20143987 is an odd 8-digits composite number following 20143986
and preceding 20143988 . In scientific notation, it is written as 2.0143987 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20121640 positive integers (up to 20143987) that are relatively prime to 20143987.
20143987 has 4 divisors, whose sum is 20166336
The reverse of 20143987 is 78934102
Previous prime number is 941
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred forty-three thousand nine hundred eighty-seven
Scientific notation
2.0143987 × 10^7
Engineering notation
2.0143987 × 10^6
Prime Factorization
941 × 21407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20143987
Product of the distinct prime numbers
The prime factorization of 20143987 is 941 × 21407.
Since it has a total of 2 prime factors.
2 , 3 , 47 , 30 , 836 , 32 , 2379 , 1508 , 36475 , 14699 , 148548 , 182562 , 3906953 , 8929096 , 3678502 , 61419801 , 828208529 , 580251382 , 9868562541 , 3714743215
n×2
40287974
n×3
60431961
n×4
80575948
n×5
100719935
n÷2
10071993.5
n÷3
6714662.3333333
n÷3
5035996.75
n÷5
4028797.4
n2
405780212256169
n3
8.1740313205455E+21
n4
1.6465758065866E+29
n5
3.3168601642395E+36
2 √n
4488.2053206154
3 √n
272.0916060753
4 √n
66.994069294344
5 √n
28.895424996934
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
-20143986
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 20143987 can be divided by 4 positive divisors.
The sum of these divisors (counting 20143987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110101111101110011
3
Ternary
1101220102100121
4
Quaternary
1030311331303
5
Quinary
20124101422
6
Senary
1555431111
8
Octal
114657563
10
Decimal
20143987
12
Duodecimal
68b5497
16
Hexadecimal
1335f73
20
Vigesimal
65hjj7
36
Base36
bzr77
md5
db5c000fcf064e55e2f8a7596fca61ef
sha1
cb1124fbe46012c73bbbe5f58c10cbb4577dc214
sha256
4254f8fa25c230fb201733902781c02f620c83836063e336925e77c0e9e1d461
sha512
f63d99d2fb2f185dafb59a00bf036b8d753bdcfc2863eafe9fe854e63910e4c4ab4a905051de0d61cea32197638a387d6f8dd0b747fa8f2090a433e15dc30c6e
ripemd-160
91a9d57ccb5f4040bde70c5782e72edddfc3ca77
Diameter
40287974
Circumference
126568403.14642
Area
1.2747961337961E+15
Volume
3.4239302329118E+22
Surface area
5.0991845351844E+15
Circumference
126568403.14642
Perimeter
80575948
Area
405780212256169
Diagonal
28487899.615667
Surface area
2434681273537014
Volume
8.1740313205455E+21
Space diagonal
34890408.951007
Perimeter
60431961
Area
1.7570798608344E+14
Altitude
17445204.475503
Surface area
1.7570798608344E+14
Volume
9.6331882939816E+20
Height
9495966.5385558