61797921 is an odd 8-digits composite number following 61797920
and preceding 61797922 . In scientific notation, it is written as 6.1797921 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 41198612 positive integers (up to 61797921) that are relatively prime to 61797921.
61797921 has 4 divisors, whose sum is 82397232
The reverse of 61797921 is 12979716
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-one million seven hundred ninety-seven thousand nine hundred twenty-one
Scientific notation
6.1797921 × 10^7
Engineering notation
6.1797921 × 10^6
Prime Factorization
3 × 20599307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61797921
Product of the distinct prime numbers
The prime factorization of 61797921 is 3 × 20599307.
Since it has a total of 2 prime factors.
4 , 2 , 23 , 2 , 118 , 106 , 9081 , 3216 , 79361 , 97788 , 932281 , 173890 , 4831406 , 7795466 , 51478693 , 50797560 , 121519938 , 656886423 , 9718055114 , 8267688792
n×2
123595842
n×3
185393763
n×4
247191684
n×5
308989605
n÷2
30898960.5
n÷3
20599307
n÷3
15449480.25
n÷5
12359584.2
n2
3818983039922241
n3
2.3600521220145E+23
n4
1.4584631459214E+31
n5
9.012999027306E+38
2 √n
7861.1653716227
3 √n
395.35868930002
4 √n
88.663213181244
5 √n
36.157198456795
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61797920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61797921 can be divided by 4 positive divisors.
The sum of these divisors (counting 61797921) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101011101111011000100001
3
Ternary
11022021122210220
4
Quaternary
3223233120201
5
Quinary
111310013141
6
Senary
10044313253
8
Octal
353573041
10
Decimal
61797921
12
Duodecimal
18842829
16
Hexadecimal
3aef621
20
Vigesimal
j64eg1
36
Base36
10sjkx
md5
48355572c00dcd6b34c382586123b437
sha1
9b07527b999eb2749eb8386ec3ec309bb34ebe4d
sha256
9fc3de9821d61debdc8a98f18b9178cc6112add9538e3408ba25041c725d2d5f
sha512
b4b71f9a913c74f9b3a6b7e2c01dac6bc0c35eb1137fd2af0e6fd7a4c8b036f0cd9b3e9c5963cc9c025212480361934e1ed6d6251843e0c01b17ab057db459bc
ripemd-160
733ae545caffd82e64989236b9754467618f248f
Diameter
123595842
Circumference
388287789.24144
Area
1.1997689062404E+16
Volume
9.8857632114799E+23
Surface area
4.7990756249615E+16
Circumference
388287789.24144
Perimeter
247191684
Area
3818983039922241
Diagonal
87395458.004661
Surface area
22913898239533446
Volume
2.3600521220145E+23
Space diagonal
107037138.97413
Perimeter
185393763
Area
1.6536681645973E+15
Altitude
53518569.487064
Surface area
1.6536681645973E+15
Volume
2.7813480990503E+22
Height
29131819.334887