161609897 is an odd 9-digits composite number following 161609896
and preceding 161609898 . In scientific notation, it is written as 1.61609897 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 161495376 positive integers (up to 161609897) that are relatively prime to 161609897.
161609897 has 4 divisors, whose sum is 161724420
The reverse of 161609897 is 798906161
Previous prime number is 1429
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred sixty-one million six hundred nine thousand eight hundred ninety-seven
Scientific notation
1.61609897 × 10^8
Engineering notation
1.61609897 × 10^6
Prime Factorization
1429 × 113093
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161609897
Product of the distinct prime numbers
The prime factorization of 161609897 is 1429 × 113093.
Since it has a total of 2 prime factors.
1 , 7 , 1 , 48 , 903 , 370 , 579 , 9694 , 31989 , 43025 , 132389 , 396821 , 8114745 , 5650048 , 40132622 , 32216881 , 643941262 , 853628703 , 7029317590 , 7344722704
n×2
323219794
n×3
484829691
n×4
646439588
n×5
808049485
n÷2
80804948.5
n÷3
53869965.666667
n÷3
40402474.25
n÷5
32321979.4
n2
26117758808350609
n3
4.2208883108884E+24
n4
6.8213732517118E+32
n5
1.1024014286077E+41
2 √n
12712.588131455
3 √n
544.69825565895
4 √n
112.75011366493
5 √n
43.822140879721
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
-161609896
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 161609897 can be divided by 4 positive divisors.
The sum of these divisors (counting 161609897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000011111100010101001
3
Ternary
102021002122002202
4
Quaternary
21220133202221
5
Quinary
312333004042
6
Senary
24011505545
8
Octal
1150374251
10
Decimal
161609897
12
Duodecimal
461582b5
16
Hexadecimal
9a1f8a9
20
Vigesimal
2aa14eh
36
Base36
2o7uzt
md5
ca7660e0c0dd5f57b7681673606b494e
sha1
23ce90746f797e54a13583bb38d229a9193ec072
sha256
0185bd4a9fa69e9285486b536dac7de034b8c4c0302d313313d724b8ab059e2a
sha512
77fbd6e4c985bc508ed6c2470082d0f6d935a0d4aa508272260945deb60f85b6d221a0a9c249b7c491ff79d03a67aa6de87af2eaf39cd971bc4dad1e3c280e4d
ripemd-160
df52cd0c9af8c8afd3e3865a016b4e467468729c
Diameter
323219794
Circumference
1015424930.3252
Area
8.2051359200544E+16
Volume
1.7680415612147E+25
Surface area
3.2820543680218E+17
Circumference
1015424930.3252
Perimeter
646439588
Area
26117758808350609
Diagonal
228550908.15112
Surface area
156706552850103654
Volume
4.2208883108884E+24
Space diagonal
279916552.60997
Perimeter
484829691
Area
1.1309321308973E+16
Altitude
139958276.30499
Surface area
1.1309321308973E+16
Volume
4.974364578767E+23
Height
76183636.050373