161869738 is an even 9-digits composite number following 161869737
and preceding 161869739 . In scientific notation, it is written as 1.61869738 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 79247376 positive integers (up to 161869738) that are relatively prime to 161869738.
161869738 has 16 divisors, whose sum is 247885920
The reverse of 161869738 is 837968161
Previous prime number is 619
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred sixty-one million eight hundred sixty-nine thousand seven hundred thirty-eight
Scientific notation
1.61869738 × 10^8
Engineering notation
1.61869738 × 10^6
Prime Factorization
2 × 53 × 619 × 2467
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161869738
Product of the distinct prime numbers
The prime factorization of 161869738 is 2 × 53 × 619 × 2467.
Since it has a total of 4 prime factors.
2 , 4 , 10 , 100 , 249 , 588 , 5749 , 3890 , 4661 , 14118 , 818965 , 581393 , 4813760 , 2487896 , 11721653 , 21118877 , 670573265 , 915956033 , 2670681288 , 6688543146
n×2
323739476
n×3
485609214
n×4
647478952
n×5
809348690
n÷2
80934869
n÷3
53956579.333333
n÷3
40467434.5
n÷5
32373947.6
n2
26201812080188644
n3
4.2412804565454E+24
n4
6.8653495628552E+32
n5
1.1112923350178E+41
2 √n
12722.803857641
3 √n
544.99002647068
4 √n
112.79540707689
5 √n
43.836223523142
1 , 2 , 53 , 106 , 619 , 1238 , 2467 , 4934 , 32807 , 65614 , 130751 , 261502 , 1527073 , 3054146 , 80934869 , 161869738
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
-161869737
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 161869738 can be divided by 16 positive divisors.
The sum of these divisors (counting 161869738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001011110111110101010
3
Ternary
102021120211112111
4
Quaternary
21221132332222
5
Quinary
312414312423
6
Senary
24021232534
8
Octal
1151367652
10
Decimal
161869738
12
Duodecimal
4626274a
16
Hexadecimal
9a5efaa
20
Vigesimal
2abde6i
36
Base36
2odfhm
md5
54a71d516ad8308e1a8d64cf96058f87
sha1
392aac392335ffad21ab8196ec86e56b34e12f64
sha256
b242548b8bab134da2b03eecc1f2edcd4dfa41584302b2cef3c0f2555520e44f
sha512
f8d7b938826a9918ff36857df36ee9ef7abea5e60a4e39f64fc62b86d5302900468b03a4a5e392b9512a33ed253228bca4e58515a9a502ed505ae471a010c740
ripemd-160
5dedc8c78be5bb397c3e8668e99c7c72f861407a
Diameter
323739476
Circumference
1017057559.4786
Area
8.2315420341861E+16
Volume
1.7765834032129E+25
Surface area
3.2926168136744E+17
Circumference
1017057559.4786
Perimeter
647478952
Area
26201812080188644
Diagonal
228918378.81738
Surface area
157210872481131864
Volume
4.2412804565454E+24
Space diagonal
280366610.42386
Perimeter
485609214
Area
1.1345717443315E+16
Altitude
140183305.21193
Surface area
1.1345717443315E+16
Volume
4.9983969528953E+23
Height
76306126.27246