161888401 is an odd 9-digits prime number following 161888400
and preceding 161888402 . In scientific notation, it is written as 1.61888401 × 10^8.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 161888400 positive integers (up to 161888401) that are relatively prime to 161888401.
161888401 has 2 divisors, whose sum is 161888402
The reverse of 161888401 is 104888161
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred sixty-one million eight hundred eighty-eight thousand four hundred one
Scientific notation
1.61888401 × 10^8
Engineering notation
1.61888401 × 10^6
Prime Factorization
161888401
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
161888401
Product of the distinct prime numbers
The prime factorization of 161888401 is 161888401.
Since it has a total of 1 prime factors.
1 , 8 , 95 , 51 , 686 , 184 , 7473 , 7820 , 38493 , 2840 , 680664 , 577372 , 2931840 , 679839 , 5648413 , 7005122 , 74759247 , 501179618 , 2102308407 , 7510668567
n×2
323776802
n×3
485665203
n×4
647553604
n×5
809442005
n÷2
80944200.5
n÷3
53962800.333333
n÷3
40472100.25
n÷5
32377680.2
n2
26207854378336801
n3
4.2427476389498E+24
n4
6.8685163111611E+32
n5
1.1119331228563E+41
2 √n
12723.537283319
3 √n
545.01097079731
4 √n
112.79865816276
5 √n
43.837234308384
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
161888402
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
80944201
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12723.537322616
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999876458
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161888401 can be divided by 2 positive divisors.
The sum of these divisors (counting 161888401) is 161888402, the average is 80944201.
Base
System
Value
2
Binary
1001101001100011100010010001
3
Ternary
102021121210010201
4
Quaternary
21221203202101
5
Quinary
312420412101
6
Senary
24021455201
8
Octal
1151434221
10
Decimal
161888401
12
Duodecimal
46271501
16
Hexadecimal
9a63891
20
Vigesimal
2abg101
36
Base36
2odtw1
md5
d57533e0bd3ab1e9f3aa99333b9c85f5
sha1
7369811577443326457ae52838cce6128a1d83eb
sha256
d483a0e893910054174065afa6fddda269058fd91a04812a0f715c80611cb656
sha512
2014e61194690039ffad2cb9620bd33d0eae4c9b44d1d5e4ec7e494ea55f6f3afdff1f5bc5ee9caa49d367e7d097edeac9bcfb0c230cad1cceca32f4bcb8ff12
ripemd-160
8ffdbb88cc9b689720b370081523ab8ffbe4ac76
Diameter
323776802
Circumference
1017174822.566
Area
8.2334402781334E+16
Volume
1.7771979751413E+25
Surface area
3.2933761112534E+17
Circumference
1017174822.566
Perimeter
647553604
Area
26207854378336801
Diagonal
228944772.28509
Surface area
157247126270020806
Volume
4.2427476389498E+24
Space diagonal
280398935.68808
Perimeter
485665203
Area
1.1348333835161E+16
Altitude
140199467.84404
Surface area
1.1348333835161E+16
Volume
5.000126043941E+23
Height
76314924.095031