20071918 is an even 8-digits composite number following 20071917
and preceding 20071919 . In scientific notation, it is written as 2.0071918 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 9865800 positive integers (up to 20071918) that are relatively prime to 20071918.
20071918 has 8 divisors, whose sum is 30618360
The reverse of 20071918 is 81917002
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seventy-one thousand nine hundred eighteen
Scientific notation
2.0071918 × 10^7
Engineering notation
2.0071918 × 10^6
Prime Factorization
2 × 59 × 170101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20071918
Product of the distinct prime numbers
The prime factorization of 20071918 is 2 × 59 × 170101.
Since it has a total of 3 prime factors.
3 , 2 , 75 , 94 , 927 , 730 , 8230 , 8348 , 7905 , 12975 , 791612 , 1708 , 1718479 , 3774503 , 7841196 , 99343334 , 503192139 , 986631898 , 4252177375 , 4226840214
n×2
40143836
n×3
60215754
n×4
80287672
n×5
100359590
n÷2
10035959
n÷3
6690639.3333333
n÷3
5017979.5
n÷5
4014383.6
n2
402881892198724
n3
8.0866123038976E+21
n4
1.6231381906162E+29
n5
3.2579496664718E+36
2 √n
4480.1694164395
3 √n
271.76673159398
4 √n
66.934067681858
5 √n
28.874719553024
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
-20071917
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 20071918 can be divided by 8 positive divisors.
The sum of these divisors (counting 20071918) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100100010111101110
3
Ternary
1101202202111101
4
Quaternary
1030210113232
5
Quinary
20114300133
6
Senary
1554113314
8
Octal
114442756
10
Decimal
20071918
12
Duodecimal
687b83a
16
Hexadecimal
13245ee
20
Vigesimal
658jfi
36
Base36
by7la
md5
a84f6d1b77c8fcf234847d0b73157b3a
sha1
e8751a1a531511e3a188a5bb706d46b9b02d814c
sha256
7c4d92238e381e03b8acdf16cb015ec5653b995b59a1e3889081e10fc9726ae1
sha512
3f9b4b96153a525970ba70e328a2d8955b41f1b32f7189297e6117acea105ac52e7e90c70f4dfb11a03d0830a19925fbd5fca0f86d5a9712013befd0c9a23a75
ripemd-160
7d42ec97fc9a80ac56a7bbc3e51211db6a503da0
Diameter
40143836
Circumference
126115580.26451
Area
1.2656907927959E+15
Volume
3.3873122408471E+22
Surface area
5.0627631711835E+15
Circumference
126115580.26451
Perimeter
80287672
Area
402881892198724
Diagonal
28385978.658441
Surface area
2417291353192344
Volume
8.0866123038976E+21
Space diagonal
34765581.781356
Perimeter
60215754
Area
1.7445297668442E+14
Altitude
17382790.890678
Surface area
1.7445297668442E+14
Volume
9.5301639948543E+20
Height
9461992.8861469