16401985 is an odd 8-digits composite number following 16401984
and preceding 16401986 . In scientific notation, it is written as 1.6401985 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 12906240 positive integers (up to 16401985) that are relatively prime to 16401985.
16401985 has 8 divisors, whose sum is 20005416
The reverse of 16401985 is 58910461
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixteen million four hundred one thousand nine hundred eighty-five
Scientific notation
1.6401985 × 10^7
Engineering notation
1.6401985 × 10^6
Prime Factorization
5 × 61 × 53777
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16401985
Product of the distinct prime numbers
The prime factorization of 16401985 is 5 × 61 × 53777.
Since it has a total of 3 prime factors.
5 , 2 , 36 , 2 , 905 , 550 , 2237 , 4196 , 65613 , 12980 , 146414 , 11010 , 9897244 , 5824948 , 87878609 , 23948124 , 526363314 , 716984127 , 1644941175 , 7156256698
n×2
32803970
n×3
49205955
n×4
65607940
n×5
82009925
n÷2
8200992.5
n÷3
5467328.3333333
n÷3
4100496.25
n÷5
3280397
n2
269025111940225
n3
4.4125458506669E+21
n4
7.2374510854451E+28
n5
1.187085641417E+36
2 √n
4049.936419254
3 √n
254.07706860102
4 √n
63.63911076731
5 √n
27.731878071839
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16401984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16401985 can be divided by 8 positive divisors.
The sum of these divisors (counting 16401985) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110100100011001000001
3
Ternary
1010212022021221
4
Quaternary
332210121001
5
Quinary
13144330420
6
Senary
1343315041
8
Octal
76443101
10
Decimal
16401985
12
Duodecimal
55aba81
16
Hexadecimal
fa4641
20
Vigesimal
52a4j5
36
Base36
9rjup
md5
e62bf5c2af0b34a1e8183a8c479c7c71
sha1
215d9a2050fb5890ee57186d703f1891f9ab7f42
sha256
ec07f228d48401be66193168cc2f5499b3e54534a420d3ce0ea0fa49f261da16
sha512
8fba8a15add654ad3428cb3004cec35df273d2a9b9a9996fe6143bfeb7b7f49e32c5154fdc712d8c2ee755fb0bb4d352300b9718aa928bb54f0a9ae583262d8b
ripemd-160
692f53fa39bc8dda275643c8c8085484f610b9fe
Diameter
32803970
Circumference
103056711.16058
Area
8.4516731530258E+14
Volume
1.8483228837444E+22
Surface area
3.3806692612103E+15
Circumference
103056711.16058
Perimeter
65607940
Area
269025111940225
Diagonal
23195909.63684
Surface area
1614150671641350
Volume
4.4125458506669E+21
Space diagonal
28409071.364983
Perimeter
49205955
Area
1.1649129059809E+14
Altitude
14204535.682491
Surface area
1.1649129059809E+14
Volume
5.2002351555052E+20
Height
7731969.8789467