161730972 is an even 9-digits composite number following 161730971
and preceding 161730973 . In scientific notation, it is written as 1.61730972 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 49757760 positive integers (up to 161730972) that are relatively prime to 161730972.
161730972 has 24 divisors, whose sum is 305703552
The reverse of 161730972 is 279037161
Previous prime number is 13
Is Prime? no Number parity even Number length 9 Sum of Digits 36 Digital Root 9
Name
one hundred sixty-one million seven hundred thirty thousand nine hundred seventy-two
Scientific notation
1.61730972 × 10^8
Engineering notation
1.61730972 × 10^6
Prime Factorization
2 × 2 × 351 × 13 × 8861
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
80865486 Product of the distinct prime numbers
The prime factorization of 161730972 is 2 × 2 × 351 × 13 × 8861.
Since it has a total of 5 prime factors.
2 , 6 , 60 , 41 , 261 , 285 , 9153 , 2678 , 4273 , 227 , 653561 , 881837 , 9283274 , 4452728 , 89082425 , 80574140 , 148905083 , 805212932 , 8360476339 , 5485966692
n×2
323461944
n×3
485192916
n×4
646923888
n×5
808654860
n÷2
80865486
n÷3
53910324
n÷3
40432743
n÷5
32346194.4
n2
26156907304064784
n3
4.2303820428003E+24
n4
6.8418379971344E+32
n5
1.1065371095431E+41
2 √n12717.349252104
3 √n544.8342474929
4 √n112.77122528422
5 √n43.828705052497
1 , 2 , 4 , 13 , 26 , 52 , 351 , 702 , 1404 , 4563 , 8861 , 9126 , 17722 , 18252 , 35444 , 115193 , 230386 , 460772 , 3110211 , 6220422 , 12440844 , 40432743 , 80865486 , 161730972
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-161730971 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161730972 can be divided by 24 positive divisors.
The sum of these divisors (counting 161730972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000111101000110011100
3
Ternary
102021022210012000
4
Quaternary
21220331012130
5
Quinary
312400342342
6
Senary
24014242300
8
Octal
1150750634
10
Decimal
161730972
12
Duodecimal
461b6390
16
Hexadecimal
9a3d19c
20
Vigesimal
2aag78c
36
Base36
2oagf0
md5
92fd6f8488b9d4bfd330889d8ed8177e
sha1
42cf785ad42d6c1d9177856ca4e3bf5b25d129d9
sha256
4addd043b8b6aef9d84ff30e8fa03643de489aae26158076f762dfe14dc7b587
sha512
c79df18c79f6e3bd5bf9aab3c66e5e4848ecf21f9d368d40565ede6021963d255c42b1a7564c5b0883c8a1179a624ae0e4cf60783b9c2e83a0ec9f8d400b5197
ripemd-160
24b5f65f0f4e1b83de21393611038eb3ffe6219b
Diameter
323461944
Circumference
1016185666.9863
Area
8.2174347827079E+16
Volume
1.7720182863386E+25
Surface area
3.2869739130832E+17
Circumference
1016185666.9863
Perimeter
646923888
Area
26156907304064784
Diagonal
228722134.05818
Surface area
156941443824388704
Volume
4.2303820428003E+24
Space diagonal
280126260.6615
Perimeter
485192916
Area
1.1326273104877E+16
Altitude
140063130.33075
Surface area
1.1326273104877E+16
Volume
4.9855530491231E+23
Height
76240711.352728