30798978 is an even 8-digits composite number following 30798977
and preceding 30798979 . In scientific notation, it is written as 3.0798978 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 8416848 positive integers (up to 30798978) that are relatively prime to 30798978.
30798978 has 16 divisors, whose sum is 50504256
The reverse of 30798978 is 87989703
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
thirty million seven hundred ninety-eight thousand nine hundred seventy-eight
Scientific notation
3.0798978 × 10^7
Engineering notation
3.0798978 × 10^6
Prime Factorization
2 × 21 × 23 × 31883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30798978
Product of the distinct prime numbers
The prime factorization of 30798978 is 2 × 21 × 23 × 31883.
Since it has a total of 4 prime factors.
3 , 1 , 98 , 56 , 231 , 93 , 3332 , 2424 , 26306 , 17199 , 327080 , 633204 , 7043447 , 2856169 , 86086273 , 82440159 , 58912029 , 925780520 , 7799833250 , 2995381402
n×2
61597956
n×3
92396934
n×4
123195912
n×5
153994890
n÷2
15399489
n÷3
10266326
n÷3
7699744.5
n÷5
6159795.6
n2
948577045844484
n3
2.9215203566269E+22
n4
8.9979841190305E+29
n5
2.7712871492637E+37
2 √n
5549.6826936321
3 √n
313.45757434069
4 √n
74.496192477415
5 √n
31.456272697973
1 , 2 , 21 , 23 , 42 , 46 , 483 , 966 , 31883 , 63766 , 669543 , 733309 , 1339086 , 1466618 , 15399489 , 30798978
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
-30798977
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 30798978 can be divided by 16 positive divisors.
The sum of these divisors (counting 30798978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101011111010010000010
3
Ternary
2010221202020220
4
Quaternary
1311133102002
5
Quinary
30341031403
6
Senary
3020043510
8
Octal
165372202
10
Decimal
30798978
12
Duodecimal
a393596
16
Hexadecimal
1d5f482
20
Vigesimal
9c9h8i
36
Base36
ic4n6
md5
999f52abf559cae61111cee8b21f1b62
sha1
a5ba760e29183b6cee78e7d8249fdc54f35c4870
sha256
df3bee438d7a592d842e81a2e4385e4299b458a9edbc45c79727fa4cad8a0512
sha512
805732f087ab4efcbb86197f1ea09203350b53ecf40f9768bdff1c7517cf0f132fd8a116a67be92ff75e7ada29df185ba0921bcd0085fb293599de52824de333
ripemd-160
337d145147a468d69c9cb3e290b1ad97cf227982
Diameter
61597956
Circumference
193515686.04575
Area
2.9800426785889E+15
Volume
1.2237635852923E+23
Surface area
1.1920170714356E+16
Circumference
193515686.04575
Perimeter
123195912
Area
948577045844484
Diagonal
43556332.394831
Surface area
5691462275066904
Volume
2.9215203566269E+22
Space diagonal
53345394.717196
Perimeter
92396934
Area
4.1074590957406E+14
Altitude
26672697.358598
Surface area
4.1074590957406E+14
Volume
3.4430447592424E+21
Height
14518777.464944