30890745 is an odd 8-digits composite number following 30890744
and preceding 30890746 . In scientific notation, it is written as 3.0890745 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 16028928 positive integers (up to 30890745) that are relatively prime to 30890745.
30890745 has 16 divisors, whose sum is 45123328
The reverse of 30890745 is 54709803
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty million eight hundred ninety thousand seven hundred forty-five
Scientific notation
3.0890745 × 10^7
Engineering notation
3.0890745 × 10^6
Prime Factorization
3 × 15 × 37 × 18553
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30890745
Product of the distinct prime numbers
The prime factorization of 30890745 is 3 × 15 × 37 × 18553.
Since it has a total of 4 prime factors.
4 , 1 , 64 , 4 , 51 , 628 , 5809 , 396 , 62035 , 35743 , 210828 , 525368 , 7519178 , 7267054 , 83609312 , 70645204 , 878180469 , 601594645 , 6872833501 , 7614829906
n×2
61781490
n×3
92672235
n×4
123562980
n×5
154453725
n÷2
15445372.5
n÷3
10296915
n÷3
7722686.25
n÷5
6178149
n2
954238126655025
n3
2.9477126639778E+22
n4
9.1057040236209E+29
n5
2.8128198103915E+37
2 √n
5557.9443142227
3 √n
313.76858617006
4 √n
74.551621808131
5 √n
31.474995485159
1 , 3 , 15 , 37 , 45 , 111 , 555 , 1665 , 18553 , 55659 , 278295 , 686461 , 834885 , 2059383 , 10296915 , 30890745
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
-30890744
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 30890745 can be divided by 16 positive divisors.
The sum of these divisors (counting 30890745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101110101101011111001
3
Ternary
2011010102010200
4
Quaternary
1311311223321
5
Quinary
30402000440
6
Senary
3022032413
8
Octal
165655371
10
Decimal
30890745
12
Duodecimal
a418709
16
Hexadecimal
1d75af9
20
Vigesimal
9d16h5
36
Base36
ie3g9
md5
988875a8db27df8b0ade2e337d00e6b6
sha1
b0795a1f515894a1324ddf6542c2b624e5f636c4
sha256
eee6ed877c87844013a8e0713c172cdf90ad6676035b0d0b5194869ba8e88cfa
sha512
e8e9f76a498b6a9d6a39c6e5c7937173f86d87f8470e53ee478eebf4d58b556a6544b783fe834d857a7a89a4dbcebe5601a673c491e08c964cccbc96c3c047ca
ripemd-160
1cbeffebebf9f6df295698ceac06243802e21411
Diameter
61781490
Circumference
194092275.11183
Area
2.9978274884747E+15
Volume
1.2347349933395E+23
Surface area
1.1991309953899E+16
Circumference
194092275.11183
Perimeter
123562980
Area
954238126655025
Diagonal
43686110.530809
Surface area
5725428759930150
Volume
2.9477126639778E+22
Space diagonal
53504339.823654
Perimeter
92672235
Area
4.1319722947146E+14
Altitude
26752169.911827
Surface area
4.1319722947146E+14
Volume
3.4739126894803E+21
Height
14562036.843603