61486721 is an odd 8-digits prime number following 61486720
and preceding 61486722 . In scientific notation, it is written as 6.1486721 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 61486720 positive integers (up to 61486721) that are relatively prime to 61486721.
61486721 has 2 divisors, whose sum is 61486722
The reverse of 61486721 is 12768416
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 35 Digital Root 8
Name
sixty-one million four hundred eighty-six thousand seven hundred twenty-one
Scientific notation
6.1486721 × 10^7
Engineering notation
6.1486721 × 10^6
Prime Factorization
61486721
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
61486721 Product of the distinct prime numbers
The prime factorization of 61486721 is 61486721.
Since it has a total of 1 prime factors.
8 , 10 , 10 , 75 , 524 , 419 , 3247 , 9853 , 75486 , 9862 , 202046 , 259290 , 1366104 , 2133611 , 52221799 , 80983028 , 497719385 , 718921620 , 5553672071 , 4105336552
n×2
122973442
n×3
184460163
n×4
245946884
n×5
307433605
n÷2
30743360.5
n÷3
20495573.666667
n÷3
15371680.25
n÷5
12297344.2
n2
3780616859331841
n3
2.3245773403763E+23
n4
1.4293063837064E+31
n5
8.7883362838475E+38
2 √n7841.3468868556
3 √n394.69392729216
4 √n88.551379926321
5 √n36.120709028254
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
61486722 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
30743361 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
7841.3469506202 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999674727 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61486721 can be divided by 2 positive divisors.
The sum of these divisors (counting 61486721) is 61486722, the average is 30743361.
Base
System
Value
2
Binary
11101010100011011010000001
3
Ternary
11021200211220222
4
Quaternary
3222203122001
5
Quinary
111220033341
6
Senary
10033512425
8
Octal
352433201
10
Decimal
61486721
12
Duodecimal
18712715
16
Hexadecimal
3aa3681
20
Vigesimal
j45gg1
36
Base36
10lvgh
md5
3c3e1a8ab6981f31836833d9683813e6
sha1
7f8b6ccf8245a0a4510f3b72f1c4ef9bf4c5bee7
sha256
4ae11164c459f9d05c35c117cb9ae90d32757771c279dc891eb097cd3740c35b
sha512
d51381489dd9f14d9795bd5cdeef3b7fcd18718e8efc870486f93994d7b224cce54a1969c9865e1965d1e2551685a52fba186d14118114b266efd593739f3bc2
ripemd-160
4b64605db4d037aef616ab93ade71af17aaec9bf
Diameter
122973442
Circumference
386332461.97385
Area
1.1877158151315E+16
Volume
9.7371667936368E+23
Surface area
4.7508632605259E+16
Circumference
386332461.97385
Perimeter
245946884
Area
3780616859331841
Diagonal
86955354.744051
Surface area
22683701155991046
Volume
2.3245773403763E+23
Space diagonal
106498124.76281
Perimeter
184460163
Area
1.6370551210786E+15
Altitude
53249062.381406
Surface area
1.6370551210786E+15
Volume
2.7395406679545E+22
Height
28985118.248017