30721888 is an even 8-digits composite number following 30721887
and preceding 30721889 . In scientific notation, it is written as 3.0721888 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 12 positive divisors.
There are 15360928 positive integers (up to 30721888) that are relatively prime to 30721888.
30721888 has 12 divisors, whose sum is 60483780
The reverse of 30721888 is 88812703
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty million seven hundred twenty-one thousand eight hundred eighty-eight
Scientific notation
3.0721888 × 10^7
Engineering notation
3.0721888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 960059
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1920118
Product of the distinct prime numbers
The prime factorization of 30721888 is 2 × 2 × 2 × 2 × 2 × 960059.
Since it has a total of 6 prime factors.
5 , 6 , 41 , 96 , 675 , 686 , 2484 , 7924 , 63586 , 93724 , 966027 , 277686 , 9799101 , 1129931 , 93460386 , 12717191 , 918082931 , 30545458 , 2109541664 , 4206994160
n×2
61443776
n×3
92165664
n×4
122887552
n×5
153609440
n÷2
15360944
n÷3
10240629.333333
n÷3
7680472
n÷5
6144377.6
n2
943834402284544
n3
2.8996374797533E+22
n4
8.9082337893582E+29
n5
2.7367776075448E+37
2 √n
5542.732899933
3 √n
313.19582719515
4 √n
74.449532570279
5 √n
31.440509865882
1 , 2 , 4 , 8 , 16 , 32 , 960059 , 1920118 , 3840236 , 7680472 , 15360944 , 30721888
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30721887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30721888 can be divided by 12 positive divisors.
The sum of these divisors (counting 30721888) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101001100011101100000
3
Ternary
2010210211111201
4
Quaternary
1311030131200
5
Quinary
30331100023
6
Senary
3014250544
8
Octal
165143540
10
Decimal
30721888
12
Duodecimal
a356a54
16
Hexadecimal
1d4c760
20
Vigesimal
9c04e8
36
Base36
iah5s
md5
83f5bfc515cd20747b89aa8935377f1f
sha1
c95c7d22a548d76b2ab52957a17680d7595c16bc
sha256
4e1ed112ba51ad7a92b84806928f1be266659cbf0b5733e6a73feec48c606c08
sha512
2c8cf383f1492cb1c184bb02420ee5a31c2662690c03733ceb485689996736d0ec740346cbb92972402258febba4b06e56065b443cb07e72016b98ed05855f60
ripemd-160
7180c99643c1d5a78ad23d6de18208c62059369f
Diameter
61443776
Circumference
193031315.29042
Area
2.9651432244224E+15
Volume
1.2145973072622E+23
Surface area
1.186057289769E+16
Circumference
193031315.29042
Perimeter
122887552
Area
943834402284544
Diagonal
43447310.671307
Surface area
5663006413707264
Volume
2.8996374797533E+22
Space diagonal
53211870.920441
Perimeter
92165664
Area
4.0869228467206E+14
Altitude
26605935.46022
Surface area
4.0869228467206E+14
Volume
3.417255541527E+21
Height
14482436.890436