30687621 is an odd 8-digits composite number following 30687620
and preceding 30687622 . In scientific notation, it is written as 3.0687621 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 20458412 positive integers (up to 30687621) that are relatively prime to 30687621.
30687621 has 4 divisors, whose sum is 40916832
The reverse of 30687621 is 12678603
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty million six hundred eighty-seven thousand six hundred twenty-one
Scientific notation
3.0687621 × 10^7
Engineering notation
3.0687621 × 10^6
Prime Factorization
3 × 10229207
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30687621
Product of the distinct prime numbers
The prime factorization of 30687621 is 3 × 10229207.
Since it has a total of 2 prime factors.
10 , 4 , 74 , 49 , 934 , 112 , 3763 , 4347 , 78737 , 29381 , 723362 , 605598 , 4872731 , 6573028 , 793559 , 81749253 , 863792214 , 813891679 , 2359206159 , 8615810508
n×2
61375242
n×3
92062863
n×4
122750484
n×5
153438105
n÷2
15343810.5
n÷3
10229207
n÷3
7671905.25
n÷5
6137524.2
n2
941730082639641
n3
2.8899455860344E+22
n4
8.8685554854847E+29
n5
2.7215486955602E+37
2 √n
5539.6408728364
3 √n
313.07933832437
4 √n
74.428763746528
5 √n
31.433493025309
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
-30687620
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 30687621 can be divided by 4 positive divisors.
The sum of these divisors (counting 30687621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101000100000110000101
3
Ternary
2010202002111120
4
Quaternary
1311010012011
5
Quinary
30324000441
6
Senary
3013424153
8
Octal
165040605
10
Decimal
30687621
12
Duodecimal
a33b059
16
Hexadecimal
1d44185
20
Vigesimal
9bfj11
36
Base36
i9qpx
md5
33e681bfced799db240e4056e95d8ac7
sha1
3d402c84bc6cb38f1a0c5c5607352294891c4943
sha256
10b1e7972197212b5665bec91ede014b165cc76941d79470f0438ed234fea985
sha512
aa5d9eed43b2e978fd0a4484528e4e70e363e50d2ce2c449a8e6ff2c69610aadb1f25a8aaa5f831a10d09429821b4c4d6b604364a33ba7ed83b7b20aa904025d
ripemd-160
13ccb9117b81ae2336c230d1ebef15a69235cf26
Diameter
61375242
Circumference
192816009.3795
Area
2.9585323092852E+15
Volume
1.2105375763147E+23
Surface area
1.1834129237141E+16
Circumference
192816009.3795
Perimeter
122750484
Area
941730082639641
Diagonal
43398849.815165
Surface area
5650380495837846
Volume
2.8899455860344E+22
Space diagonal
53152518.735418
Perimeter
92062863
Area
4.0778108753697E+14
Altitude
26576259.367709
Surface area
4.0778108753697E+14
Volume
3.4058335352418E+21
Height
14466283.271722