20120749 is an odd 8-digits composite number following 20120748
and preceding 20120750 . In scientific notation, it is written as 2.0120749 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 18202800 positive integers (up to 20120749) that are relatively prime to 20120749.
20120749 has 8 divisors, whose sum is 22056480
The reverse of 20120749 is 94702102
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred twenty thousand seven hundred forty-nine
Scientific notation
2.0120749 × 10^7
Engineering notation
2.0120749 × 10^6
Prime Factorization
11 × 211 × 8669
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20120749
Product of the distinct prime numbers
The prime factorization of 20120749 is 11 × 211 × 8669.
Since it has a total of 3 prime factors.
8 , 3 , 21 , 29 , 970 , 274 , 4632 , 8081 , 34373 , 4995 , 781108 , 646160 , 9578059 , 5680855 , 50168147 , 49546135 , 91688320 , 305161596 , 3530517028 , 1271561619
n×2
40241498
n×3
60362247
n×4
80482996
n×5
100603745
n÷2
10060374.5
n÷3
6706916.3333333
n÷3
5030187.25
n÷5
4024149.8
n2
404844540321001
n3
8.1457753798192E+21
n4
1.6389910182772E+29
n5
3.297772689201E+36
2 √n
4485.6157882726
3 √n
271.9869379901
4 √n
66.974739926875
5 √n
28.888755195734
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
-20120748
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 20120749 can be divided by 8 positive divisors.
The sum of these divisors (counting 20120749) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000010010101101
3
Ternary
1101212020110221
4
Quaternary
1030300102231
5
Quinary
20122330444
6
Senary
1555131341
8
Octal
114602255
10
Decimal
20120749
12
Duodecimal
68a3b51
16
Hexadecimal
13304ad
20
Vigesimal
65f1h9
36
Base36
bz99p
md5
ac26d0d000e3446a05150cca2c8138b7
sha1
bc4a17a1da2804480468ca424954471c5b5ae002
sha256
f5be8e6cb15c6e4e827342a3a8836fa8fae35bc2aa6c2a30d07b204ad2445de2
sha512
c40232deabc6cfc75090e7996a83af031222944ca8ec657e71234af102826572aa51d3ded41e42199c29f758fca1a787a6cfe2d2ce1ae37f90b98eb2a574cd1c
ripemd-160
d26d2d304ddb079363bea5ae9fef574c732f4b55
Diameter
40241498
Circumference
126422394.48625
Area
1.2718566337184E+15
Volume
3.4120944121377E+22
Surface area
5.0874265348736E+15
Circumference
126422394.48625
Perimeter
80482996
Area
404844540321001
Diagonal
28455036.120905
Surface area
2429067241926006
Volume
8.1457753798192E+21
Space diagonal
34850159.554341
Perimeter
60362247
Area
1.7530282825071E+14
Altitude
17425079.77717
Surface area
1.7530282825071E+14
Volume
9.5998883484877E+20
Height
9485012.0403016