161609957 is an odd 9-digits prime number following 161609956
and preceding 161609958 . In scientific notation, it is written as 1.61609957 × 10^8.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 161609956 positive integers (up to 161609957) that are relatively prime to 161609957.
161609957 has 2 divisors, whose sum is 161609958
The reverse of 161609957 is 759906161
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 44 Digital Root 8
Name
one hundred sixty-one million six hundred nine thousand nine hundred fifty-seven
Scientific notation
1.61609957 × 10^8
Engineering notation
1.61609957 × 10^6
Prime Factorization
161609957
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
161609957 Product of the distinct prime numbers
The prime factorization of 161609957 is 161609957.
Since it has a total of 1 prime factors.
6 , 4 , 35 , 14 , 21 , 61 , 5477 , 1122 , 48774 , 81574 , 836422 , 256400 , 3712953 , 1653967 , 66470593 , 38439700 , 332550602 , 351030160 , 6363960572 , 3647172062
n×2
323219914
n×3
484829871
n×4
646439828
n×5
808049785
n÷2
80804978.5
n÷3
53869985.666667
n÷3
40402489.25
n÷5
32321991.4
n2
26117778201541849
n3
4.2208930120867E+24
n4
6.8213833818493E+32
n5
1.1024034750212E+41
2 √n12712.59049132
3 √n544.69832306797
4 √n112.75012412995
5 √n43.822144133641
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
161609958 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
80804979 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12712.590530651 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999876245 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161609957 can be divided by 2 positive divisors.
The sum of these divisors (counting 161609957) is 161609958, the average is 80804979.
Base
System
Value
2
Binary
1001101000011111100011100101
3
Ternary
102021002122011222
4
Quaternary
21220133203211
5
Quinary
312333004312
6
Senary
24011510125
8
Octal
1150374345
10
Decimal
161609957
12
Duodecimal
46158345
16
Hexadecimal
9a1f8e5
20
Vigesimal
2aa14hh
36
Base36
2o7v1h
md5
0d4c94ab44343ae52c10422726f94cc4
sha1
23c3ca2d7d16f21c8721bfcb3bd4edd0bc34eb89
sha256
dac598f109390660f98e8fda31d28dda7aaff1c9cd8694655d4cd4098761fe85
sha512
2f85f88748bdd37442296095b324e4d77c7ec3d0eb3f258b4edf74d2be4debf4c77dbd6d7b10b5afc6aa36758f67dca72132bce3750606147a618c21c2543207
ripemd-160
5dab2be8ad4164547a679e78cb052bb46ad38355
Diameter
323219914
Circumference
1015425307.3163
Area
8.2051420126052E+16
Volume
1.768043530448E+25
Surface area
3.2820568050421E+17
Circumference
1015425307.3163
Perimeter
646439828
Area
26117778201541849
Diagonal
228550993.00393
Surface area
156706669209251094
Volume
4.2208930120867E+24
Space diagonal
279916656.53302
Perimeter
484829871
Area
1.1309329706471E+16
Altitude
139958328.26651
Surface area
1.1309329706471E+16
Volume
4.9743701191824E+23
Height
76183664.334644