163944891 is an odd 9-digits composite number following 163944890
and preceding 163944892 . In scientific notation, it is written as 1.63944891 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 96655680 positive integers (up to 163944891) that are relatively prime to 163944891.
163944891 has 32 divisors, whose sum is 254032128
The reverse of 163944891 is 198449361
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-three million nine hundred forty-four thousand eight hundred ninety-one
Scientific notation
1.63944891 × 10^8
Engineering notation
1.63944891 × 10^6
Prime Factorization
3 × 27 × 11 × 37 × 4973
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
163944891
Product of the distinct prime numbers
The prime factorization of 163944891 is 3 × 27 × 11 × 37 × 4973.
Since it has a total of 5 prime factors.
10 , 8 , 16 , 26 , 159 , 729 , 9342 , 1206 , 85207 , 8378 , 518395 , 289166 , 1304014 , 5581820 , 83265750 , 83381647 , 730764637 , 780723489 , 8268315535 , 4810605324
n×2
327889782
n×3
491834673
n×4
655779564
n×5
819724455
n÷2
81972445.5
n÷3
54648297
n÷3
40986222.75
n÷5
32788978.2
n2
26877927285001881
n3
4.4064988590456E+24
n4
7.2242297513785E+32
n5
1.1843755591487E+41
2 √n
12804.09664912
3 √n
547.30904956724
4 √n
113.1551883438
5 √n
43.948046713555
1 , 3 , 11 , 27 , 33 , 37 , 81 , 111 , 297 , 407 , 891 , 999 , 1221 , 2997 , 4973 , 10989 , 14919 , 32967 , 54703 , 134271 , 164109 , 184001 , 402813 , 552003 , 1476981 , 2024011 , 4430943 , 4968027 , 6072033 , 14904081 , 54648297 , 163944891
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-163944890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 163944891 can be divided by 32 positive divisors.
The sum of these divisors (counting 163944891) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110001011001100110111011
3
Ternary
102102111021010000
4
Quaternary
21301121212323
5
Quinary
313432214031
6
Senary
24133524043
8
Octal
1161314673
10
Decimal
163944891
12
Duodecimal
46aa3623
16
Hexadecimal
9c599bb
20
Vigesimal
2b4d24b
36
Base36
2plwor
md5
a8197ae831a52eed69508e75ddd3122a
sha1
42c315fe91d4301522896c46469b90e5a103bfc7
sha256
72d94b53ad4a43bc0c696374f587ccd7b2552adba625821cbc30326b4758747b
sha512
ce1b37110d19e48a92d1e18d02fd3b727529e199210400e943fee5300159430c80626e99f7dc55286243e1153b967e9cd356bc42bb387b2fc701ab259c74ce57
ripemd-160
5b7c26d89fe23b4d2e11f8d910e9bfb12f2f5d05
Diameter
327889782
Circumference
1030096130.3184
Area
8.4439498902283E+16
Volume
1.8457899258172E+25
Surface area
3.3775799560913E+17
Circumference
1030096130.3184
Perimeter
655779564
Area
26877927285001881
Diagonal
231853088.33398
Surface area
161267563710011286
Volume
4.4064988590456E+24
Space diagonal
283960880.85334
Perimeter
491834673
Area
1.1638483914941E+16
Altitude
141980440.42667
Surface area
1.1638483914941E+16
Volume
5.1931087075365E+23
Height
77284362.777993