20100831 is an odd 8-digits composite number following 20100830
and preceding 20100832 . In scientific notation, it is written as 2.0100831 × 10^7.
The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors.
There are 13400552 positive integers (up to 20100831) that are relatively prime to 20100831.
20100831 has 4 divisors, whose sum is 26801112
The reverse of 20100831 is 13800102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million one hundred thousand eight hundred thirty-one
Scientific notation
2.0100831 × 10^7
Engineering notation
2.0100831 × 10^6
Prime Factorization
3 × 6700277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20100831
Product of the distinct prime numbers
The prime factorization of 20100831 is 3 × 6700277.
Since it has a total of 2 prime factors.
4 , 7 , 20 , 58 , 131 , 999 , 1458 , 6525 , 77504 , 62660 , 850010 , 38870 , 986949 , 9733955 , 60125298 , 82408374 , 403621432 , 801332067 , 4054260968 , 2708698932
n×2
40201662
n×3
60302493
n×4
80403324
n×5
100504155
n÷2
10050415.5
n÷3
6700277
n÷3
5025207.75
n÷5
4020166.2
n2
404043406890561
n3
8.1216082385714E+21
n4
1.6325107465173E+29
n5
3.2814822621428E+36
2 √n
4483.3950305544
3 √n
271.89715961538
4 √n
66.958158804991
5 √n
28.883033398751
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
-20100830
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 20100831 can be divided by 4 positive divisors.
The sum of these divisors (counting 20100831) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101011011011011111
3
Ternary
1101211020011020
4
Quaternary
1030223123133
5
Quinary
20121211311
6
Senary
1554455223
8
Octal
114533337
10
Decimal
20100831
12
Duodecimal
6894513
16
Hexadecimal
132b6df
20
Vigesimal
65cc1b
36
Base36
bytwf
md5
fafe682b4766e7e30002e18b71fbe4f0
sha1
fae97ac601681ad3f829983e35d00a907a4586db
sha256
c573e92717c32266f1d9f33a8b05bb6787f7b847a6d8b9fd25a414610146829b
sha512
ecb48a65881c1a53291ed783bca3c6da26c8ae080ce680294e5548a653cae841f0c7230ac15dfaae825b2453905e78fa5cdcce1cfc1b8c11a5a21897b9ab6c33
ripemd-160
35be0e493dfcac495e638e03cebf398a8e9ab6fb
Diameter
40201662
Circumference
126297246.0013
Area
1.2693397988188E+15
Volume
3.401971303684E+22
Surface area
5.0773591952751E+15
Circumference
126297246.0013
Perimeter
80403324
Area
404043406890561
Diagonal
28426867.81517
Surface area
2424260441343366
Volume
8.1216082385714E+21
Space diagonal
34815660.566356
Perimeter
60302493
Area
1.7495592729942E+14
Altitude
17407830.283178
Surface area
1.7495592729942E+14
Volume
9.5714070993906E+20
Height
9475622.6050565