1020121731 is an odd 10-digits composite number following 1020121730
and preceding 1020121732 . In scientific notation, it is written as 1.020121731 × 10^9.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 678693120 positive integers (up to 1020121731) that are relatively prime to 1020121731.
1020121731 has 8 divisors, whose sum is 1135782000
The reverse of 1020121731 is 1371210201
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 18
Digital Root 9
Name
one billion twenty million one hundred twenty-one thousand seven hundred thirty-one
Scientific notation
1.020121731 × 10^9
Engineering notation
1.020121731 × 10^9
Prime Factorization
9 × 491 × 230849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1020121731
Product of the distinct prime numbers
The prime factorization of 1020121731 is 9 × 491 × 230849.
Since it has a total of 3 prime factors.
7 , 7 , 83 , 41 , 128 , 641 , 1652 , 9804 , 27446 , 92355 , 308595 , 118882 , 8331329 , 8263769 , 37209071 , 13678502 , 418600256 , 301938317 , 4331871022 , 508822209
n×2
2040243462
n×3
3060365193
n×4
4080486924
n×5
5100608655
n÷2
510060865.5
n÷3
340040577
n÷3
255030432.75
n÷5
204024346.2
n2
1040648346058436361
n3
1.0615879921434E+27
n4
1.0829489801542E+36
n5
1.1047397882195E+45
2 √n
31939.344561215
3 √n
1006.6627528002
4 √n
178.71582067969
5 √n
63.347634142182
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
-1020121730
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 1020121731 can be divided by 8 positive divisors.
The sum of these divisors (counting 1020121731) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100110011011101001010000011
3
Ternary
2122002112112221100
4
Quaternary
330303131022003
5
Quinary
4042122343411
6
Senary
245120425443
8
Octal
7463351203
10
Decimal
1020121731
12
Duodecimal
245778283
16
Hexadecimal
3ccdd283
20
Vigesimal
fiff46b
36
Base36
gvcqyr
md5
5c83483bf5a7d3d2d7652708e35dc2f7
sha1
d5dee576703d92c9796fb2fbd79c7dc9755af126
sha256
be8d6fa78bdcf877d4ee0bbb6a8b63772d4b03655b74550c4792861ad158d8c1
sha512
e96b2489bb155f0271e5f549ad911d32f6f942075ef3b804f281a25d0774db383952ce536353b27b1104f947515dc1678d5019b5b26c4ff8efbf36f4b2d7974c
ripemd-160
7ab092e31fc14295231a8515d3022d425e7e7b28
Diameter
2040243462
Circumference
6409613871.7538
Area
3.2692931989476E+18
Volume
4.4467693830092E+27
Surface area
1.307717279579E+19
Circumference
6409613871.7538
Perimeter
4080486924
Area
1040648346058436361
Diagonal
1442669987.2517
Surface area
6243890076350618166
Volume
1.0615879921434E+27
Space diagonal
1766902667.9971
Perimeter
3060365193
Area
4.5061395204643E+17
Altitude
883451333.99856
Surface area
4.5061395204643E+17
Volume
1.2510934467847E+26
Height
480889995.75057