201287721 is an odd 9-digits composite number following 201287720
and preceding 201287722 . In scientific notation, it is written as 2.01287721 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 134153712 positive integers (up to 201287721) that are relatively prime to 201287721.
201287721 has 8 divisors, whose sum is 268459840
The reverse of 201287721 is 127782102
Previous prime number is 4663
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred one million two hundred eighty-seven thousand seven hundred twenty-one
Scientific notation
2.01287721 × 10^8
Engineering notation
2.01287721 × 10^6
Prime Factorization
3 × 4663 × 14389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201287721
Product of the distinct prime numbers
The prime factorization of 201287721 is 3 × 4663 × 14389.
Since it has a total of 3 prime factors.
8 , 6 , 26 , 99 , 321 , 62 , 3778 , 4235 , 41193 , 51140 , 145683 , 819067 , 9519400 , 9412568 , 42979483 , 20750332 , 83453742 , 381888882 , 9974706438 , 8774417131
n×2
402575442
n×3
603863163
n×4
805150884
n×5
1006438605
n÷2
100643860.5
n÷3
67095907
n÷3
50321930.25
n÷5
40257544.2
n2
40516746625373841
n3
8.1555235905559E+24
n4
1.6416067571047E+33
n5
3.3043528291581E+41
2 √n
14187.590387377
3 √n
586.05596987411
4 √n
119.11167191916
5 √n
45.789242244913
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
-201287720
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 201287721 can be divided by 8 positive divisors.
The sum of these divisors (counting 201287721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011111111110110100000101001
3
Ternary
112000202110211210
4
Quaternary
23333312200221
5
Quinary
403012201341
6
Senary
31550143333
8
Octal
1377664051
10
Decimal
201287721
12
Duodecimal
574b1b49
16
Hexadecimal
bff6829
20
Vigesimal
32i0j61
36
Base36
3buall
md5
9ad6d2ce22ee1ab2ff289fd98bfab3b4
sha1
f14b2f60cb10884e2963d0d2c059c5ec696db787
sha256
d26fe8e764487165a00962fb74e97b12522593caf53456b7b061a51c6df2194c
sha512
9f37ab38f92de6186b30a2f1072b8f9209927fd02c19f92a481f86ae3c31adf91a323acca59e2ba06f4f846425cc6047a01ae09123b15cc6c5371a0a9ef2c0d4
ripemd-160
6d976b6577beeb7f82a0f18e31b789c10748ac90
Diameter
402575442
Circumference
1264728051.1029
Area
1.2728711354563E+17
Volume
3.4161777331025E+25
Surface area
5.0914845418253E+17
Circumference
1264728051.1029
Perimeter
805150884
Area
40516746625373841
Diagonal
284663824.97737
Surface area
243100479752243046
Volume
8.1555235905559E+24
Space diagonal
348640559.71175
Perimeter
603863163
Area
1.7544265928136E+16
Altitude
174320279.85587
Surface area
1.7544265928136E+16
Volume
9.6113767250149E+23
Height
94887941.659124