n×5
644534865
n÷2
64453486.5
n÷3
42968991
n÷3
32226743.25
n÷5
25781394.6
n2
16617007688022729
n3
2.1420481613807E+24
n4
2.7612494450381E+32
n5
3.5594430765779E+40
2 √n
11353.720667693
3 √n
505.15594700155
4 √n
106.55383929119
5 √n
41.884687745272
1 , 9 , 13 , 23 , 117 , 207 , 299 , 2691 , 47903 , 431127 , 622739 , 1101769 , 5604651 , 9915921 , 14322997 , 128906973
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
-128906972
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 128906973 can be divided by 16 positive divisors.
The sum of these divisors (counting 128906973) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011101111011011011101
3
Ternary
22222120011010100
4
Quaternary
13223233123131
5
Quinary
231000010343
6
Senary
20442531313
8
Octal
753573335
10
Decimal
128906973
12
Duodecimal
37206b39
16
Hexadecimal
7aef6dd
20
Vigesimal
205d78d
36
Base36
24qx99
md5
f4613b6a49e6dd046a5611b56116dd26
sha1
4fce1540700b35fd2506fb2ff9c192feba7127e1
sha256
3501eb7c1ac30daec6002daed283f74cbf1cbb7e2cca6328e357062876775f1c
sha512
ec89c168bd2e65f22b99fd74f430feec426bce14b97742a5dce23f6f287d4b367b489bfedfd704085e9ba6f85506c312df8b6a3be8d9e8733ef8190acef5c043
ripemd-160
557ccf41e3a31de5b9e0d93fefaaa4588ef681bb
Diameter
257813946
Circumference
809946398.7466
Area
5.2203869277337E+16
Volume
8.9725903565723E+24
Surface area
2.0881547710935E+17
Circumference
809946398.7466
Perimeter
515627892
Area
16617007688022729
Diagonal
182301989.50106
Surface area
99702046128136374
Volume
2.1420481613807E+24
Space diagonal
223273426.68591
Perimeter
386720919
Area
7.1953753963545E+15
Altitude
111636713.34295
Surface area
7.1953753963545E+15
Volume
2.5244279675675E+23
Height
60767329.833687