30797921 is an odd 8-digits composite number following 30797920
and preceding 30797922 . In scientific notation, it is written as 3.0797921 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 23997960 positive integers (up to 30797921) that are relatively prime to 30797921.
30797921 has 12 divisors, whose sum is 39083760
The reverse of 30797921 is 12979703
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty million seven hundred ninety-seven thousand nine hundred twenty-one
Scientific notation
3.0797921 × 10^7
Engineering notation
3.0797921 × 10^6
Prime Factorization
11 × 7 × 7 × 57139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4399703
Product of the distinct prime numbers
The prime factorization of 30797921 is 11 × 7 × 7 × 57139.
Since it has a total of 4 prime factors.
4 , 8 , 52 , 83 , 440 , 282 , 4038 , 3998 , 73132 , 83463 , 941200 , 811654 , 5307566 , 5401017 , 45498316 , 56887927 , 318908230 , 378711687 , 1394209254 , 3608826314
n×2
61595842
n×3
92393763
n×4
123191684
n×5
153989605
n÷2
15398960.5
n÷3
10265973.666667
n÷3
7699480.25
n÷5
6159584.2
n2
948511937922241
n3
2.9212195731686E+22
n4
8.9967489638101E+29
n5
2.7708116384425E+37
2 √n
5549.5874621453
3 √n
313.45398841601
4 √n
74.495553304511
5 √n
31.456056783427
1 , 7 , 11 , 49 , 77 , 539 , 57139 , 399973 , 628529 , 2799811 , 4399703 , 30797921
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
-30797920
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 30797921 can be divided by 12 positive divisors.
The sum of these divisors (counting 30797921) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101011111000001100001
3
Ternary
2010221200210202
4
Quaternary
1311133001201
5
Quinary
30341013141
6
Senary
3020034545
8
Octal
165370141
10
Decimal
30797921
12
Duodecimal
a392a55
16
Hexadecimal
1d5f061
20
Vigesimal
9c9eg1
36
Base36
ic3tt
md5
545105d67405f782d999843accbb5b6b
sha1
90df91139394223b24b7e5ca6e9d65adac01c776
sha256
007f134871a87ba25880c44f98ae8ed0733d8c87d09ed3ca50e01dc95ca0362d
sha512
8d9ebb7004cf8efcd80073a0a8f96f80557cd9641dcc4d2aa67cf26daa236dda9c6814fec62b9d563c6fe42e698629b3e8ce4356cff681343be8d74d8f03e58a
ripemd-160
7d8dbde0d58dea86d8cb6b3e3d09dc511ba4aae8
Diameter
61595842
Circumference
193509044.71888
Area
2.9798381360187E+15
Volume
1.2236375934119E+23
Surface area
1.1919352544075E+16
Circumference
193509044.71888
Perimeter
123191684
Area
948511937922241
Diagonal
43554837.571095
Surface area
5691071627533446
Volume
2.9212195731686E+22
Space diagonal
53343563.939492
Perimeter
92393763
Area
4.1071771701673E+14
Altitude
26671781.969746
Surface area
4.1071771701673E+14
Volume
3.4426902825373E+21
Height
14518279.190365