172019961 is an odd 9-digits composite number following 172019960
and preceding 172019962 . In scientific notation, it is written as 1.72019961 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors.
There are 110975040 positive integers (up to 172019961) that are relatively prime to 172019961.
172019961 has 18 divisors, whose sum is 256760010
The reverse of 172019961 is 169910271
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred seventy-two million nineteen thousand nine hundred sixty-one
Scientific notation
1.72019961 × 10^8
Engineering notation
1.72019961 × 10^6
Prime Factorization
3 × 3 × 31 × 31 × 19889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1849677
Product of the distinct prime numbers
The prime factorization of 172019961 is 3 × 3 × 31 × 31 × 19889.
Since it has a total of 5 prime factors.
1 , 2 , 83 , 53 , 268 , 119 , 9121 , 5555 , 51105 , 44412 , 135212 , 598637 , 9327951 , 2849854 , 71609312 , 82086454 , 494773712 , 349472036 , 5396358318 , 4125951231
n×2
344039922
n×3
516059883
n×4
688079844
n×5
860099805
n÷2
86009980.5
n÷3
57339987
n÷3
43004990.25
n÷5
34403992.2
n2
29590866982441521
n3
5.0902197842758E+24
n4
8.7561940877255E+32
n5
1.506240165479E+41
2 √n
13115.638032517
3 √n
556.15128920459
4 √n
114.52352610934
5 √n
44.37269115242
1 , 3 , 9 , 31 , 93 , 279 , 961 , 2883 , 8649 , 19889 , 59667 , 179001 , 616559 , 1849677 , 5549031 , 19113329 , 57339987 , 172019961
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-172019960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 172019961 can be divided by 18 positive divisors.
The sum of these divisors (counting 172019961) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1010010000001101000011111001
3
Ternary
102222200112000200
4
Quaternary
22100031003321
5
Quinary
323014114321
6
Senary
25022552413
8
Octal
1220150371
10
Decimal
172019961
12
Duodecimal
49738709
16
Hexadecimal
a40d0f9
20
Vigesimal
2df29i1
36
Base36
2uezg9
md5
a6eca232b03515b7e8c6afbcbb570c34
sha1
9bc415f3b39a84bd0d72b0941e6be5eba9d0e104
sha256
5ac18b7ec7bc4f999ea4cfd85daa1f29c81151510a81e1463a193a0e6a6610f9
sha512
2bb234feb3fdd3d73f9cc1d7d9cd4c0fd4301288695ef8323d9058041b6a7fc8ed6be82dce3c573743094f5f5118b5e13c6cf0784337455d432a824ca3bf5ca7
ripemd-160
347dcbe8c36b0c9380416371d19b714c4f2b09c6
Diameter
344039922
Circumference
1080833291.4968
Area
9.2962450325391E+16
Volume
2.1321862772584E+25
Surface area
3.7184980130156E+17
Circumference
1080833291.4968
Perimeter
688079844
Area
29590866982441521
Diagonal
243272961.84509
Surface area
177545201894649126
Volume
5.0902197842758E+24
Space diagonal
297947312.36802
Perimeter
516059883
Area
1.28132212634E+16
Altitude
148973656.18401
Surface area
1.28132212634E+16
Volume
5.9988815453189E+23
Height
81090987.281697