161640369 is an odd 9-digits composite number following 161640368
and preceding 161640370 . In scientific notation, it is written as 1.61640369 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 92200320 positive integers (up to 161640369) that are relatively prime to 161640369.
161640369 has 24 divisors, whose sum is 269691552
The reverse of 161640369 is 963046161
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred sixty-one million six hundred forty thousand three hundred sixty-nine
Scientific notation
1.61640369 × 10^8
Engineering notation
1.61640369 × 10^6
Prime Factorization
3 × 3 × 11 × 17 × 96043
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
53880123
Product of the distinct prime numbers
The prime factorization of 161640369 is 3 × 3 × 11 × 17 × 96043.
Since it has a total of 5 prime factors.
8 , 6 , 44 , 56 , 380 , 931 , 1448 , 824 , 64755 , 10790 , 153639 , 590252 , 3813319 , 9288030 , 33082792 , 2987568 , 140722337 , 915911771 , 1381434163 , 5942366841
n×2
323280738
n×3
484921107
n×4
646561476
n×5
808201845
n÷2
80820184.5
n÷3
53880123
n÷3
40410092.25
n÷5
32328073.8
n2
26127608890456161
n3
4.223276342141E+24
n4
6.8265194633264E+32
n5
1.1034411250378E+41
2 √n
12713.786572064
3 √n
544.73248830283
4 √n
112.75542812683
5 √n
43.823793312647
1 , 3 , 9 , 11 , 17 , 33 , 51 , 99 , 153 , 187 , 561 , 1683 , 96043 , 288129 , 864387 , 1056473 , 1632731 , 3169419 , 4898193 , 9508257 , 14694579 , 17960041 , 53880123 , 161640369
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161640368
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161640369 can be divided by 24 positive divisors.
The sum of these divisors (counting 161640369) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000100110111110110001
3
Ternary
102021011011220100
4
Quaternary
21220212332301
5
Quinary
312334442434
6
Senary
24012303013
8
Octal
1150467661
10
Decimal
161640369
12
Duodecimal
46171a69
16
Hexadecimal
9a26fb1
20
Vigesimal
2aa50i9
36
Base36
2o8ii9
md5
b31ae10df438f8ded97c90b9d305ae16
sha1
cf78a6bd4089db76281fcbe03a205a9f27d71319
sha256
c87f28e22fafde32c91b8414f0dbdd498d0129e18a4b9b4ee4a162251b7d80e3
sha512
228a4dbf2bb7c4a5404cde2f74769151094b946c686bc6623c736a0b0e149fb6f918b643bca7027a5b1e8eb3a59407bce51ceceedae2d269ff649c8895982761
ripemd-160
4a8c36c41333bae7dcadab2876d4362ba2a0df03
Diameter
323280738
Circumference
1015616391.5479
Area
8.2082304146124E+16
Volume
1.7690418574066E+25
Surface area
3.283292165845E+17
Circumference
1015616391.5479
Perimeter
646561476
Area
26127608890456161
Diagonal
228594002.06679
Surface area
156765653342736966
Volume
4.223276342141E+24
Space diagonal
279969331.66218
Perimeter
484921107
Area
1.131358651964E+16
Altitude
139984665.83109
Surface area
1.131358651964E+16
Volume
4.9771789005877E+23
Height
76198000.688931