28207977 is an odd 8-digits composite number following 28207976
and preceding 28207978 . In scientific notation, it is written as 2.8207977 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 15868944 positive integers (up to 28207977) that are relatively prime to 28207977.
28207977 has 24 divisors, whose sum is 34911360
The reverse of 28207977 is 77970282
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million two hundred seven thousand nine hundred seventy-seven
Scientific notation
2.8207977 × 10^7
Engineering notation
2.8207977 × 10^6
Prime Factorization
21 × 7 × 7 × 79 × 347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4029711
Product of the distinct prime numbers
The prime factorization of 28207977 is 21 × 7 × 7 × 79 × 347.
Since it has a total of 5 prime factors.
5 , 10 , 56 , 9 , 650 , 380 , 5902 , 9344 , 98160 , 3877 , 85376 , 690503 , 7370895 , 9345420 , 64359375 , 31498927 , 80301424 , 895819521 , 5699680107 , 1012958785
n×2
56415954
n×3
84623931
n×4
112831908
n×5
141039885
n÷2
14103988.5
n÷3
9402659
n÷3
7051994.25
n÷5
5641595.4
n2
795689966432529
n3
2.244480427226E+22
n4
6.331225226814E+29
n5
1.7859105557979E+37
2 √n
5311.1182438353
3 √n
304.40887747707
4 √n
72.87741930005
5 √n
30.908247993751
1 , 7 , 21 , 49 , 79 , 147 , 347 , 553 , 1029 , 1659 , 2429 , 3871 , 7287 , 11613 , 17003 , 27413 , 51009 , 81291 , 191891 , 357063 , 575673 , 1343237 , 4029711 , 28207977
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
-28207976
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 28207977 can be divided by 24 positive divisors.
The sum of these divisors (counting 28207977) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011100110101101101001
3
Ternary
1222002010001220
4
Quaternary
1223212231221
5
Quinary
24210123402
6
Senary
2444332253
8
Octal
153465551
10
Decimal
28207977
12
Duodecimal
9544089
16
Hexadecimal
1ae6b69
20
Vigesimal
8g5jih
36
Base36
gslex
md5
b97de1e09937c43f0e5a555c98363120
sha1
5eb46f4d7c926d2ef180050abb76cb603e8fee32
sha256
4f28ccea7c3cf79d689e5b7e1ecd04c9c8d366ffebeb892aff5c9925218e1e1e
sha512
41c9074897e0963bdf7258e7343a2b2236f26de814f9e3a764cca5cd286829498d41ade75557bb6be18e6c187014126f5ba775b5b49b8ee25dfd1e6a92f5db82
ripemd-160
df631194a12e466be3122166dd60f35bdb8e9006
Diameter
56415954
Circumference
177235946.63166
Area
2.4997337530795E+15
Volume
9.4016576283989E+22
Surface area
9.9989350123182E+15
Circumference
177235946.63166
Perimeter
112831908
Area
795689966432529
Diagonal
39892103.640508
Surface area
4774139798595174
Volume
2.244480427226E+22
Space diagonal
48857649.342734
Perimeter
84623931
Area
3.4454386223348E+14
Altitude
24428824.671367
Surface area
3.4454386223348E+14
Volume
2.6451455505533E+21
Height
13297367.880169