161884994 is an even 9-digits composite number following 161884993
and preceding 161884995 . In scientific notation, it is written as 1.61884994 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 77423236 positive integers (up to 161884994) that are relatively prime to 161884994.
161884994 has 8 divisors, whose sum is 253385280
The reverse of 161884994 is 499488161
Previous prime number is 23
Is Prime? no Number parity even Number length 9 Sum of Digits 50 Digital Root 5
Name
one hundred sixty-one million eight hundred eighty-four thousand nine hundred ninety-four
Scientific notation
1.61884994 × 10^8
Engineering notation
1.61884994 × 10^6
Prime Factorization
2 × 23 × 3519239
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
161884994 Product of the distinct prime numbers
The prime factorization of 161884994 is 2 × 23 × 3519239.
Since it has a total of 3 prime factors.
2 , 3 , 53 , 20 , 556 , 291 , 9030 , 7437 , 77047 , 60555 , 527747 , 721912 , 5063313 , 4430324 , 78944389 , 1133998 , 945540813 , 139530523 , 4273015628 , 4014801329
n×2
323769988
n×3
485654982
n×4
647539976
n×5
809424970
n÷2
80942497
n÷3
53961664.666667
n÷3
40471248.5
n÷5
32376998.8
n2
26206751282380036
n3
4.2424797741076E+24
n4
6.8679381277653E+32
n5
1.1118161226057E+41
2 √n12723.40339689
3 √n545.00714745277
4 √n112.79806468593
5 √n43.837049792738
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-161884993 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161884994 can be divided by 8 positive divisors.
The sum of these divisors (counting 161884994) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001100010101101000010
3
Ternary
102021121121110112
4
Quaternary
21221202231002
5
Quinary
312420304434
6
Senary
24021431322
8
Octal
1151425502
10
Decimal
161884994
12
Duodecimal
4626b542
16
Hexadecimal
9a62b42
20
Vigesimal
2abfc9e
36
Base36
2odr9e
md5
c942f5ee5a7e000dd18c0e39fd207b9c
sha1
f8d20226fcfeb1478a459745cf00d2ada347c045
sha256
62c1048dd6a1ff738fe0cdd29d75722439a0d1fa0db3ad64a3d16790f259698d
sha512
59722f2af59b0f68d1dd45ceefb0590c15a5a474d7356e983354277dabc57b07d05c1451987cc7bc5812633976b004c9f0e48eee1887bb58eecd626fcca4d3d6
ripemd-160
27d67f76df90a000224c2f512b19612aec81ab49
Diameter
323769988
Circumference
1017153415.7537
Area
8.233093730318E+16
Volume
1.7770857721786E+25
Surface area
3.2932374921272E+17
Circumference
1017153415.7537
Perimeter
647539976
Area
26206751282380036
Diagonal
228939954.05949
Surface area
157240507694280216
Volume
4.2424797741076E+24
Space diagonal
280393034.59098
Perimeter
485654982
Area
1.1347856180601E+16
Altitude
140196517.29549
Surface area
1.1347856180601E+16
Volume
4.9998103621971E+23
Height
76313318.019829