20071931 is an odd 8-digits composite number following 20071930
and preceding 20071932 . In scientific notation, it is written as 2.0071931 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 18247200 positive integers (up to 20071931) that are relatively prime to 20071931.
20071931 has 4 divisors, whose sum is 21896664
The reverse of 20071931 is 13917002
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million seventy-one thousand nine hundred thirty-one
Scientific notation
2.0071931 × 10^7
Engineering notation
2.0071931 × 10^6
Prime Factorization
11 × 1824721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20071931
Product of the distinct prime numbers
The prime factorization of 20071931 is 11 × 1824721.
Since it has a total of 2 prime factors.
2 , 5 , 22 , 16 , 881 , 549 , 1201 , 3016 , 3557 , 57835 , 17929 , 4843 , 1413068 , 1582255 , 53741307 , 97202230 , 562335405 , 199538463 , 7720444615 , 1433562038
n×2
40143862
n×3
60215793
n×4
80287724
n×5
100359655
n÷2
10035965.5
n÷3
6690643.6666667
n÷3
5017982.75
n÷5
4014386.2
n2
402882414068761
n3
8.0866280163016E+21
n4
1.6231423956587E+29
n5
3.2579602168837E+36
2 √n
4480.1708672773
3 √n
271.76679026578
4 √n
66.934078519669
5 √n
28.874723293287
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
-20071930
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 20071931 can be divided by 4 positive divisors.
The sum of these divisors (counting 20071931) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100100010111111011
3
Ternary
1101202202111212
4
Quaternary
1030210113323
5
Quinary
20114300211
6
Senary
1554113335
8
Octal
114442773
10
Decimal
20071931
12
Duodecimal
687b84b
16
Hexadecimal
13245fb
20
Vigesimal
658jgb
36
Base36
by7ln
md5
e138ecf6f279af661828d7f30764e952
sha1
eb291420dcbedeece557a48847d88b2300b26973
sha256
ed6bdd50f331e61744a6f094a3a1eecce67b97a9fdca468bc93eae6e145a0363
sha512
9ccb0422cbd90337171d5104baa85c9b72b5e3d891017575b4fdfbb9fb93f0f52a1685eb0e4fa9f30a31a14de8d69de3c62e1d8cb3981471baac70e0b0c596ec
ripemd-160
2821b6f4bad1b642e205e727e8bdd5561cabc704
Diameter
40143862
Circumference
126115661.94592
Area
1.2656924322989E+15
Volume
3.3873188224435E+22
Surface area
5.0627697291958E+15
Circumference
126115661.94592
Perimeter
80287724
Area
402882414068761
Diagonal
28385997.043217
Surface area
2417294484412566
Volume
8.0866280163016E+21
Space diagonal
34765604.298017
Perimeter
60215793
Area
1.7445320266077E+14
Altitude
17382802.149008
Surface area
1.7445320266077E+14
Volume
9.5301825121E+20
Height
9461999.0144057