20127987 is an odd 8-digits composite number following 20127986
and preceding 20127988 . In scientific notation, it is written as 2.0127987 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 11880000 positive integers (up to 20127987) that are relatively prime to 20127987.
20127987 has 32 divisors, whose sum is 30355200
The reverse of 20127987 is 78972102
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred twenty-seven thousand nine hundred eighty-seven
Scientific notation
2.0127987 × 10^7
Engineering notation
2.0127987 × 10^6
Prime Factorization
99 × 3 × 11 × 61 × 101
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20127987
Product of the distinct prime numbers
The prime factorization of 20127987 is 99 × 3 × 11 × 61 × 101.
Since it has a total of 5 prime factors.
8 , 4 , 93 , 62 , 388 , 454 , 3524 , 1133 , 82239 , 19056 , 529633 , 41403 , 1314202 , 8604066 , 17951823 , 65573200 , 795092478 , 178439616 , 1398726315 , 3385094409
n×2
40255974
n×3
60383961
n×4
80511948
n×5
100639935
n÷2
10063993.5
n÷3
6709329
n÷3
5031996.75
n÷5
4025597.4
n2
405135860672169
n3
8.1545693368432E+21
n4
1.6413506560258E+29
n5
3.3037084666929E+36
2 √n
4486.4225168836
3 √n
272.01954786703
4 √n
66.980762289508
5 √n
28.890833316478
1 , 3 , 11 , 33 , 61 , 99 , 101 , 183 , 297 , 303 , 671 , 1089 , 1111 , 2013 , 3267 , 3333 , 6039 , 6161 , 9999 , 18117 , 18483 , 29997 , 66429 , 67771 , 109989 , 199287 , 203313 , 329967 , 609939 , 1829817 , 6709329 , 20127987
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20127986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20127987 can be divided by 32 positive divisors.
The sum of these divisors (counting 20127987) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110010000011110011
3
Ternary
1101212121102000
4
Quaternary
1030302003303
5
Quinary
20123043422
6
Senary
1555225043
8
Octal
114620363
10
Decimal
20127987
12
Duodecimal
68a8183
16
Hexadecimal
13320f3
20
Vigesimal
65fjj7
36
Base36
bzeur
md5
dcd70449e71d3c29d3e80a577785c7f6
sha1
988fc5ff6d03f753a990ab8bb20231c475ca8ac1
sha256
e4ff72bc1ea33019dbe35eab40b4eeb037dc914fc2675e78658df22956471a71
sha512
a1501997f1744d1275c1a5496764b56ffccb5624e9d05e2a25837b503cb4e5f6882679aad1b27b788db33413e6dd256241982f546e48e0259599b9d370cb670d
ripemd-160
2940d2e68566d351c137168bcddc33c38445adf0
Diameter
40255974
Circumference
126467872.1815
Area
1.2727718435935E+15
Volume
3.415778016242E+22
Surface area
5.0910873743739E+15
Circumference
126467872.1815
Perimeter
80511948
Area
405135860672169
Diagonal
28465272.198669
Surface area
2430815164033014
Volume
8.1545693368432E+21
Space diagonal
34862696.138086
Perimeter
60383961
Area
1.7542897366309E+14
Altitude
17431348.069043
Surface area
1.7542897366309E+14
Volume
9.6102521262296E+20
Height
9488424.0662231