30778909 is an odd 8-digits composite number following 30778908
and preceding 30778910 . In scientific notation, it is written as 3.0778909 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 26186328 positive integers (up to 30778909) that are relatively prime to 30778909.
30778909 has 12 divisors, whose sum is 36069600
The reverse of 30778909 is 90987703
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
thirty million seven hundred seventy-eight thousand nine hundred nine
Scientific notation
3.0778909 × 10^7
Engineering notation
3.0778909 × 10^6
Prime Factorization
7 × 7 × 139 × 4519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4396987
Product of the distinct prime numbers
The prime factorization of 30778909 is 7 × 7 × 139 × 4519.
Since it has a total of 4 prime factors.
9 , 10 , 78 , 91 , 849 , 640 , 8908 , 6208 , 39311 , 8590 , 111689 , 364940 , 2309818 , 3606604 , 91496444 , 82319363 , 964701529 , 235138392 , 5565949275 , 793523810
n×2
61557818
n×3
92336727
n×4
123115636
n×5
153894545
n÷2
15389454.5
n÷3
10259636.333333
n÷3
7694727.25
n÷5
6155781.8
n2
947341239230281
n3
2.9158129794216E+22
n4
8.9745542354636E+29
n5
2.762269881289E+37
2 √n
5547.874277595
3 √n
313.38947525271
4 √n
74.484053847753
5 √n
31.452172168759
1 , 7 , 49 , 139 , 973 , 4519 , 6811 , 31633 , 221431 , 628141 , 4396987 , 30778909
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30778908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30778909 can be divided by 12 positive divisors.
The sum of these divisors (counting 30778909) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101011010011000011101
3
Ternary
2010220201201121
4
Quaternary
1311122120131
5
Quinary
30334411114
6
Senary
3015410541
8
Octal
165323035
10
Decimal
30778909
12
Duodecimal
a383a51
16
Hexadecimal
1d5a61d
20
Vigesimal
9c7759
36
Base36
ibp5p
md5
17c20c27b9235c3611474bf9d59486d8
sha1
f3ab01f124ddac8ff41badd766110022645cdf5c
sha256
5a9e73e7a06ed655f99a4df6a856acf04bd946aa62cf968642e9b9e511621f31
sha512
406209493630c99b927d084462a0f7be1bcde61198dda1597aa81120c30bb4fcf4c11c089ced98675b93e3740ed25c279f85c7cc84c94384249c82e643cc3ed6
ripemd-160
c1b0fa9f32179ee6dc632866c2430899c7ed4a71
Diameter
61557818
Circumference
193389588.79982
Area
2.9761602776085E+15
Volume
1.221372884719E+23
Surface area
1.1904641110434E+16
Circumference
193389588.79982
Perimeter
123115636
Area
947341239230281
Diagonal
43527950.542847
Surface area
5684047435381686
Volume
2.9158129794216E+22
Space diagonal
53310634.189539
Perimeter
92336727
Area
4.1021078961303E+14
Altitude
26655317.094769
Surface area
4.1021078961303E+14
Volume
3.4363185507013E+21
Height
14509316.847616