20101387 is an odd 8-digits prime number following 20101386
and preceding 20101388 . In scientific notation, it is written as 2.0101387 × 10^7.
The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors.
There are 20101386 positive integers (up to 20101387) that are relatively prime to 20101387.
20101387 has 2 divisors, whose sum is 20101388
The reverse of 20101387 is 78310102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred one thousand three hundred eighty-seven
Scientific notation
2.0101387 × 10^7
Engineering notation
2.0101387 × 10^6
Prime Factorization
20101387
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20101387
Product of the distinct prime numbers
The prime factorization of 20101387 is 20101387.
Since it has a total of 1 prime factors.
10 , 1 , 69 , 43 , 892 , 748 , 6630 , 5802 , 4635 , 17519 , 270167 , 228111 , 4892821 , 8102736 , 42806872 , 89690267 , 144284828 , 325666747 , 700113337 , 1350977737
n×2
40202774
n×3
60304161
n×4
80405548
n×5
100506935
n÷2
10050693.5
n÷3
6700462.3333333
n÷3
5025346.75
n÷5
4020277.4
n2
404065759323769
n3
8.1222822016159E+21
n4
1.6326913785789E+29
n5
3.2819361252379E+36
2 √n
4483.4570367073
3 √n
271.89966653374
4 √n
66.958621825029
5 √n
28.883193181089
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20101388
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10050694
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4483.4571482284
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999005044
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20101387 can be divided by 2 positive divisors.
The sum of these divisors (counting 20101387) is 20101388, the average is 10050694.
Base
System
Value
2
Binary
1001100101011100100001011
3
Ternary
1101211020220211
4
Quaternary
1030223210023
5
Quinary
20121221022
6
Senary
1554501551
8
Octal
114534413
10
Decimal
20101387
12
Duodecimal
68948b7
16
Hexadecimal
132b90b
20
Vigesimal
65cd97
36
Base36
byubv
md5
d4913497b12f3e3012b621c9b31974e7
sha1
7742983fc51da995e5a3404e3d033dae5b4d0d0e
sha256
5c94ef4e7be24e7292c92e4d9f95444e1e722b14f2640e2867888eb74c6c081d
sha512
9b6b7662663acac9bc35d7267550486578fb23a0117f481a67858f748258ffdcea9c93b4d6aac63c4d77e0f39bb6ee428d51628398df6054ad39d859bd4f2566
ripemd-160
f47649ab93208b0d8274acb7c088f9d9d0ea0767
Diameter
40202774
Circumference
126300739.45233
Area
1.2694100210587E+15
Volume
3.402253612664E+22
Surface area
5.0776400842349E+15
Circumference
126300739.45233
Perimeter
80405548
Area
404065759323769
Diagonal
28427654.11791
Surface area
2424394555942614
Volume
8.1222822016159E+21
Space diagonal
34816623.586605
Perimeter
60304161
Area
1.7496560618692E+14
Altitude
17408311.793302
Surface area
1.7496560618692E+14
Volume
9.5722013724557E+20
Height
9475884.7059701