30897778 is an even 8-digits composite number following 30897777
and preceding 30897779 . In scientific notation, it is written as 3.0897778 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 15441024 positive integers (up to 30897778) that are relatively prime to 30897778.
30897778 has 8 divisors, whose sum is 46370268
The reverse of 30897778 is 87779803
Previous prime number is 3793
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
thirty million eight hundred ninety-seven thousand seven hundred seventy-eight
Scientific notation
3.0897778 × 10^7
Engineering notation
3.0897778 × 10^6
Prime Factorization
2 × 3793 × 4073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30897778
Product of the distinct prime numbers
The prime factorization of 30897778 is 2 × 3793 × 4073.
Since it has a total of 3 prime factors.
8 , 4 , 78 , 74 , 603 , 487 , 3722 , 5390 , 49200 , 37798 , 709620 , 99707 , 8405591 , 8527893 , 33338743 , 28749603 , 737122899 , 135861675 , 9707152059 , 6939886098
n×2
61795556
n×3
92693334
n×4
123591112
n×5
154488890
n÷2
15448889
n÷3
10299259.333333
n÷3
7724444.5
n÷5
6179555.6
n2
954672685337284
n3
2.9497264694215E+22
n4
9.113999361291E+29
n5
2.8160232895731E+37
2 √n
5558.5769761694
3 √n
313.79239661356
4 √n
74.555864800627
5 √n
31.476428558312
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30897777
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30897778 can be divided by 8 positive divisors.
The sum of these divisors (counting 30897778) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101110111011001110010
3
Ternary
2011010202210011
4
Quaternary
1311313121302
5
Quinary
30402212103
6
Senary
3022125134
8
Octal
165673162
10
Decimal
30897778
12
Duodecimal
a4207aa
16
Hexadecimal
1d77672
20
Vigesimal
9d248i
36
Base36
ie8vm
md5
fb4c5c412417eb2261e483fead05846a
sha1
2d612b34576c70608967f2b54c17ca7c65261aef
sha256
6189aca35ebe235161c0178daaf96a3af97a327b5f37e0b044f9028f003c79ad
sha512
7d901a9444601624fea08a5e887b9943fdf79dca824a907fb585f961857aea7125c37ab079a3b474cb49e55e6c8f735e52e4ea52fa29f1fef6b6390fd9693bf3
ripemd-160
06ba6b2567b45a082b574fbb6b65781cfb81c426
Diameter
61795556
Circumference
194136464.7541
Area
2.9991926948385E+15
Volume
1.2355785341912E+23
Surface area
1.1996770779354E+16
Circumference
194136464.7541
Perimeter
123591112
Area
954672685337284
Diagonal
43696056.694793
Surface area
5728036112023704
Volume
2.9497264694215E+22
Space diagonal
53516521.336984
Perimeter
92693334
Area
4.133853989006E+14
Altitude
26758260.668492
Surface area
4.133853989006E+14
Volume
3.4762859819557E+21
Height
14565352.231598