20107945 is an odd 8-digits composite number following 20107944
and preceding 20107946 . In scientific notation, it is written as 2.0107945 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 13498560 positive integers (up to 20107945) that are relatively prime to 20107945.
20107945 has 8 divisors, whose sum is 22274208
The reverse of 20107945 is 54970102
Previous prime number is 65
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred seven thousand nine hundred forty-five
Scientific notation
2.0107945 × 10^7
Engineering notation
2.0107945 × 10^6
Prime Factorization
11 × 65 × 28123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20107945
Product of the distinct prime numbers
The prime factorization of 20107945 is 11 × 65 × 28123.
Since it has a total of 3 prime factors.
10 , 1 , 39 , 74 , 237 , 98 , 7047 , 5392 , 9707 , 13199 , 621293 , 607205 , 1095342 , 5569427 , 9777905 , 91975308 , 5917713 , 520139480 , 8236403974 , 7168373794
n×2
40215890
n×3
60323835
n×4
80431780
n×5
100539725
n÷2
10053972.5
n÷3
6702648.3333333
n÷3
5026986.25
n÷5
4021589
n2
404329452123025
n3
8.1302343851699E+21
n4
1.6348230585411E+29
n5
3.2872932145875E+36
2 √n
4484.1883323518
3 √n
271.92923205803
4 √n
66.964082405061
5 √n
28.88507754128
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
-20107944
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 20107945 can be divided by 8 positive divisors.
The sum of these divisors (counting 20107945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101101001010101001
3
Ternary
1101211120220201
4
Quaternary
1030231022221
5
Quinary
20121423240
6
Senary
1554552201
8
Octal
114551251
10
Decimal
20107945
12
Duodecimal
6898661
16
Hexadecimal
132d2a9
20
Vigesimal
65d9h5
36
Base36
byze1
md5
b3146525d98ffad7a9173519c804e593
sha1
f2712e3487fff44b68e5b7217d777f0f4d48e1ff
sha256
d0db2d475a8cdce2bebc18638432c87743b49f6bfcfc8e119780e17da12d0b7d
sha512
cc48a778a57c2151dd694a97b5c5a2b8d174696a7af325fbb476b763c58c44101b168751d625e8e6a0dfc944a61fd5483193e3e643e5833ee6db64dc6545f38b
ripemd-160
b99886e96018933d5040f65cd475466af9de71ce
Diameter
40215890
Circumference
126341944.58158
Area
1.2702384364197E+15
Volume
3.4055846155217E+22
Surface area
5.0809537456787E+15
Circumference
126341944.58158
Perimeter
80431780
Area
404329452123025
Diagonal
28436928.530452
Surface area
2425976712738150
Volume
8.1302343851699E+21
Space diagonal
34827982.375801
Perimeter
60323835
Area
1.7507978851839E+14
Altitude
17413991.1879
Surface area
1.7507978851839E+14
Volume
9.5815731106495E+20
Height
9478976.1768174