128971799 is an odd 9-digits composite number following 128971798
and preceding 128971800 . In scientific notation, it is written as 1.28971799 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 117247080 positive integers (up to 128971799) that are relatively prime to 128971799.
128971799 has 4 divisors, whose sum is 140696520
The reverse of 128971799 is 997179821
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred twenty-eight million nine hundred seventy-one thousand seven hundred ninety-nine
Scientific notation
1.28971799 × 10^8
Engineering notation
1.28971799 × 10^6
Prime Factorization
11 × 11724709
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128971799
Product of the distinct prime numbers
The prime factorization of 128971799 is 11 × 11724709.
Since it has a total of 2 prime factors.
2 , 10 , 5 , 30 , 652 , 894 , 5597 , 2897 , 4700 , 63339 , 208901 , 240768 , 116388 , 5944947 , 39500347 , 8535875 , 794055745 , 194802720 , 8278868213 , 4086021855
n×2
257943598
n×3
386915397
n×4
515887196
n×5
644858995
n÷2
64485899.5
n÷3
42990599.666667
n÷3
32242949.75
n÷5
25794359.8
n2
16633724937296401
n3
2.1452814292343E+24
n4
2.7668080528964E+32
n5
3.5684021206973E+40
2 √n
11356.575143942
3 √n
505.24061206602
4 √n
106.56723297497
5 √n
41.88889957445
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128971798
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128971799 can be divided by 4 positive divisors.
The sum of these divisors (counting 128971799) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011111111010000010111
3
Ternary
22222200110001022
4
Quaternary
13223333100113
5
Quinary
231004044144
6
Senary
20444151355
8
Octal
753772027
10
Decimal
128971799
12
Duodecimal
3723855b
16
Hexadecimal
7aff417
20
Vigesimal
206199j
36
Base36
24sb9z
md5
f5178b2477af3e9c68856dfc5907809f
sha1
abc95bd1c621bc22164319d29de15d07ea29c763
sha256
63524eccc6aa90cbadb1a3f3eeca3d9fbadf98bda52f72285a8bda3fab82e24c
sha512
be920cdc8c13d1dc4afd154af3472c006ca1814202c8c390f3df63a4f464c714372d9648298ad54ccabae3f04f887250d3577a6316e3b2d7784788735a7a3e54
ripemd-160
4866d1dd11436493657855f4c109acafb06ee1a7
Diameter
257943598
Circumference
810353712.51732
Area
5.2256388064844E+16
Volume
8.9861338372867E+24
Surface area
2.0902555225937E+17
Circumference
810353712.51732
Perimeter
515887196
Area
16633724937296401
Diagonal
182393667.30946
Surface area
99802349623778406
Volume
2.1452814292343E+24
Space diagonal
223385708.61156
Perimeter
386915397
Area
7.2026141776307E+15
Altitude
111692854.30578
Surface area
7.2026141776307E+15
Volume
2.5282384102752E+23
Height
60797889.103152