30721834 is an even 8-digits composite number following 30721833
and preceding 30721835 . In scientific notation, it is written as 3.0721834 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 12888720 positive integers (up to 30721834) that are relatively prime to 30721834.
30721834 has 16 divisors, whose sum is 50575680
The reverse of 30721834 is 43812703
Previous prime number is 169
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty million seven hundred twenty-one thousand eight hundred thirty-four
Scientific notation
3.0721834 × 10^7
Engineering notation
3.0721834 × 10^6
Prime Factorization
2 × 11 × 169 × 8263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30721834
Product of the distinct prime numbers
The prime factorization of 30721834 is 2 × 11 × 169 × 8263.
Since it has a total of 4 prime factors.
10 , 1 , 38 , 4 , 827 , 853 , 1608 , 6126 , 40564 , 71205 , 566143 , 666180 , 8802175 , 9339023 , 78507036 , 55537139 , 462170595 , 454664164 , 5814456722 , 5185378153
n×2
61443668
n×3
92165502
n×4
122887336
n×5
153609170
n÷2
15360917
n÷3
10240611.333333
n÷3
7680458.5
n÷5
6144366.8
n2
943831084323556
n3
2.8996221896628E+22
n4
8.9081711573538E+29
n5
2.7367535553981E+37
2 √n
5542.7280286877
3 √n
313.19564369314
4 √n
74.449499855188
5 √n
31.440498813249
1 , 2 , 11 , 22 , 169 , 338 , 1859 , 3718 , 8263 , 16526 , 90893 , 181786 , 1396447 , 2792894 , 15360917 , 30721834
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
-30721833
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 30721834 can be divided by 16 positive divisors.
The sum of these divisors (counting 30721834) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101001100011100101010
3
Ternary
2010210211102201
4
Quaternary
1311030130222
5
Quinary
30331044314
6
Senary
3014250414
8
Octal
165143452
10
Decimal
30721834
12
Duodecimal
a356a0a
16
Hexadecimal
1d4c72a
20
Vigesimal
9c04be
36
Base36
iah4a
md5
e284af82e450cdc31adfb3251f1d20a5
sha1
cd1bfbd61d68cbe759bf326889e2733ba7519449
sha256
d941185db1c97db08a2c8901f38e44d486ea5125095720efe6d45e3ef48bbd12
sha512
10ae038b35c0480b0a52137e3512b40bcde4233cf3ff2ba51cead1ed2b9867411ba477a8cbf3cc56884175dae636afc87b524296476115336c3a0c41f5b741a9
ripemd-160
1d733386272ecc8d10204b8a74be6ae1aabe4f5a
Diameter
61443668
Circumference
193030975.99841
Area
2.9651328007406E+15
Volume
1.2145909025641E+23
Surface area
1.1860531202962E+16
Circumference
193030975.99841
Perimeter
122887336
Area
943831084323556
Diagonal
43447234.303775
Surface area
5662986505941336
Volume
2.8996221896628E+22
Space diagonal
53211777.389697
Perimeter
92165502
Area
4.0869084795281E+14
Altitude
26605888.694848
Surface area
4.0869084795281E+14
Volume
3.4172375219826E+21
Height
14482411.434592