161539274 is an even 9-digits composite number following 161539273
and preceding 161539275 . In scientific notation, it is written as 1.61539274 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 74401200 positive integers (up to 161539274) that are relatively prime to 161539274.
161539274 has 16 divisors, whose sum is 261492000
The reverse of 161539274 is 472935161
Previous prime number is 12451
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-one million five hundred thirty-nine thousand two hundred seventy-four
Scientific notation
1.61539274 × 10^8
Engineering notation
1.61539274 × 10^6
Prime Factorization
2 × 13 × 12451 × 499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161539274
Product of the distinct prime numbers
The prime factorization of 161539274 is 2 × 13 × 12451 × 499.
Since it has a total of 4 prime factors.
3 , 9 , 92 , 14 , 815 , 654 , 171 , 6041 , 85808 , 32512 , 835794 , 867092 , 8154668 , 2658517 , 37013734 , 44691006 , 216201767 , 590189857 , 3792802268 , 7219924736
n×2
323078548
n×3
484617822
n×4
646157096
n×5
807696370
n÷2
80769637
n÷3
53846424.666667
n÷3
40384818.5
n÷5
32307854.8
n2
26094937044447076
n3
4.2153571852357E+24
n4
6.8094573935366E+32
n5
1.0999948036858E+41
2 √n
12709.810148071
3 √n
544.61890030906
4 √n
112.73779378749
5 √n
43.81831018342
1 , 2 , 13 , 26 , 499 , 998 , 6487 , 12451 , 12974 , 24902 , 161863 , 323726 , 6213049 , 12426098 , 80769637 , 161539274
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
-161539273
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 161539274 can be divided by 16 positive divisors.
The sum of these divisors (counting 161539274) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000001110010011001010
3
Ternary
102020222001020002
4
Quaternary
21220032103022
5
Quinary
312323224044
6
Senary
24010203002
8
Octal
1150162312
10
Decimal
161539274
12
Duodecimal
46123462
16
Hexadecimal
9a0e4ca
20
Vigesimal
2a9c83e
36
Base36
2o6ci2
md5
c9ff6a0a45f212d14b2d3f1866fdaf39
sha1
5c3ededbc98172177907b05a93c068c3405d5541
sha256
3c727adc952fb1ec719a85404f3a1d271fdea23b3e7978ba53adf843150492ba
sha512
6a7fed8328e26f663787256dec08313bda5b186f2f21f1dc004054424ddf804d4ef5855f7f9dc37a3cbc061c5e2131fbf114a4f233b07465d5e1d943512cc049
ripemd-160
65b4a762de121ab2705e293e72acbe0ea6abe9fd
Diameter
323078548
Circumference
1014981192.9293
Area
8.1979662514723E+16
Volume
1.7657246887191E+25
Surface area
3.2791865005889E+17
Circumference
1014981192.9293
Perimeter
646157096
Area
26094937044447076
Diagonal
228451032.1467
Surface area
156569622266682456
Volume
4.2153571852357E+24
Space diagonal
279794229.98579
Perimeter
484617822
Area
1.1299439195323E+16
Altitude
139897114.9929
Surface area
1.1299439195323E+16
Volume
4.9678460846727E+23
Height
76150344.048901