30721886 is an even 8-digits composite number following 30721885
and preceding 30721887 . In scientific notation, it is written as 3.0721886 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 14179320 positive integers (up to 30721886) that are relatively prime to 30721886.
30721886 has 8 divisors, whose sum is 49627704
The reverse of 30721886 is 68812703
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
thirty million seven hundred twenty-one thousand eight hundred eighty-six
Scientific notation
3.0721886 × 10^7
Engineering notation
3.0721886 × 10^6
Prime Factorization
2 × 13 × 1181611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30721886
Product of the distinct prime numbers
The prime factorization of 30721886 is 2 × 13 × 1181611.
Since it has a total of 3 prime factors.
2 , 2 , 45 , 90 , 768 , 463 , 6975 , 751 , 76924 , 92848 , 552387 , 806727 , 5405117 , 8176999 , 21766900 , 19489565 , 790612125 , 844400637 , 942826486 , 4940499852
n×2
61443772
n×3
92165658
n×4
122887544
n×5
153609430
n÷2
15360943
n÷3
10240628.666667
n÷3
7680471.5
n÷5
6144377.2
n2
943834279396996
n3
2.8996369134527E+22
n4
8.9082314696485E+29
n5
2.7367767167215E+37
2 √n
5542.7327195166
3 √n
313.19582039879
4 √n
74.44953135861
5 √n
31.440509456526
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
-30721885
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 30721886 can be divided by 8 positive divisors.
The sum of these divisors (counting 30721886) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101001100011101011110
3
Ternary
2010210211111122
4
Quaternary
1311030131132
5
Quinary
30331100021
6
Senary
3014250542
8
Octal
165143536
10
Decimal
30721886
12
Duodecimal
a356a52
16
Hexadecimal
1d4c75e
20
Vigesimal
9c04e6
36
Base36
iah5q
md5
cccd454d600bc4f0f42e25b887580b94
sha1
35db0e4e63b2cedca2c029c5e4d54e535afc8deb
sha256
18591f75f9478fbfa813c36cab9e05105abd98cbae665a276fadeb9c9ed08d89
sha512
7a7ac1fb73d79a6e240416450aea2d375f9de17dbc358881bd67804804d55621585f12b0374eb445e52ebb3754058e464779395630a8f2fe6f664ffcbd56e284
ripemd-160
2f0819f6535bcf57774efa5938d377b151b47f31
Diameter
61443772
Circumference
193031302.72405
Area
2.9651428383598E+15
Volume
1.2145970700508E+23
Surface area
1.1860571353439E+16
Circumference
193031302.72405
Perimeter
122887544
Area
943834279396996
Diagonal
43447307.84288
Surface area
5663005676381976
Volume
2.8996369134527E+22
Space diagonal
53211867.456339
Perimeter
92165658
Area
4.0869223146019E+14
Altitude
26605933.728169
Surface area
4.0869223146019E+14
Volume
3.4172548741354E+21
Height
14482435.947627