19902961 is an odd 8-digits composite number following 19902960
and preceding 19902962 . In scientific notation, it is written as 1.9902961 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 17035200 positive integers (up to 19902961) that are relatively prime to 19902961.
19902961 has 16 divisors, whose sum is 22397760
The reverse of 19902961 is 16920991
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
nineteen million nine hundred two thousand nine hundred sixty-one
Scientific notation
1.9902961 × 10^7
Engineering notation
1.9902961 × 10^6
Prime Factorization
403 × 13 × 131 × 29
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19902961
Product of the distinct prime numbers
The prime factorization of 19902961 is 403 × 13 × 131 × 29.
Since it has a total of 4 prime factors.
7 , 1 , 92 , 26 , 550 , 87 , 8983 , 6880 , 33671 , 86436 , 303453 , 605588 , 8682020 , 1674616 , 97073615 , 11572803 , 421350190 , 889567848 , 3415743905 , 8518926029
n×2
39805922
n×3
59708883
n×4
79611844
n×5
99514805
n÷2
9951480.5
n÷3
6634320.3333333
n÷3
4975740.25
n÷5
3980592.2
n2
396127856567521
n3
7.884117280277E+21
n4
1.5691727874878E+29
n5
3.1231184791631E+36
2 √n
4461.2734728999
3 √n
271.00204244046
4 √n
66.792765123925
5 √n
28.825943987051
1 , 13 , 29 , 131 , 377 , 403 , 1703 , 3799 , 5239 , 11687 , 49387 , 52793 , 151931 , 686309 , 1530997 , 19902961
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902961 can be divided by 16 positive divisors.
The sum of these divisors (counting 19902961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011111011000111110001
3
Ternary
1101110011201201
4
Quaternary
1023323013301
5
Quinary
20043343321
6
Senary
1550331201
8
Octal
113730761
10
Decimal
19902961
12
Duodecimal
67b9b01
16
Hexadecimal
12fb1f1
20
Vigesimal
647h81
36
Base36
bul81
md5
1f06e9288e4189a4684384b9816d2f7a
sha1
121db2a4ff63dea8782bde33ac2eb8880768eaf4
sha256
d301f8bd97617fad3ab1e0dba25b5ce91e72d7938cd1df4749ab5613966a63c1
sha512
e523f6dda62691e2376a07c4ae67142954bff5f23763e0a44610d5ae0952e1e0f45fc93de56caacdddaaa6af4a6f5e97ab0d3da2485e4beab9a3624932907512
ripemd-160
98d299c332e39f389954b4451dee258a79cbd882
Diameter
39805922
Circumference
125053992.12457
Area
1.2444723640748E+15
Volume
3.3024913237011E+22
Surface area
4.9778894562992E+15
Circumference
125053992.12457
Perimeter
79611844
Area
396127856567521
Diagonal
28147037.377583
Surface area
2376767139405126
Volume
7.884117280277E+21
Space diagonal
34472939.673062
Perimeter
59708883
Area
1.7152839346708E+14
Altitude
17236469.836531
Surface area
1.7152839346708E+14
Volume
9.2915213209231E+20
Height
9382345.7925276