61442391 is an odd 8-digits composite number following 61442390
and preceding 61442392 . In scientific notation, it is written as 6.1442391 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 40961592 positive integers (up to 61442391) that are relatively prime to 61442391.
61442391 has 4 divisors, whose sum is 81923192
The reverse of 61442391 is 19324416
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
sixty-one million four hundred forty-two thousand three hundred ninety-one
Scientific notation
6.1442391 × 10^7
Engineering notation
6.1442391 × 10^6
Prime Factorization
3 × 20480797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61442391
Product of the distinct prime numbers
The prime factorization of 61442391 is 3 × 20480797.
Since it has a total of 2 prime factors.
4 , 7 , 57 , 36 , 639 , 245 , 2220 , 6750 , 10112 , 33105 , 582794 , 757153 , 8278559 , 3786668 , 88242193 , 7141586 , 553665371 , 7729797 , 7573673712 , 3713930480
n×2
122884782
n×3
184327173
n×4
245769564
n×5
307211955
n÷2
30721195.5
n÷3
20480797
n÷3
15360597.75
n÷5
12288478.2
n2
3775167411796881
n3
2.3195531220608E+23
n4
1.4251888987093E+31
n5
8.7567013563357E+38
2 √n
7838.5196944321
3 √n
394.59905050102
4 √n
88.535414916473
5 √n
36.1154991456
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61442390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61442391 can be divided by 4 positive divisors.
The sum of these divisors (counting 61442391) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101010011000100101010111
3
Ternary
11021121121010010
4
Quaternary
3222120211113
5
Quinary
111212124031
6
Senary
10032531303
8
Octal
352304527
10
Decimal
61442391
12
Duodecimal
186b0b33
16
Hexadecimal
3a98957
20
Vigesimal
j405jb
36
Base36
10kx93
md5
b5a74b817d116397e737fe014fd68484
sha1
43d1aea03afbd374a05a8d1a413ec20c5312a9d9
sha256
d502cecf3505638f93f55fcd5c3f22bd945f123053c26970e6c507a113426420
sha512
d44ea6136944ca8510301ae1d468b106069e277ae5d3ab5f9e38f828a91f990a79004c72ec6ba00783091ccdececed24ee128746db10c41d7f2bf1934e51b62e
ripemd-160
24fc8d18d04512319906ce876e92a19dc186da99
Diameter
122884782
Circumference
386053928.36918
Area
1.1860038206973E+16
Volume
9.7161213971701E+23
Surface area
4.7440152827891E+16
Circumference
386053928.36918
Perimeter
245769564
Area
3775167411796881
Diagonal
86892662.656831
Surface area
22651004470781286
Volume
2.3195531220608E+23
Space diagonal
106421342.95051
Perimeter
184327173
Area
1.6346954410776E+15
Altitude
53210671.475256
Surface area
1.6346954410776E+15
Volume
2.7336195698861E+22
Height
28964220.88561