61394890 is an even 8-digits composite number following 61394889
and preceding 61394891 . In scientific notation, it is written as 6.1394890 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 23265360 positive integers (up to 61394890) that are relatively prime to 61394890.
61394890 has 16 divisors, whose sum is 116327520
The reverse of 61394890 is 09849316
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-one million three hundred ninety-four thousand eight hundred ninety
Scientific notation
6.1394890 × 10^7
Engineering notation
6.1394890 × 10^6
Prime Factorization
2 × 5 × 19 × 323131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61394890
Product of the distinct prime numbers
The prime factorization of 61394890 is 2 × 5 × 19 × 323131.
Since it has a total of 4 prime factors.
7 , 10 , 45 , 88 , 112 , 831 , 9245 , 7704 , 8522 , 95522 , 644976 , 236440 , 6087346 , 9355311 , 75231865 , 41331442 , 965252060 , 196226626 , 1100856172 , 6523445634
n×2
122789780
n×3
184184670
n×4
245579560
n×5
306974450
n÷2
30697445
n÷3
20464963.333333
n÷3
15348722.5
n÷5
12278978
n2
3769332518112100
n3
2.3141775532292E+23
n4
1.4207867632097E+31
n5
8.7229047040717E+38
2 √n
7835.4891359761
3 √n
394.49733635032
4 √n
88.51829831157
5 √n
36.109913252701
1 , 2 , 5 , 10 , 19 , 38 , 95 , 190 , 323131 , 646262 , 1615655 , 3231310 , 6139489 , 12278978 , 30697445 , 61394890
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
-61394889
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 61394890 can be divided by 16 positive divisors.
The sum of these divisors (counting 61394890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101010001100111111001010
3
Ternary
11021112011221211
4
Quaternary
3222030333022
5
Quinary
111204114030
6
Senary
10031523334
8
Octal
352147712
10
Decimal
61394890
12
Duodecimal
1868954a
16
Hexadecimal
3a8cfca
20
Vigesimal
j3e74a
36
Base36
10jwlm
md5
551fa40b1509a7f2ccbcf9e8e4a6a797
sha1
1a8246925f566271fc048c5609aa2dd4a897528a
sha256
bdd30efd967240a56f293791e350f9580d2c81a6a2400976fd45b82cf7a8665d
sha512
79ce55368c7fc866bb35feca3fc65bdd3ba619acd37e79c2533b10ff48538a5ab3890fd02779605a3c0641938ae44b0058301a542021e49f39b0c1c28227d261
ripemd-160
d607a9d03f896a31a0c2f3824af46a07b444e4f7
Diameter
122789780
Circumference
385755470.78391
Area
1.1841707347838E+16
Volume
9.6936042671028E+23
Surface area
4.7366829391352E+16
Circumference
385755470.78391
Perimeter
245579560
Area
3769332518112100
Diagonal
86825486.098404
Surface area
22615995108672600
Volume
2.3141775532292E+23
Space diagonal
106339068.8051
Perimeter
184184670
Area
1.6321688579979E+15
Altitude
53169534.402551
Surface area
1.6321688579979E+15
Volume
2.7272844012634E+22
Height
28941828.699468