20017918 is an even 8-digits composite number following 20017917
and preceding 20017919 . In scientific notation, it is written as 2.0017918 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10008958 positive integers (up to 20017918) that are relatively prime to 20017918.
20017918 has 4 divisors, whose sum is 30026880
The reverse of 20017918 is 81971002
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seventeen thousand nine hundred eighteen
Scientific notation
2.0017918 × 10^7
Engineering notation
2.0017918 × 10^6
Prime Factorization
2 × 10008959
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20017918
Product of the distinct prime numbers
The prime factorization of 20017918 is 2 × 10008959.
Since it has a total of 2 prime factors.
5 , 7 , 83 , 6 , 191 , 626 , 9332 , 6284 , 1139 , 8098 , 539858 , 747179 , 6909507 , 2164583 , 73460211 , 20605714 , 605086123 , 694292748 , 1441250059 , 5822939175
n×2
40035836
n×3
60053754
n×4
80071672
n×5
100089590
n÷2
10008959
n÷3
6672639.3333333
n÷3
5004479.5
n÷5
4003583.6
n2
400717041054724
n3
8.0215208690361E+21
n4
1.6057414699165E+29
n5
3.2143601073989E+36
2 √n
4474.1387998139
3 √n
271.52279902194
4 √n
66.889003579167
5 √n
28.85916632578
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
-20017917
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 20017918 can be divided by 4 positive divisors.
The sum of these divisors (counting 20017918) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010111001011111110
3
Ternary
1101200000102101
4
Quaternary
1030113023332
5
Quinary
20111033133
6
Senary
1553015314
8
Octal
114271376
10
Decimal
20017918
12
Duodecimal
685453a
16
Hexadecimal
13172fe
20
Vigesimal
6524fi
36
Base36
bx1xa
md5
afbc5ce7e9b9c793f60bf3e609c39ec6
sha1
5fc8eb34268765c000032db0a6eedba2f55f72fe
sha256
2d4e972f2df891fd47202d68475c456c0e9ddad62166faf8b0739d123455e851
sha512
631343156c9d38c1cf379938655502a52f03970945bcc6cb11412ec07afe3ae39876b319267cb6945111bbbd659e82e40bbcbf1e7bd7cc0651566911e9f8b436
ripemd-160
b94316072e0f00421c16ed2412195e77ee786431
Diameter
40035836
Circumference
125776288.25793
Area
1.2588897123458E+15
Volume
3.3600468043708E+22
Surface area
5.035558849383E+15
Circumference
125776288.25793
Perimeter
80071672
Area
400717041054724
Diagonal
28309611.126073
Surface area
2404302246328344
Volume
8.0215208690361E+21
Space diagonal
34672051.037748
Perimeter
60053754
Area
1.7351556864136E+14
Altitude
17336025.518874
Surface area
1.7351556864136E+14
Volume
9.4534530032081E+20
Height
9436537.0420242