161844993 is an odd 9-digits composite number following 161844992
and preceding 161844994 . In scientific notation, it is written as 1.61844993 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 104979888 positive integers (up to 161844993) that are relatively prime to 161844993.
161844993 has 16 divisors, whose sum is 246252160
The reverse of 161844993 is 399448161
Previous prime number is 37
Is Prime? no Number parity odd Number length 9 Sum of Digits 45 Digital Root 9
Name
one hundred sixty-one million eight hundred forty-four thousand nine hundred ninety-three
Scientific notation
1.61844993 × 10^8
Engineering notation
1.61844993 × 10^6
Prime Factorization
3 × 9 × 37 × 162007
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
161844993 Product of the distinct prime numbers
The prime factorization of 161844993 is 3 × 9 × 37 × 162007.
Since it has a total of 4 prime factors.
8 , 7 , 43 , 92 , 42 , 743 , 3200 , 7397 , 72947 , 52919 , 937516 , 842661 , 1517275 , 162977 , 20672346 , 26211487 , 77412874 , 286624993 , 8947796873 , 1343340859
n×2
323689986
n×3
485534979
n×4
647379972
n×5
809224965
n÷2
80922496.5
n÷3
53948331
n÷3
40461248.25
n÷5
32368998.6
n2
26193801759170049
n3
4.2393356623563E+24
n4
6.861152505987E+32
n5
1.1104431793034E+41
2 √n12721.831354015
3 √n544.96225421047
4 √n112.79109607595
5 √n43.834883193937
1 , 3 , 9 , 27 , 37 , 111 , 333 , 999 , 162007 , 486021 , 1458063 , 4374189 , 5994259 , 17982777 , 53948331 , 161844993
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-161844992 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161844993 can be divided by 16 positive divisors.
The sum of these divisors (counting 161844993) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001011000111100000001
3
Ternary
102021112120121000
4
Quaternary
21221120330001
5
Quinary
312413014433
6
Senary
24020522213
8
Octal
1151307401
10
Decimal
161844993
12
Duodecimal
46250369
16
Hexadecimal
9a58f01
20
Vigesimal
2abac9d
36
Base36
2ocwe9
md5
be0a305c0cb52f76ef7ad3b3ed065cd3
sha1
da8008f56db2a1b1cff95a798f3998a0a4adb871
sha256
df618edfd94921724250bfc6a33f46b4bfadaf2380b3439f4f6b812bf9122af2
sha512
f99ff6534b1c811aa22d1b1c7217b81fd28319fbb541af3f12d5328495c85703c269a09e746306f0d8efcc7d19ff611a7d2d5ea52966d4fa232e6fbab9e3efe4
ripemd-160
f4ef75df280af5e137f66752487891fed586a598
Diameter
323689986
Circumference
1016902082.0582
Area
8.2290255176196E+16
Volume
1.775768769728E+25
Surface area
3.2916102070478E+17
Circumference
1016902082.0582
Perimeter
647379972
Area
26193801759170049
Diagonal
228883384.10278
Surface area
157162810555020294
Volume
4.2393356623563E+24
Space diagonal
280323750.82663
Perimeter
485534979
Area
1.1342248872567E+16
Altitude
140161875.41331
Surface area
1.1342248872567E+16
Volume
4.9961049909635E+23
Height
76294461.367593