16401989 is an odd 8-digits composite number following 16401988
and preceding 16401990 . In scientific notation, it is written as 1.6401989 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 15957360 positive integers (up to 16401989) that are relatively prime to 16401989.
16401989 has 6 divisors, whose sum is 16858674
The reverse of 16401989 is 98910461
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixteen million four hundred one thousand nine hundred eighty-nine
Scientific notation
1.6401989 × 10^7
Engineering notation
1.6401989 × 10^6
Prime Factorization
37 × 37 × 11981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
443297
Product of the distinct prime numbers
The prime factorization of 16401989 is 37 × 37 × 11981.
Since it has a total of 3 prime factors.
7 , 5 , 34 , 100 , 566 , 233 , 6474 , 3126 , 32820 , 80417 , 257332 , 153523 , 6565383 , 2123320 , 96235842 , 72955015 , 815892871 , 435635640 , 4951794482 , 9697337532
n×2
32803978
n×3
49205967
n×4
65607956
n×5
82009945
n÷2
8200994.5
n÷3
5467329.6666667
n÷3
4100497.25
n÷5
3280397.8
n2
269025243156121
n3
4.412549078969E+21
n4
7.237458145521E+28
n5
1.187087088908E+36
2 √n
4049.9369130889
3 √n
254.07708925519
4 √n
63.639114647274
5 √n
27.73187942445
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16401988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16401989 can be divided by 6 positive divisors.
The sum of these divisors (counting 16401989) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111110100100011001000101
3
Ternary
1010212022022002
4
Quaternary
332210121011
5
Quinary
13144330424
6
Senary
1343315045
8
Octal
76443105
10
Decimal
16401989
12
Duodecimal
55aba85
16
Hexadecimal
fa4645
20
Vigesimal
52a4j9
36
Base36
9rjut
md5
2503ca53780760c417ca071b8b2bd11e
sha1
98d44ad62740a0c7eb92f14b456abefc504ea9fd
sha256
6fb817c8db13a1e0f853cd9b57d12c126859593a008ca076d38c0248e320e1ec
sha512
1955a90c586018f2f85b9739b20377aee29cba75ca482f9f94ee0e0775e70c99cb375a314d049a1aabcfb264adcaef9097cce8251bfd1e99a5ac827e1c16cc5c
ripemd-160
fb6f8b40abdf0192a066c4e036bf2556e8bbce13
Diameter
32803978
Circumference
103056736.29332
Area
8.4516772752948E+14
Volume
1.8483242360125E+22
Surface area
3.3806709101179E+15
Circumference
103056736.29332
Perimeter
65607956
Area
269025243156121
Diagonal
23195915.293694
Surface area
1614151458936726
Volume
4.412549078969E+21
Space diagonal
28409078.293186
Perimeter
49205967
Area
1.1649134741624E+14
Altitude
14204539.146593
Surface area
1.1649134741624E+14
Volume
5.2002389600958E+20
Height
7731971.7645648