30921858 is an even 8-digits composite number following 30921857
and preceding 30921859 . In scientific notation, it is written as 3.0921858 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 9370080 positive integers (up to 30921858) that are relatively prime to 30921858.
30921858 has 16 divisors, whose sum is 53099160
The reverse of 30921858 is 85812903
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty million nine hundred twenty-one thousand eight hundred fifty-eight
Scientific notation
3.0921858 × 10^7
Engineering notation
3.0921858 × 10^6
Prime Factorization
2 × 33 × 9 × 52057
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30921858
Product of the distinct prime numbers
The prime factorization of 30921858 is 2 × 33 × 9 × 52057.
Since it has a total of 4 prime factors.
8 , 4 , 14 , 47 , 515 , 924 , 9899 , 5846 , 73921 , 2113 , 276083 , 357752 , 5230304 , 5244346 , 25512775 , 74981214 , 740039420 , 330466961 , 8026773480 , 2961186301
n×2
61843716
n×3
92765574
n×4
123687432
n×5
154609290
n÷2
15460929
n÷3
10307286
n÷3
7730464.5
n÷5
6184371.6
n2
956161302172164
n3
2.9566284010863E+22
n4
9.1424443577157E+29
n5
2.8270136620219E+37
2 √n
5560.7425763112
3 √n
313.87389286032
4 √n
74.570386724967
5 √n
31.481333223157
1 , 2 , 9 , 18 , 33 , 66 , 297 , 594 , 52057 , 104114 , 468513 , 937026 , 1717881 , 3435762 , 15460929 , 30921858
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30921857
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30921858 can be divided by 16 positive divisors.
The sum of these divisors (counting 30921858) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101111101010010000010
3
Ternary
2011011222211000
4
Quaternary
1311331102002
5
Quinary
30403444413
6
Senary
3022432430
8
Octal
165752202
10
Decimal
30921858
12
Duodecimal
a432716
16
Hexadecimal
1d7d482
20
Vigesimal
9d54ci
36
Base36
iergi
md5
238601e25e793a5c94f1c45564553c37
sha1
353b5217660fde0702a14879601fb4ec32ca05f2
sha256
9aa8ea66ec1a8b53b09ea142b77236a5258213ca9d7d171aafd71267046bbd36
sha512
3256b72530fe145eba7eedbef30e5947e83c8a274e76ceefc785752416a9f67d7d678cbe592b75a8dc94f9b6c4d147d741272849631a07647dac6ae5456e4265
ripemd-160
0efbf5cd51426284138b453ef36ab8163165b04c
Diameter
61843716
Circumference
194287763.85629
Area
3.0038693225509E+15
Volume
1.2384696085663E+23
Surface area
1.2015477290204E+16
Circumference
194287763.85629
Perimeter
123687432
Area
956161302172164
Diagonal
43730110.957375
Surface area
5736967813032984
Volume
2.9566284010863E+22
Space diagonal
53558229.12043
Perimeter
92765574
Area
4.1402998889835E+14
Altitude
26779114.560215
Surface area
4.1402998889835E+14
Volume
3.4844199864281E+21
Height
14576703.652458