61581489 is an odd 8-digits composite number following 61581488
and preceding 61581490 . In scientific notation, it is written as 6.1581489 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 38802240 positive integers (up to 61581489) that are relatively prime to 61581489.
61581489 has 16 divisors, whose sum is 86633280
The reverse of 61581489 is 98418516
Previous prime number is 541
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-one million five hundred eighty-one thousand four hundred eighty-nine
Scientific notation
6.1581489 × 10^7
Engineering notation
6.1581489 × 10^6
Prime Factorization
3 × 19 × 541 × 1997
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61581489
Product of the distinct prime numbers
The prime factorization of 61581489 is 3 × 19 × 541 × 1997.
Since it has a total of 4 prime factors.
2 , 7 , 86 , 44 , 375 , 449 , 7232 , 8254 , 54884 , 40936 , 571347 , 44385 , 405373 , 3414995 , 64498106 , 83839765 , 981366959 , 355057544 , 9979213735 , 3320753631
n×2
123162978
n×3
184744467
n×4
246325956
n×5
307907445
n÷2
30790744.5
n÷3
20527163
n÷3
15395372.25
n÷5
12316297.8
n2
3792279787457121
n3
2.3353423601621E+23
n4
1.4381385986356E+31
n5
8.8562716292353E+38
2 √n
7847.3873996382
3 √n
394.89660061263
4 √n
88.585480749602
5 √n
36.131836565642
1 , 3 , 19 , 57 , 541 , 1623 , 1997 , 5991 , 10279 , 30837 , 37943 , 113829 , 1080377 , 3241131 , 20527163 , 61581489
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
-61581488
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 61581489 can be divided by 16 positive divisors.
The sum of these divisors (counting 61581489) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101010111010100010110001
3
Ternary
11021212122220220
4
Quaternary
3222322202301
5
Quinary
111231101424
6
Senary
10035523253
8
Octal
352724261
10
Decimal
61581489
12
Duodecimal
18759529
16
Hexadecimal
3aba8b1
20
Vigesimal
j4hde9
36
Base36
10nwkx
md5
5f3b802f0153eb6d61e370f11c4903fc
sha1
de52c8575bc0375206586fd4c8723a797fb3c4bd
sha256
acb8b2b73ff3762f45a13a731748de63d7978f775e104bb9b56ddb2feb55ab7f
sha512
5d0d9a6dc78595d5ac393b43a588304dbc3cee10e01a1e81d9135a0d075b59c473459fbc88d0cdf72875b45b46c876b01504f6d0665c21cb8acb185c1708d395
ripemd-160
f7a8a6d0f0d2c863f2ff8e71445a9f429b25e76e
Diameter
123162978
Circumference
386927906.87904
Area
1.1913798320632E+16
Volume
9.7822592030699E+23
Surface area
4.7655193282529E+16
Circumference
386927906.87904
Perimeter
246325956
Area
3792279787457121
Diagonal
87089376.93493
Surface area
22753678724742726
Volume
2.3353423601621E+23
Space diagonal
106662267.75374
Perimeter
184744467
Area
1.6421053170981E+15
Altitude
53331133.876872
Surface area
1.6421053170981E+15
Volume
2.7522273654381E+22
Height
29029792.311643