161900540 is an even 9-digits composite number following 161900539
and preceding 161900541 . In scientific notation, it is written as 1.61900540 × 10^8.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 64760208 positive integers (up to 161900540) that are relatively prime to 161900540.
161900540 has 12 divisors, whose sum is 339991176
The reverse of 161900540 is 045009161
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred sixty-one million nine hundred thousand five hundred forty
Scientific notation
1.61900540 × 10^8
Engineering notation
1.61900540 × 10^6
Prime Factorization
2 × 2 × 5 × 8095027
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80950270
Product of the distinct prime numbers
The prime factorization of 161900540 is 2 × 2 × 5 × 8095027.
Since it has a total of 4 prime factors.
2 , 3 , 35 , 7 , 651 , 955 , 7526 , 4950 , 79106 , 55780 , 23237 , 341131 , 423611 , 7102040 , 25346525 , 14726384 , 22353838 , 634338896 , 3198568619 , 3263849157
n×2
323801080
n×3
485701620
n×4
647602160
n×5
809502700
n÷2
80950270
n÷3
53966846.666667
n÷3
40475135
n÷5
32380108
n2
26211784852291600
n3
4.2437021219498E+24
n4
6.8705766514282E+32
n5
1.1123500699776E+41
2 √n
12724.01430367
3 √n
545.02459277965
4 √n
112.80077262
5 √n
43.837891704744
1 , 2 , 4 , 5 , 10 , 20 , 8095027 , 16190054 , 32380108 , 40475135 , 80950270 , 161900540
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161900539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161900540 can be divided by 12 positive divisors.
The sum of these divisors (counting 161900540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101001100110011111111100
3
Ternary
102021122101210022
4
Quaternary
21221212133330
5
Quinary
312421304130
6
Senary
24022031312
8
Octal
1151463774
10
Decimal
161900540
12
Duodecimal
46278538
16
Hexadecimal
9a667fc
20
Vigesimal
2abhb70
36
Base36
2oe398
md5
7edd51778c2308e9cecd1b72b82fa720
sha1
480285773f959bf540c4e33a86e9755d09a0e7b8
sha256
1b5d5d1078713e4cd843759efc6b5f5a772dd138a6ee52dfdf61bbec20c23df3
sha512
35c392a55034e9e3200a2d05bb493af5d54b53d98d507776ab6537eae9227577d510c466df6da10d9e8afafad1204176b9d58b9e6219e993f7e064e406b58cf3
ripemd-160
a2850a8f2ed61f63178c8ae59f67e5aabb70dfb1
Diameter
323801080
Circumference
1017251094.1524
Area
8.2346750729436E+16
Volume
1.7775977880455E+25
Surface area
3.2938700291774E+17
Circumference
1017251094.1524
Perimeter
647602160
Area
26211784852291600
Diagonal
228961939.42353
Surface area
157270709113749600
Volume
4.2437021219498E+24
Space diagonal
280419961.05284
Perimeter
485701620
Area
1.1350035780308E+16
Altitude
140209980.52642
Surface area
1.1350035780308E+16
Volume
5.0012509129441E+23
Height
76320646.474509