161662790 is an even 9-digits composite number following 161662789
and preceding 161662791 . In scientific notation, it is written as 1.61662790 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 64665112 positive integers (up to 161662790) that are relatively prime to 161662790.
161662790 has 8 divisors, whose sum is 290993040
The reverse of 161662790 is 097266161
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-one million six hundred sixty-two thousand seven hundred ninety
Scientific notation
1.61662790 × 10^8
Engineering notation
1.61662790 × 10^6
Prime Factorization
2 × 5 × 16166279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161662790
Product of the distinct prime numbers
The prime factorization of 161662790 is 2 × 5 × 16166279.
Since it has a total of 3 prime factors.
9 , 8 , 2 , 68 , 227 , 645 , 5005 , 5516 , 14790 , 38627 , 681635 , 165395 , 9592608 , 4905613 , 99604662 , 52693177 , 553321219 , 591985039 , 5591920606 , 6995872457
n×2
323325580
n×3
484988370
n×4
646651160
n×5
808313950
n÷2
80831395
n÷3
53887596.666667
n÷3
40415697.5
n÷5
32332558
n2
26134857670584100
n3
4.2250340072795E+24
n4
6.8303078546169E+32
n5
1.1042066243363E+41
2 √n
12714.668300825
3 √n
544.75767360056
4 √n
112.75933797617
5 √n
43.825008997521
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
-161662789
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 161662790 can be divided by 8 positive divisors.
The sum of these divisors (counting 161662790) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000101100011101000110
3
Ternary
102021012022122202
4
Quaternary
21220230131012
5
Quinary
312341202130
6
Senary
24012554502
8
Octal
1150543506
10
Decimal
161662790
12
Duodecimal
46182a32
16
Hexadecimal
9a2c746
20
Vigesimal
2aa7gja
36
Base36
2o8zt2
md5
3d9ec823514772849febfe16ad42705c
sha1
7c37cb91e70187ff04e1705f06e3ccd35c97db80
sha256
0d77fa3e29f5b98e3a8594ce1fcae41925563459dc20a85228165bc4b5db93f0
sha512
bee287fb3901dc09ffe46a749014471d1a2533c245ceb488c0e1bc6d34fec19612a3a5bf757d00315f0a241b8c69f8a348f8aa61e3d7984f9d9c21df5695cc28
ripemd-160
ed695402acfd8a7cd2ae72dad6341f9e86c66e39
Diameter
323325580
Circumference
1015757266.8457
Area
8.2105076860522E+16
Volume
1.7697781064582E+25
Surface area
3.2842030744209E+17
Circumference
1015757266.8457
Perimeter
646651160
Area
26134857670584100
Diagonal
228625710.14907
Surface area
156809146023504600
Volume
4.2250340072795E+24
Space diagonal
280008165.97334
Perimeter
484988370
Area
1.1316725333508E+16
Altitude
140004082.98667
Surface area
1.1316725333508E+16
Volume
4.9792503288185E+23
Height
76208570.049691