30921609 is an odd 8-digits composite number following 30921608
and preceding 30921610 . In scientific notation, it is written as 3.0921609 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 20421536 positive integers (up to 30921609) that are relatively prime to 30921609.
30921609 has 8 divisors, whose sum is 41614560
The reverse of 30921609 is 90612903
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty million nine hundred twenty-one thousand six hundred nine
Scientific notation
3.0921609 × 10^7
Engineering notation
3.0921609 × 10^6
Prime Factorization
3 × 107 × 96329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30921609
Product of the distinct prime numbers
The prime factorization of 30921609 is 3 × 107 × 96329.
Since it has a total of 3 prime factors.
2 , 5 , 24 , 99 , 787 , 322 , 7601 , 9587 , 56812 , 22904 , 56024 , 766366 , 6215027 , 952270 , 93323348 , 92257273 , 847826473 , 367755670 , 2422886378 , 8322243078
n×2
61843218
n×3
92764827
n×4
123686436
n×5
154608045
n÷2
15460804.5
n÷3
10307203
n÷3
7730402.25
n÷5
6184321.8
n2
956145903148881
n3
2.9565569764122E+22
n4
9.1421498810839E+29
n5
2.8268998404227E+37
2 √n
5560.72018717
3 √n
313.87305036234
4 √n
74.570236603956
5 √n
31.481282521953
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
-30921608
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 30921609 can be divided by 8 positive divisors.
The sum of these divisors (counting 30921609) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101111101001110001001
3
Ternary
2011011222110210
4
Quaternary
1311331032021
5
Quinary
30403442414
6
Senary
3022431333
8
Octal
165751611
10
Decimal
30921609
12
Duodecimal
a432549
16
Hexadecimal
1d7d389
20
Vigesimal
9d5409
36
Base36
ier9l
md5
768c92d5fb2ac7dd25c62e62f7ece8f8
sha1
e5616a4c27f59b97918450c2272429d2c0298f7b
sha256
06373cfc63db46e0c85d71705b4e73e3a5adc4a6489ae11ef27f10bcb69c966d
sha512
2092af1c5c4a28214b53e8e62a7e4d2307f76b48313136788cffc73b1a887b20e52e3e36500b43f033aee8229c70dea88587aa6126a08f9da34dd3c1661342ed
ripemd-160
31adb31104b5eb9b09f817b4a846239e1b96a058
Diameter
61843218
Circumference
194286199.34315
Area
3.0038209450925E+15
Volume
1.2384396902688E+23
Surface area
1.201528378037E+16
Circumference
194286199.34315
Perimeter
123686436
Area
956145903148881
Diagonal
43729758.818198
Surface area
5736875418893286
Volume
2.9565569764122E+22
Space diagonal
53557797.839779
Perimeter
92764827
Area
4.1402332092567E+14
Altitude
26778898.91989
Surface area
4.1402332092567E+14
Volume
3.4843358116424E+21
Height
14576586.272733