61663840 is an even 8-digits composite number following 61663839
and preceding 61663841 . In scientific notation, it is written as 6.1663840 × 10^7.
The sum of its digits is 34. It has a total of 7 prime factors and 24 positive divisors.
There are 21141504 positive integers (up to 61663840) that are relatively prime to 61663840.
61663840 has 24 divisors, whose sum is 124871544
The reverse of 61663840 is 04836616
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-one million six hundred sixty-three thousand eight hundred forty
Scientific notation
6.1663840 × 10^7
Engineering notation
6.1663840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 35 × 55057
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
3853990
Product of the distinct prime numbers
The prime factorization of 61663840 is 2 × 2 × 2 × 2 × 2 × 35 × 55057.
Since it has a total of 7 prime factors.
5 , 9 , 7 , 94 , 81 , 22 , 7803 , 1770 , 44379 , 68710 , 113706 , 737128 , 6326227 , 5751598 , 70221120 , 73492775 , 182193795 , 633105867 , 5966011618 , 6779430889
n×2
123327680
n×3
184991520
n×4
246655360
n×5
308319200
n÷2
30831920
n÷3
20554613.333333
n÷3
15415960
n÷5
12332768
n2
3802429163545600
n3
2.3447238355221E+23
n4
1.4458467543782E+31
n5
8.9156462926497E+38
2 √n
7852.632679554
3 √n
395.07254983154
4 √n
88.61508155813
5 √n
36.141494995744
1 , 2 , 4 , 8 , 16 , 32 , 35 , 70 , 140 , 280 , 560 , 1120 , 55057 , 110114 , 220228 , 440456 , 880912 , 1761824 , 1926995 , 3853990 , 7707980 , 15415960 , 30831920 , 61663840
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61663839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61663840 can be divided by 24 positive divisors.
The sum of these divisors (counting 61663840) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11101011001110101001100000
3
Ternary
11022000211212221
4
Quaternary
3223032221200
5
Quinary
111241220330
6
Senary
10041400424
8
Octal
353165140
10
Decimal
61663840
12
Duodecimal
18799114
16
Hexadecimal
3acea60
20
Vigesimal
j57jc0
36
Base36
10po4g
md5
ff991b506e65ca4d9dbaad2262d521ba
sha1
fb71a2e2f2ce91e5540cfaff1eecff0041078ebe
sha256
e0fc29a004a1ddb3a2f10a614a26b7fbba86fafd628baa0998ce0bdc83c6d094
sha512
c4382c6fa079c0ccc484dca3d9108e141f8b308ff15ca03e66c9390622abf557d84f3c835c60238272c7bfa460ccff1b341f280c4c74d488ccc00171093b0d30
ripemd-160
85f5f59f3936eae52131ce265606f271c5acbcf7
Diameter
123327680
Circumference
387445333.47227
Area
1.194568352599E+16
Volume
9.8215562351641E+23
Surface area
4.7782734103962E+16
Circumference
387445333.47227
Perimeter
246655360
Area
3802429163545600
Diagonal
87205838.836005
Surface area
22814574981273600
Volume
2.3447238355221E+23
Space diagonal
106804903.8698
Perimeter
184991520
Area
1.6465001258607E+15
Altitude
53402451.934899
Surface area
1.6465001258607E+15
Volume
2.763283540179E+22
Height
29068612.945335