30970905 is an odd 8-digits composite number following 30970904
and preceding 30970906 . In scientific notation, it is written as 3.0970905 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 14048256 positive integers (up to 30970905) that are relatively prime to 30970905.
30970905 has 16 divisors, whose sum is 38048256
The reverse of 30970905 is 50907903
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty million nine hundred seventy thousand nine hundred five
Scientific notation
3.0970905 × 10^7
Engineering notation
3.0970905 × 10^6
Prime Factorization
15 × 7 × 137 × 2153
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30970905
Product of the distinct prime numbers
The prime factorization of 30970905 is 15 × 7 × 137 × 2153.
Since it has a total of 4 prime factors.
10 , 8 , 66 , 32 , 603 , 719 , 1482 , 2279 , 10318 , 94708 , 437990 , 131748 , 8587685 , 6622369 , 61425300 , 65661625 , 661786134 , 45999154 , 2943338424 , 881562590
n×2
61941810
n×3
92912715
n×4
123883620
n×5
154854525
n÷2
15485452.5
n÷3
10323635
n÷3
7742726.25
n÷5
6194181
n2
959196956519025
n3
2.970719781664E+22
n4
9.2005880139536E+29
n5
2.849505373243E+37
2 √n
5565.1509413492
3 √n
314.03975655208
4 √n
74.599939285158
5 √n
31.491313776257
1 , 7 , 15 , 105 , 137 , 959 , 2055 , 2153 , 14385 , 15071 , 32295 , 226065 , 294961 , 2064727 , 4424415 , 30970905
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
-30970904
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 30970905 can be divided by 16 positive divisors.
The sum of these divisors (counting 30970905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110001001010000011001
3
Ternary
2011021111002120
4
Quaternary
1312021100121
5
Quinary
30412032110
6
Senary
3023451453
8
Octal
166112031
10
Decimal
30970905
12
Duodecimal
a456b89
16
Hexadecimal
1d89419
20
Vigesimal
9db755
36
Base36
iftax
md5
2301f64486408a426c02af02b11ba608
sha1
8516f1d58e1d4dd830bc45308d68dae510712a8b
sha256
72ebcfcab166273c60525b192d16b4632babfd00d3be9edd9b802ad3d26ad213
sha512
873a9c7fb813e494ca29a3908c6f844ba71aed81621db311f759dd97701f08b7ea8b9a63d51f4dd902168312dea90e2627672a01cf76bb8dc59d55190a29b800
ripemd-160
245f5930a83911f74e1fc03f3737f940fc667f2a
Diameter
61941810
Circumference
194595935.24605
Area
3.0134061119459E+15
Volume
1.2443721922599E+23
Surface area
1.2053624447783E+16
Circumference
194595935.24605
Perimeter
123883620
Area
959196956519025
Diagonal
43799473.889969
Surface area
5755181739114150
Volume
2.970719781664E+22
Space diagonal
53643181.016389
Perimeter
92912715
Area
4.153444657891E+14
Altitude
26821590.508194
Surface area
4.153444657891E+14
Volume
3.5010268376994E+21
Height
14599824.62999