61431978 is an even 8-digits composite number following 61431977
and preceding 61431979 . In scientific notation, it is written as 6.1431978 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 19399536 positive integers (up to 61431978) that are relatively prime to 61431978.
61431978 has 8 divisors, whose sum is 93764772
The reverse of 61431978 is 87913416
Previous prime number is 57
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-one million four hundred thirty-one thousand nine hundred seventy-eight
Scientific notation
6.1431978 × 10^7
Engineering notation
6.1431978 × 10^6
Prime Factorization
2 × 57 × 538877
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61431978
Product of the distinct prime numbers
The prime factorization of 61431978 is 2 × 57 × 538877.
Since it has a total of 3 prime factors.
1 , 7 , 57 , 93 , 336 , 357 , 1029 , 9994 , 60380 , 85989 , 372457 , 447082 , 1268044 , 7678304 , 17572993 , 94637518 , 915557848 , 931910209 , 3227479038 , 9985343989
n×2
122863956
n×3
184295934
n×4
245727912
n×5
307159890
n÷2
30715989
n÷3
20477326
n÷3
15357994.5
n÷5
12286395.6
n2
3773887920992484
n3
2.3183739973688E+23
n4
1.4242230040213E+31
n5
8.749283625013E+38
2 √n
7837.8554464853
3 √n
394.57675757485
4 √n
88.531663524896
5 √n
36.114274921793
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
-61431977
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 61431978 can be divided by 8 positive divisors.
The sum of these divisors (counting 61431978) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101010010110000010101010
3
Ternary
11021121001211110
4
Quaternary
3222112002222
5
Quinary
111211310403
6
Senary
10032411150
8
Octal
352260252
10
Decimal
61431978
12
Duodecimal
186a6ab6
16
Hexadecimal
3a960aa
20
Vigesimal
j3ijii
36
Base36
10kp7u
md5
37c4f0b184ec6bb4db797526877e7aef
sha1
95bd630dbc7583f816247e3cb69696a77d2ea48c
sha256
bceb75cb3c4f96ebf1121244c44023c4da5a977aea69ad08efeb3981f190060d
sha512
73a29fdd93404b9a1a3e65349a4fccbbb1dd86f6640d2f4f180b40272afe28023f8dde7bf262d59cb99d1426311f6d6f00ce21d35f45721304307d2f3dfbd254
ripemd-160
6954e7297e0127850dd542e5fa5fe81332a0aed6
Diameter
122863956
Circumference
385988501.56058
Area
1.1856018568061E+16
Volume
9.7111822912097E+23
Surface area
4.7424074272245E+16
Circumference
385988501.56058
Perimeter
245727912
Area
3773887920992484
Diagonal
86877936.451006
Surface area
22643327525954904
Volume
2.3183739973688E+23
Space diagonal
106403307.10545
Perimeter
184295934
Area
1.6341414053074E+15
Altitude
53201653.552727
Surface area
1.6341414053074E+15
Volume
2.73222995811E+22
Height
28959312.150335