61981497 is an odd 8-digits composite number following 61981496
and preceding 61981498 . In scientific notation, it is written as 6.1981497 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 39895632 positive integers (up to 61981497) that are relatively prime to 61981497.
61981497 has 8 divisors, whose sum is 66494400
The reverse of 61981497 is 79418916
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-one million nine hundred eighty-one thousand four hundred ninety-seven
Scientific notation
6.1981497 × 10^7
Engineering notation
6.1981497 × 10^6
Prime Factorization
27 × 29 × 79159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61981497
Product of the distinct prime numbers
The prime factorization of 61981497 is 27 × 29 × 79159.
Since it has a total of 3 prime factors.
6 , 10 , 5 , 61 , 21 , 37 , 6180 , 8809 , 5407 , 22170 , 188011 , 815368 , 42348 , 8272357 , 84165440 , 33459741 , 251568534 , 932396461 , 4379392441 , 1595325124
n×2
123962994
n×3
185944491
n×4
247925988
n×5
309907485
n÷2
30990748.5
n÷3
20660499
n÷3
15495374.25
n÷5
12396299.4
n2
3841705970361009
n3
2.3811468707681E+23
n4
1.4758704762707E+31
n5
9.1476661497364E+38
2 √n
7872.8328446627
3 √n
395.74978454075
4 √n
88.728985369285
5 √n
36.178654585963
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61981496
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61981497 can be divided by 8 positive divisors.
The sum of these divisors (counting 61981497) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101100011100001100111001
3
Ternary
11022121222122000
4
Quaternary
3230130030321
5
Quinary
111331401442
6
Senary
10052251213
8
Octal
354341471
10
Decimal
61981497
12
Duodecimal
18910b09
16
Hexadecimal
3b1c339
20
Vigesimal
j77deh
36
Base36
10wh89
md5
c50d4b3ca08e22f2fa262b8af7476f96
sha1
de124a291aa66922f43959d783fe98b62a8234fd
sha256
2179c91d8def21a887b14d07f1b09d51785f7b57fc44689932ed7fb3a7568fde
sha512
5fdafb72c8335fb5e61cdd197fb816a67b7dc6c9a4ddf70cfbaebdb44b78c6f39e04c1f037e7d020aeba4c3e993b996bf07e668c994d4248fd47939d87ef2774
ripemd-160
a271b88f275bc4844b273532cbe1e59125c8b2c9
Diameter
123962994
Circumference
389441231.2674
Area
1.2069075253738E+16
Volume
9.9741246884313E+23
Surface area
4.8276301014953E+16
Circumference
389441231.2674
Perimeter
247925988
Area
3841705970361009
Diagonal
87655073.673587
Surface area
23050235822166054
Volume
2.3811468707681E+23
Space diagonal
107355101.93318
Perimeter
185944491
Area
1.6635074821015E+15
Altitude
53677550.966589
Surface area
1.6635074821015E+15
Volume
2.8062084988688E+22
Height
29218357.891196