128212973 is an odd 9-digits composite number following 128212972
and preceding 128212974 . In scientific notation, it is written as 1.28212973 × 10^8.
The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors.
There are 105966000 positive integers (up to 128212973) that are relatively prime to 128212973.
128212973 has 16 divisors, whose sum is 151964160
The reverse of 128212973 is 379212821
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million two hundred twelve thousand nine hundred seventy-three
Scientific notation
1.28212973 × 10^8
Engineering notation
1.28212973 × 10^6
Prime Factorization
7 × 751 × 29 × 29 × 29
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
152453
Product of the distinct prime numbers
The prime factorization of 128212973 is 7 × 751 × 29 × 29 × 29.
Since it has a total of 5 prime factors.
6 , 1 , 53 , 42 , 758 , 492 , 3581 , 9052 , 58958 , 48378 , 597519 , 121990 , 1705782 , 3897889 , 62847134 , 86550097 , 524418632 , 181728839 , 5305535996 , 4863599064
n×2
256425946
n×3
384638919
n×4
512851892
n×5
641064865
n÷2
64106486.5
n÷3
42737657.666667
n÷3
32053243.25
n÷5
25642594.6
n2
16438566445498729
n3
2.1076374758354E+24
n4
2.7022646678308E+32
n5
3.4646538689544E+40
2 √n
11323.116752909
3 √n
504.24777462795
4 √n
106.41013463439
5 √n
41.839491161713
1 , 7 , 29 , 203 , 751 , 841 , 5257 , 5887 , 21779 , 24389 , 152453 , 170723 , 631591 , 4421137 , 18316139 , 128212973
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
-128212972
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 128212973 can be divided by 16 positive divisors.
The sum of these divisors (counting 128212973) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001000101111111101101
3
Ternary
22221020220010122
4
Quaternary
13221011333231
5
Quinary
230310303343
6
Senary
20420014325
8
Octal
751057755
10
Decimal
128212973
12
Duodecimal
36b313a5
16
Hexadecimal
7a45fed
20
Vigesimal
2016c8d
36
Base36
24c1rh
md5
1a924fd54a131197d645a13f86aa7c18
sha1
a0a72c9dae554175381ed3909e34215c2f217c3b
sha256
86cab5fbd4b314e62c9db4fc15644cb0224f309a2c9ac9b33a6b74c21b91df6f
sha512
a62af49621f2a8d1667373be6de640b84b05adf5a6aa47e81339c5e9335f7bff92fbb892cf2aca5de252016da7fbe7cbe6bad2725e696395a6331bbb355fe0e8
ripemd-160
8b362e06cfcf71d3cfbe2b49fa9346e1194757f9
Diameter
256425946
Circumference
805585868.14341
Area
5.1643279580726E+16
Volume
8.8284512140202E+24
Surface area
2.0657311832291E+17
Circumference
805585868.14341
Perimeter
512851892
Area
16438566445498729
Diagonal
181320525.28878
Surface area
98631398672992374
Volume
2.1076374758354E+24
Space diagonal
222071383.42546
Perimeter
384638919
Area
7.1181080718002E+15
Altitude
111035691.71273
Surface area
7.1181080718002E+15
Volume
2.4838745857436E+23
Height
60440175.096258