16451681 is an odd 8-digits prime number following 16451680
and preceding 16451682 . In scientific notation, it is written as 1.6451681 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 16451680 positive integers (up to 16451681) that are relatively prime to 16451681.
16451681 has 2 divisors, whose sum is 16451682
The reverse of 16451681 is 18615461
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixteen million four hundred fifty-one thousand six hundred eighty-one
Scientific notation
1.6451681 × 10^7
Engineering notation
1.6451681 × 10^6
Prime Factorization
16451681
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
16451681
Product of the distinct prime numbers
The prime factorization of 16451681 is 16451681.
Since it has a total of 1 prime factors.
3 , 9 , 48 , 38 , 977 , 259 , 670 , 1983 , 77848 , 48657 , 894354 , 424074 , 2667348 , 7732573 , 10271307 , 14938525 , 223417151 , 267209676 , 3553591759 , 4225143958
n×2
32903362
n×3
49355043
n×4
65806724
n×5
82258405
n÷2
8225840.5
n÷3
5483893.6666667
n÷3
4112920.25
n÷5
3290336.2
n2
270657807725761
n3
4.4527759128636E+21
n4
7.3255648882915E+28
n5
1.2051785668697E+36
2 √n
4056.0671838617
3 √n
254.33341731045
4 √n
63.687260765884
5 √n
27.748662579035
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
16451682
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
8225841
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4056.0673071338
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998784319
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16451681 can be divided by 2 positive divisors.
The sum of these divisors (counting 16451681) is 16451682, the average is 8225841.
Base
System
Value
2
Binary
111110110000100001100001
3
Ternary
1010221211110112
4
Quaternary
332300201201
5
Quinary
13202423211
6
Senary
1344341105
8
Octal
76604141
10
Decimal
16451681
12
Duodecimal
5614795
16
Hexadecimal
fb0861
20
Vigesimal
52g941
36
Base36
9sm75
md5
71906a207fbde29db3f82bcba8e885a7
sha1
5af02469865d357754675180fea300ca4a0852e2
sha256
bb9e1700b3d462f6ee3fd305ef2b4efffe62b922a0dba621d1ef4b8dbf96c826
sha512
36b8d276284da8c18c0beaf0fda35bf0fae9c98cd6f798c76d36aae9c96b0fea5a5687f94ac226e0c78ae267ac4bf73eac9aff80bf727e9acafbdf8080cf7c98
ripemd-160
3e04a43e9af447fcca2e5a4999680846f5b21a6c
Diameter
32903362
Circumference
103368960.33761
Area
8.5029658038797E+14
Volume
1.8651744127912E+22
Surface area
3.4011863215519E+15
Circumference
103368960.33761
Perimeter
65806724
Area
270657807725761
Diagonal
23266190.394036
Surface area
1623946846354566
Volume
4.4527759128636E+21
Space diagonal
28495147.361916
Perimeter
49355043
Area
1.1719826861156E+14
Altitude
14247573.680958
Surface area
1.1719826861156E+14
Volume
5.2476467384832E+20
Height
7755396.7980119