61809969 is an odd 8-digits composite number following 61809968
and preceding 61809970 . In scientific notation, it is written as 6.1809969 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 37971456 positive integers (up to 61809969) that are relatively prime to 61809969.
61809969 has 16 divisors, whose sum is 88905600
The reverse of 61809969 is 96990816
Previous prime number is 1889
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-one million eight hundred nine thousand nine hundred sixty-nine
Scientific notation
6.1809969 × 10^7
Engineering notation
6.1809969 × 10^6
Prime Factorization
3 × 13 × 1889 × 839
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61809969
Product of the distinct prime numbers
The prime factorization of 61809969 is 3 × 13 × 1889 × 839.
Since it has a total of 4 prime factors.
10 , 8 , 40 , 9 , 524 , 47 , 9211 , 1543 , 84635 , 98228 , 202787 , 806471 , 5582155 , 446631 , 56998703 , 85733908 , 770599417 , 527920119 , 1996126667 , 1594556053
n×2
123619938
n×3
185429907
n×4
247239876
n×5
309049845
n÷2
30904984.5
n÷3
20603323
n÷3
15452492.25
n÷5
12361993.8
n2
3820472267780961
n3
2.361432724369E+23
n4
1.4596008348883E+31
n5
9.0217882356822E+38
2 √n
7861.931632875
3 √n
395.38438041227
4 √n
88.667534266353
5 √n
36.158608173991
1 , 3 , 13 , 39 , 839 , 1889 , 2517 , 5667 , 10907 , 24557 , 32721 , 73671 , 1584871 , 4754613 , 20603323 , 61809969
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
-61809968
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 61809969 can be divided by 16 positive divisors.
The sum of these divisors (counting 61809969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101011110010010100110001
3
Ternary
11022022021100010
4
Quaternary
3223302110301
5
Quinary
111310404334
6
Senary
10044445133
8
Octal
353622461
10
Decimal
61809969
12
Duodecimal
188497a9
16
Hexadecimal
3af2531
20
Vigesimal
j664i9
36
Base36
10ssvl
md5
2a921a3fc577c30eaa9382f9f36aea59
sha1
1fc8af986001806769b6e042f95ceed54b816829
sha256
df2fdaebe88ae6804c91ce556e0c4414b3044c2c31cf02e6223299cc14812c89
sha512
75c8d84f9133daeef8f1bba0e3ba4d5b4a371fa82d63f5232e303327c3f38cbc6dffa9df2dfc9e8042684f25da1ec3ee6188cc78b37e8909f09d8cfb38b35970
ripemd-160
6a1fca85f40af6e66a723d583b5d846424b882a4
Diameter
123619938
Circumference
388363489.05803
Area
1.2002367609704E+16
Volume
9.8915462650989E+23
Surface area
4.8009470438817E+16
Circumference
388363489.05803
Perimeter
247239876
Area
3820472267780961
Diagonal
87412496.449661
Surface area
22922833606685766
Volume
2.361432724369E+23
Space diagonal
107058006.72226
Perimeter
185429907
Area
1.6543130191761E+15
Altitude
53529003.361129
Surface area
1.6543130191761E+15
Volume
2.7829751545286E+22
Height
29137498.816554