30781189 is an odd 8-digits prime number following 30781188
and preceding 30781190 . In scientific notation, it is written as 3.0781189 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 30781188 positive integers (up to 30781189) that are relatively prime to 30781189.
30781189 has 2 divisors, whose sum is 30781190
The reverse of 30781189 is 98118703
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty million seven hundred eighty-one thousand one hundred eighty-nine
Scientific notation
3.0781189 × 10^7
Engineering notation
3.0781189 × 10^6
Prime Factorization
30781189
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
30781189
Product of the distinct prime numbers
The prime factorization of 30781189 is 30781189.
Since it has a total of 1 prime factors.
2 , 8 , 95 , 63 , 981 , 597 , 8086 , 5031 , 27952 , 30868 , 179719 , 194116 , 9322293 , 2624485 , 8015095 , 67367093 , 259610193 , 163928012 , 3269154113 , 1282548196
n×2
61562378
n×3
92343567
n×4
123124756
n×5
153905945
n÷2
15390594.5
n÷3
10260396.333333
n÷3
7695297.25
n÷5
6156237.8
n2
947481596253721
n3
2.9164610088307E+22
n4
8.977213752395E+29
n5
2.7632931320587E+37
2 √n
5548.0797578982
3 √n
313.39721334766
4 √n
74.48543319266
5 √n
31.452638129575
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
30781190
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15390595
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5548.0798480195
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999350253
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30781189 can be divided by 2 positive divisors.
The sum of these divisors (counting 30781189) is 30781190, the average is 15390595.
Base
System
Value
2
Binary
1110101011010111100000101
3
Ternary
2010220211212001
4
Quaternary
1311122330011
5
Quinary
30334444224
6
Senary
3015425301
8
Octal
165327405
10
Decimal
30781189
12
Duodecimal
a385231
16
Hexadecimal
1d5af05
20
Vigesimal
9c7cj9
36
Base36
ibqx1
md5
f52705b46b84314928d7330c587259d7
sha1
493c100c40e39e12d290288c56f767df10ef5d91
sha256
e097812e50066eae09919e0d27c17b5e0024098c872d54d64d98250bca7f0ffc
sha512
001cfe8ea66bf587864addaa5db4cccbceeb0f40cb809e422324aedc494198d62b188cfbfc8ef53a476a45d2985c86c5fef6be42e014793d659b003967e15460
ripemd-160
aff9764b8df0984bb3d71c7ea938d1e9898fc175
Diameter
61562378
Circumference
193403914.46232
Area
2.9766012222022E+15
Volume
1.2216443306432E+23
Surface area
1.1906404888809E+16
Circumference
193403914.46232
Perimeter
123124756
Area
947481596253721
Diagonal
43531174.94977
Surface area
5684889577522326
Volume
2.9164610088307E+22
Space diagonal
53314583.26538
Perimeter
92343567
Area
4.1027156598698E+14
Altitude
26657291.63269
Surface area
4.1027156598698E+14
Volume
3.437082260684E+21
Height
14510391.649923