28207870 is an even 8-digits composite number following 28207869
and preceding 28207871 . In scientific notation, it is written as 2.8207870 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 11283144 positive integers (up to 28207870) that are relatively prime to 28207870.
28207870 has 8 divisors, whose sum is 50774184
The reverse of 28207870 is 07870282
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million two hundred seven thousand eight hundred seventy
Scientific notation
2.8207870 × 10^7
Engineering notation
2.8207870 × 10^6
Prime Factorization
2 × 5 × 2820787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28207870
Product of the distinct prime numbers
The prime factorization of 28207870 is 2 × 5 × 2820787.
Since it has a total of 3 prime factors.
1 , 7 , 90 , 74 , 336 , 549 , 4566 , 3982 , 45499 , 56748 , 705705 , 331157 , 3046007 , 5485238 , 92147216 , 93443023 , 96109422 , 695213291 , 3276803891 , 5510966373
n×2
56415740
n×3
84623610
n×4
112831480
n×5
141039350
n÷2
14103935
n÷3
9402623.3333333
n÷3
7051967.5
n÷5
5641574
n2
795683929936900
n3
2.2444548856749E+22
n4
6.3311291635983E+29
n5
1.7858766839999E+37
2 √n
5311.1081706175
3 √n
304.40849257659
4 √n
72.877350189325
5 √n
30.908224545153
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28207869
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28207870 can be divided by 8 positive divisors.
The sum of these divisors (counting 28207870) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011100110101011111110
3
Ternary
1222002002220221
4
Quaternary
1223212223332
5
Quinary
24210122440
6
Senary
2444331554
8
Octal
153465376
10
Decimal
28207870
12
Duodecimal
9543bba
16
Hexadecimal
1ae6afe
20
Vigesimal
8g5jda
36
Base36
gslby
md5
f6fb40c330d455d082ffada8c2748972
sha1
32def6973c2e56a5c92c952d99d5c3c4f17dd06f
sha256
101b6b33bde3dbb3a2c162e2858db81ad7d49d1eebfe07c0a0d7eeb3138fac03
sha512
4e78e0dd0c7c7df74b70da6d6f5e513cd46fa2b666913af975afff560c0e64d53632cd8c4c9be639c29461356dd4faab280dd3cf173e61f20e016c88ec07ba2e
ripemd-160
09dec52baf625a7f661ea4207e7c4c150e7ef13b
Diameter
56415740
Circumference
177235274.33083
Area
2.4997147888692E+15
Volume
9.4015506402001E+22
Surface area
9.9988591554769E+15
Circumference
177235274.33083
Perimeter
112831480
Area
795683929936900
Diagonal
39891952.319657
Surface area
4774103579621400
Volume
2.2444548856749E+22
Space diagonal
48857464.013298
Perimeter
84623610
Area
3.445412483542E+14
Altitude
24428732.006649
Surface area
3.445412483542E+14
Volume
2.6451154495467E+21
Height
13297317.439886