161884993 is an odd 9-digits prime number following 161884992
and preceding 161884994 . In scientific notation, it is written as 1.61884993 × 10^8.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 161884992 positive integers (up to 161884993) that are relatively prime to 161884993.
161884993 has 2 divisors, whose sum is 161884994
The reverse of 161884993 is 399488161
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred sixty-one million eight hundred eighty-four thousand nine hundred ninety-three
Scientific notation
1.61884993 × 10^8
Engineering notation
1.61884993 × 10^6
Prime Factorization
161884993
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
161884993 Product of the distinct prime numbers
The prime factorization of 161884993 is 161884993.
Since it has a total of 1 prime factors.
6 , 4 , 78 , 37 , 396 , 608 , 4708 , 7376 , 40497 , 67228 , 928739 , 766308 , 7480958 , 7253704 , 64220134 , 40704968 , 10448850 , 654874976 , 1844001922 , 7979611515
n×2
323769986
n×3
485654979
n×4
647539972
n×5
809424965
n÷2
80942496.5
n÷3
53961664.333333
n÷3
40471248.25
n÷5
32376998.6
n2
26206750958610049
n3
4.2424796954873E+24
n4
6.8679379580661E+32
n5
1.111816088266E+41
2 √n12723.403357593
3 √n545.00714633056
4 √n112.79806451173
5 √n43.83704973858
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
161884994 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
80942497 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12723.40339689 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999876456 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161884993 can be divided by 2 positive divisors.
The sum of these divisors (counting 161884993) is 161884994, the average is 80942497.
Base
System
Value
2
Binary
1001101001100010101101000001
3
Ternary
102021121121110111
4
Quaternary
21221202231001
5
Quinary
312420304433
6
Senary
24021431321
8
Octal
1151425501
10
Decimal
161884993
12
Duodecimal
4626b541
16
Hexadecimal
9a62b41
20
Vigesimal
2abfc9d
36
Base36
2odr9d
md5
a2b111ae17610b5d33355890b6003d24
sha1
ba92affda3aef5195fe4acb3fdb5d7bd8041a49e
sha256
5a3e7d60fff0f08be7cfd68dcd2c29910a9acbb28c816b5c79ac5b20e1e34ed9
sha512
31b1d921a0168e21c84f44e192ab756c6a6fbc76526541af285fa4740f0d87dae954e915bdc7892ecdbdaa10482911317e2f7cf6c1e257af9dbf50a66a056115
ripemd-160
1fd86c236f704d3efa6e19e3a8a48e185bfefd81
Diameter
323769986
Circumference
1017153409.4705
Area
8.2330936286027E+16
Volume
1.7770857392462E+25
Surface area
3.2932374514411E+17
Circumference
1017153409.4705
Perimeter
647539972
Area
26206750958610049
Diagonal
228939952.64527
Surface area
157240505751660294
Volume
4.2424796954873E+24
Space diagonal
280393032.85893
Perimeter
485654979
Area
1.1347856040404E+16
Altitude
140196516.42947
Surface area
1.1347856040404E+16
Volume
4.9998102695422E+23
Height
76313317.548425