61791721 is an odd 8-digits composite number following 61791720
and preceding 61791722 . In scientific notation, it is written as 6.1791721 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 58771328 positive integers (up to 61791721) that are relatively prime to 61791721.
61791721 has 12 divisors, whose sum is 64889100
The reverse of 61791721 is 12719716
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-one million seven hundred ninety-one thousand seven hundred twenty-one
Scientific notation
6.1791721 × 10^7
Engineering notation
6.1791721 × 10^6
Prime Factorization
29 × 269 × 89 × 89
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
694289
Product of the distinct prime numbers
The prime factorization of 61791721 is 29 × 269 × 89 × 89.
Since it has a total of 4 prime factors.
7 , 7 , 21 , 22 , 364 , 29 , 6866 , 9782 , 3558 , 41205 , 174694 , 225209 , 8047738 , 545284 , 66641859 , 87805622 , 67535429 , 955551259 , 6529274653 , 8886266173
n×2
123583442
n×3
185375163
n×4
247166884
n×5
308958605
n÷2
30895860.5
n÷3
20597240.333333
n÷3
15447930.25
n÷5
12358344.2
n2
3818216784141841
n3
2.3593418624321E+23
n4
1.4578779410702E+31
n5
9.0084786986667E+38
2 √n
7860.7710181635
3 √n
395.3454671408
4 √n
88.660989269033
5 √n
36.15647291903
1 , 29 , 89 , 269 , 2581 , 7801 , 7921 , 23941 , 229709 , 694289 , 2130749 , 61791721
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
-61791720
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 61791721 can be divided by 12 positive divisors.
The sum of these divisors (counting 61791721) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11101011101101110111101001
3
Ternary
11022021100022021
4
Quaternary
3223231313221
5
Quinary
111304313341
6
Senary
10044224441
8
Octal
353556751
10
Decimal
61791721
12
Duodecimal
1883b121
16
Hexadecimal
3aedde9
20
Vigesimal
j63j61
36
Base36
10sesp
md5
a99138a2c8717679f9c143e324b9b44f
sha1
68b369d81b2ab7bf26785fdad0431aaf60eb5cb5
sha256
170946c93ae35b7baa81ae5c0f117a6500578c4a0a7c57b4cc47b5d6f8cb28ec
sha512
3bbf63e7aaa2ada1584260095d47f86937894cefbbedc01a09469c672ae97c139036c72ef254ffb890672dd78e3c308e93ad97c938a4c12dd8c0f130d7abc8ea
ripemd-160
99a8067246e24af2bf6844faf04ca4154f932da5
Diameter
123583442
Circumference
388248833.49254
Area
1.1995281798873E+16
Volume
9.8827880830981E+23
Surface area
4.7981127195493E+16
Circumference
388248833.49254
Perimeter
247166884
Area
3818216784141841
Diagonal
87386689.880574
Surface area
22909300704851046
Volume
2.3593418624321E+23
Space diagonal
107026400.25912
Perimeter
185375163
Area
1.6533363661115E+15
Altitude
53513200.12956
Surface area
1.6533363661115E+15
Volume
2.7805110501051E+22
Height
29128896.626858