16401921 is an odd 8-digits composite number following 16401920
and preceding 16401922 . In scientific notation, it is written as 1.6401921 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 9907920 positive integers (up to 16401921) that are relatively prime to 16401921.
16401921 has 16 divisors, whose sum is 24023040
The reverse of 16401921 is 12910461
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
sixteen million four hundred one thousand nine hundred twenty-one
Scientific notation
1.6401921 × 10^7
Engineering notation
1.6401921 × 10^6
Prime Factorization
3 × 23 × 19 × 12511
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16401921
Product of the distinct prime numbers
The prime factorization of 16401921 is 3 × 23 × 19 × 12511.
Since it has a total of 4 prime factors.
4 , 8 , 11 , 88 , 707 , 672 , 2674 , 320 , 76493 , 7853 , 16641 , 515898 , 5341402 , 617736 , 56410756 , 73377941 , 15584812 , 773731681 , 3024683440 , 6031074429
n×2
32803842
n×3
49205763
n×4
65607684
n×5
82009605
n÷2
8200960.5
n÷3
5467307
n÷3
4100480.25
n÷5
3280384.2
n2
269023012490241
n3
4.4124941980469E+21
n4
7.2373381249324E+28
n5
1.1870624817543E+36
2 √n
4049.9285178877
3 √n
254.07673813383
4 √n
63.639048687796
5 √n
27.731856430032
1 , 3 , 19 , 23 , 57 , 69 , 437 , 1311 , 12511 , 37533 , 237709 , 287753 , 713127 , 863259 , 5467307 , 16401921
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
-16401920
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 16401921 can be divided by 16 positive divisors.
The sum of these divisors (counting 16401921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110100100011000000001
3
Ternary
1010212022012120
4
Quaternary
332210120001
5
Quinary
13144330141
6
Senary
1343314453
8
Octal
76443001
10
Decimal
16401921
12
Duodecimal
55aba29
16
Hexadecimal
fa4601
20
Vigesimal
52a4g1
36
Base36
9rjsx
md5
fd9ead4bfbfeb5b6024b3438cbecc942
sha1
9e5fa59c530c0fc9ed93eda12c6f802e47e25f48
sha256
be787d47cb76d16f1b04cf074f4987c5332580c97d201911ed85c2a1e4b2c359
sha512
202c61473f1db1b2068fb1bcc13e668e859b96c9fcb25121fe1cf5e4139e95943775ab5344f3b9f1e941da468ff5cf6e2f3589c6a26f70f322d3f3c1d7faa934
ripemd-160
e52313c3c536c2f8477a477b757b98d255a605d2
Diameter
32803842
Circumference
103056309.03672
Area
8.4516071968594E+14
Volume
1.8483012475456E+22
Surface area
3.3806428787437E+15
Circumference
103056309.03672
Perimeter
65607684
Area
269023012490241
Diagonal
23195819.127172
Surface area
1614138074941446
Volume
4.4124941980469E+21
Space diagonal
28408960.513731
Perimeter
49205763
Area
1.1649038150958E+14
Altitude
14204480.256865
Surface area
1.1649038150958E+14
Volume
5.2001742823088E+20
Height
7731939.7090574