61661838 is an even 8-digits composite number following 61661837
and preceding 61661839 . In scientific notation, it is written as 6.1661838 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 17242272 positive integers (up to 61661838) that are relatively prime to 61661838.
61661838 has 32 divisors, whose sum is 143944704
The reverse of 61661838 is 83816616
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-one million six hundred sixty-one thousand eight hundred thirty-eight
Scientific notation
6.1661838 × 10^7
Engineering notation
6.1661838 × 10^6
Prime Factorization
2 × 3 × 7 × 47 × 31237
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
61661838
Product of the distinct prime numbers
The prime factorization of 61661838 is 2 × 3 × 7 × 47 × 31237.
Since it has a total of 5 prime factors.
9 , 2 , 98 , 91 , 420 , 43 , 232 , 8095 , 7733 , 59509 , 683944 , 38611 , 6468885 , 8178906 , 47823599 , 45021260 , 109840867 , 272863159 , 1748707162 , 6661471823
n×2
123323676
n×3
184985514
n×4
246647352
n×5
308309190
n÷2
30830919
n÷3
20553946
n÷3
15415459.5
n÷5
12332367.6
n2
3802182265538244
n3
2.3444954690409E+23
n4
1.4456589980374E+31
n5
8.9141990940222E+38
2 √n
7852.5052053469
3 √n
395.06827426364
4 √n
88.614362297242
5 √n
36.141260316189
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 47 , 94 , 141 , 282 , 329 , 658 , 987 , 1974 , 31237 , 62474 , 93711 , 187422 , 218659 , 437318 , 655977 , 1311954 , 1468139 , 2936278 , 4404417 , 8808834 , 10276973 , 20553946 , 30830919 , 61661838
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61661837
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61661838 can be divided by 32 positive divisors.
The sum of these divisors (counting 61661838) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11101011001110001010001110
3
Ternary
11022000202010210
4
Quaternary
3223032022032
5
Quinary
111241134323
6
Senary
10041343250
8
Octal
353161216
10
Decimal
61661838
12
Duodecimal
18797b26
16
Hexadecimal
3ace28e
20
Vigesimal
j57ebi
36
Base36
10pmku
md5
379ba8c7ad8d03efd6bcb9be4b280948
sha1
6e78087a48a9a2f6cac6ce28de85346a32962ad8
sha256
315871eaf72b9aa0c769560d46d21bde59369ea07f9e39e3d11c86393ddc676a
sha512
2b90bbead496653a800b22c8de1987e707cb5b7a6bb763fc6b68d536d545e5b3b405c3c5afa77cb43ba169258130136b0f50dabdc95a4db302e57cf5e9145db0
ripemd-160
ad4b8d6dfb319a5e53a64cda217e0ffbca2ae92e
Diameter
123323676
Circumference
387432754.53529
Area
1.1944907873024E+16
Volume
9.8205996558847E+23
Surface area
4.7779631492097E+16
Circumference
387432754.53529
Perimeter
246647352
Area
3802182265538244
Diagonal
87203007.580453
Surface area
22813093593229464
Volume
2.3444954690409E+23
Space diagonal
106801436.30408
Perimeter
184985514
Area
1.6463932158874E+15
Altitude
53400718.152041
Surface area
1.6463932158874E+15
Volume
2.7630144077E+22
Height
29067669.193484