805172020 is an even 9-digits composite number following 805172019
and preceding 805172021 . In scientific notation, it is written as 8.05172020 × 10^8.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 303123456 positive integers (up to 805172020) that are relatively prime to 805172020.
805172020 has 12 divisors, whose sum is 1425628708
The reverse of 805172020 is 020271508
Previous prime number is 85
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
eight hundred five million one hundred seventy-two thousand twenty
Scientific notation
8.05172020 × 10^8
Engineering notation
8.05172020 × 10^6
Prime Factorization
2 × 2 × 85 × 2368153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
402586010
Product of the distinct prime numbers
The prime factorization of 805172020 is 2 × 2 × 85 × 2368153.
Since it has a total of 4 prime factors.
6 , 10 , 98 , 44 , 630 , 49 , 3152 , 9599 , 9957 , 45431 , 183312 , 361771 , 1599776 , 1845897 , 1128827 , 97704855 , 78352232 , 998526757 , 8629136408 , 3665126823
n×2
1610344040
n×3
2415516060
n×4
3220688080
n×5
4025860100
n÷2
402586010
n÷3
268390673.33333
n÷3
201293005
n÷5
161034404
n2
648301981790880400
n3
5.2199461624857E+26
n4
4.2029545959398E+35
n5
3.3841014419812E+44
2 √n
28375.553210466
3 √n
930.31400349947
4 √n
168.45044734422
5 √n
60.419584580128
1 , 2 , 4 , 85 , 170 , 340 , 2368153 , 4736306 , 9472612 , 201293005 , 402586010 , 805172020
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-805172019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 805172020 can be divided by 12 positive divisors.
The sum of these divisors (counting 805172020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101111111111011111001100110100
3
Ternary
2002010001222100221
4
Quaternary
233333133030310
5
Quinary
3122111001040
6
Senary
211521344124
8
Octal
5777371464
10
Decimal
805172020
12
Duodecimal
1a5798044
16
Hexadecimal
2ffdf334
20
Vigesimal
cbc6a10
36
Base36
dbdmpg
md5
bc0787c828f559c502e7966fa7519a91
sha1
eb66165b0b2a85db505c195c938e9e681eeaf3b3
sha256
2f64faf0ee1eb56c27afde76de7ada7f4c6a3037e253d856a030e6abc0b7db67
sha512
ab1eab9489ff315b44e15d14438200eebce4ec4f3d3b67275e31523d93722cd958ab9fc6c89e04b823b68d3ca91e28cdd395ab8314c42273858b34f0406b6813
ripemd-160
43bf69fc4f8e50b2c1b690ecf0305c98b50a7326
Diameter
1610344040
Circumference
5059045005.8161
Area
2.0367007433019E+18
Volume
2.1865259354932E+27
Surface area
8.1468029732077E+18
Circumference
5059045005.8161
Perimeter
3220688080
Area
648301981790880400
Diagonal
1138685190.7273
Surface area
3889811890745282400
Volume
5.2199461624857E+26
Space diagonal
1394598847.4729
Perimeter
2415516060
Area
2.8072299277735E+17
Altitude
697299423.73643
Surface area
2.8072299277735E+17
Volume
6.1517655482038E+25
Height
379561730.24245