30856720 is an even 8-digits composite number following 30856719
and preceding 30856721 . In scientific notation, it is written as 3.0856720 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 12342656 positive integers (up to 30856720) that are relatively prime to 30856720.
30856720 has 20 divisors, whose sum is 71742060
The reverse of 30856720 is 02765803
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty million eight hundred fifty-six thousand seven hundred twenty
Scientific notation
3.0856720 × 10^7
Engineering notation
3.0856720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 385709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3857090
Product of the distinct prime numbers
The prime factorization of 30856720 is 2 × 2 × 2 × 2 × 5 × 385709.
Since it has a total of 6 prime factors.
10 , 6 , 54 , 82 , 453 , 858 , 5179 , 1301 , 66318 , 16332 , 26088 , 198023 , 2296824 , 3887902 , 13719395 , 19752655 , 919344987 , 758132273 , 7736412073 , 2193031688
n×2
61713440
n×3
92570160
n×4
123426880
n×5
154283600
n÷2
15428360
n÷3
10285573.333333
n÷3
7714180
n÷5
6171344
n2
952137169158400
n3
2.9379830030313E+22
n4
9.0656518889297E+29
n5
2.7973628195418E+37
2 √n
5554.8825370119
3 √n
313.65334239425
4 √n
74.531084367611
5 √n
31.468058722241
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 385709 , 771418 , 1542836 , 1928545 , 3085672 , 3857090 , 6171344 , 7714180 , 15428360 , 30856720
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30856719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30856720 can be divided by 20 positive divisors.
The sum of these divisors (counting 30856720) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110101101101011000010000
3
Ternary
2011001200110111
4
Quaternary
1311231120100
5
Quinary
30344403340
6
Senary
3021211104
8
Octal
165553020
10
Decimal
30856720
12
Duodecimal
a400a94
16
Hexadecimal
1d6d610
20
Vigesimal
9ch1g0
36
Base36
idd74
md5
984ebf71b5b209a8470d20880986f147
sha1
a829f5e63895ecb2c82d2f2840fa363ab170eba5
sha256
7e0c0a570d3aba5dfe73598d82875a7fa3d337895e73d642e066d653bee004ae
sha512
b09d179b2615acc08a4eefd41a2566d0034d9fbc41138fff0864e51c25b2ee72f7ecbcac486c64013acbe60fe84f2f13a3590e36a34b4d556240ef190e8dbe00
ripemd-160
95c60ebdd5409936b96a03920dc8ae81b2997547
Diameter
61713440
Circumference
193878489.73175
Area
2.9912271358378E+15
Volume
1.2306594424927E+23
Surface area
1.1964908543351E+16
Circumference
193878489.73175
Perimeter
123426880
Area
952137169158400
Diagonal
43637991.914349
Surface area
5712823014950400
Volume
2.9379830030313E+22
Space diagonal
53445406.794927
Perimeter
92570160
Area
4.1228748818929E+14
Altitude
26722703.397463
Surface area
4.1228748818929E+14
Volume
3.4624461740905E+21
Height
14545997.304783