161061878 is an even 9-digits composite number following 161061877
and preceding 161061879 . In scientific notation, it is written as 1.61061878 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 80530938 positive integers (up to 161061878) that are relatively prime to 161061878.
161061878 has 4 divisors, whose sum is 241592820
The reverse of 161061878 is 878160161
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-one million sixty-one thousand eight hundred seventy-eight
Scientific notation
1.61061878 × 10^8
Engineering notation
1.61061878 × 10^6
Prime Factorization
2 × 80530939
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161061878
Product of the distinct prime numbers
The prime factorization of 161061878 is 2 × 80530939.
Since it has a total of 2 prime factors.
5 , 10 , 71 , 95 , 744 , 561 , 4746 , 1400 , 73490 , 39577 , 842898 , 966504 , 8618756 , 6178569 , 41193431 , 18369756 , 504872544 , 927538733 , 485631674 , 672803261
n×2
322123756
n×3
483185634
n×4
644247512
n×5
805309390
n÷2
80530939
n÷3
53687292.666667
n÷3
40265469.5
n÷5
32212375.6
n2
25940928544886884
n3
4.1780946685033E+24
n4
6.7293177377093E+32
n5
1.0838365524942E+41
2 √n
12691.015640996
3 √n
544.08186799532
4 √n
112.6544079963
5 √n
43.792380317855
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161061877
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161061878 can be divided by 4 positive divisors.
The sum of these divisors (counting 161061878) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110011001101111110110
3
Ternary
102020001210100202
4
Quaternary
21212121233312
5
Quinary
312212440003
6
Senary
23552040502
8
Octal
1146315766
10
Decimal
161061878
12
Duodecimal
45b33132
16
Hexadecimal
9999bf6
20
Vigesimal
2a6cedi
36
Base36
2nw452
md5
5c2972ce59e46a6105fa6048aee79a21
sha1
b28815989aa4c6255641f78ac79c3aa1adff4fbb
sha256
61e57d7cdb3d4be53ca9216f21c00e74532bc5311b11389e4ccbef5cc9f809b5
sha512
30d19cf8c41b3509ed65da9c1b48c6bd8dc47fbd4eebf9116bcc505bff40ca5c3a597ffe118a2fd7ccfc7c844bc4b6248285e429b7f0da595ca18577759f7d8c
ripemd-160
1514c0116da52b09e0c0c4feffc297065fa292b2
Diameter
322123756
Circumference
1011981625.3964
Area
8.1495830543914E+16
Volume
1.7501162022097E+25
Surface area
3.2598332217566E+17
Circumference
1011981625.3964
Perimeter
644247512
Area
25940928544886884
Diagonal
227775892.24888
Surface area
155645571269321304
Volume
4.1780946685033E+24
Space diagonal
278967355.85846
Perimeter
483185634
Area
1.1232751558814E+16
Altitude
139483677.92923
Surface area
1.1232751558814E+16
Volume
4.9239317875634E+23
Height
75925297.416294