30721873 is an odd 8-digits composite number following 30721872
and preceding 30721874 . In scientific notation, it is written as 3.0721873 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 22869504 positive integers (up to 30721873) that are relatively prime to 30721873.
30721873 has 16 divisors, whose sum is 35758800
The reverse of 30721873 is 37812703
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty million seven hundred twenty-one thousand eight hundred seventy-three
Scientific notation
3.0721873 × 10^7
Engineering notation
3.0721873 × 10^6
Prime Factorization
49 × 13 × 17 × 2837
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30721873
Product of the distinct prime numbers
The prime factorization of 30721873 is 49 × 13 × 17 × 2837.
Since it has a total of 4 prime factors.
5 , 7 , 28 , 27 , 471 , 699 , 8461 , 5725 , 31587 , 10762 , 963011 , 803647 , 933830 , 6021883 , 51860317 , 92984852 , 731194233 , 896495526 , 2932558769 , 5580904259
n×2
61443746
n×3
92165619
n×4
122887492
n×5
153609365
n÷2
15360936.5
n÷3
10240624.333333
n÷3
7680468.25
n÷5
6144374.6
n2
943833480628129
n3
2.8996332325005E+22
n4
8.9082163915461E+29
n5
2.736770926376E+37
2 √n
5542.7315468097
3 √n
313.19577622239
4 √n
74.449523482758
5 √n
31.440506795708
1 , 13 , 17 , 49 , 221 , 637 , 833 , 2837 , 10829 , 36881 , 48229 , 139013 , 626977 , 1807169 , 2363221 , 30721873
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
-30721872
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 30721873 can be divided by 16 positive divisors.
The sum of these divisors (counting 30721873) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101001100011101010001
3
Ternary
2010210211111011
4
Quaternary
1311030131101
5
Quinary
30331044443
6
Senary
3014250521
8
Octal
165143521
10
Decimal
30721873
12
Duodecimal
a356a41
16
Hexadecimal
1d4c751
20
Vigesimal
9c04dd
36
Base36
iah5d
md5
aba71201def92545b6a568749bc5a66e
sha1
901a90ef92d5a4131ea2316c2f6704536594fbfa
sha256
95f1dd7fa9ada9e5a184009e19a07ba03c448f025a54ae629316455136d3de34
sha512
6576b9a036d892284f0eac6f9413292dfdd3414f7576e764a9e83f118e2b4ee2b508e9b1de783ab68ded632a88e45d7b80e85a27daf45fdca9661cd1ee2b9ad1
ripemd-160
7f21cb1bc72df48f8c2e9d0a27ca29374e15f3e8
Diameter
61443746
Circumference
193031221.04264
Area
2.9651403289534E+15
Volume
1.2145955281771E+23
Surface area
1.1860561315814E+16
Circumference
193031221.04264
Perimeter
122887492
Area
943833480628129
Diagonal
43447289.458104
Surface area
5663000883768774
Volume
2.8996332325005E+22
Space diagonal
53211844.939678
Perimeter
92165619
Area
4.0869188558312E+14
Altitude
26605922.469839
Surface area
4.0869188558312E+14
Volume
3.4172505360917E+21
Height
14482429.819368