1621489916 is an even 10-digits composite number following 1621489915
and preceding 1621489917 . In scientific notation, it is written as 1.621489916 × 10^9.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 806499840 positive integers (up to 1621489916) that are relatively prime to 1621489916.
1621489916 has 12 divisors, whose sum is 2852465280
The reverse of 1621489916 is 6199841261
Previous prime number is 191
Is Prime? no
Number parity even
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion six hundred twenty-one million four hundred eighty-nine thousand nine hundred sixteen
Scientific notation
1.621489916 × 10^9
Engineering notation
1.621489916 × 10^9
Prime Factorization
2 × 2 × 191 × 2122369
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
810744958
Product of the distinct prime numbers
The prime factorization of 1621489916 is 2 × 2 × 191 × 2122369.
Since it has a total of 4 prime factors.
6 , 6 , 63 , 26 , 223 , 555 , 1227 , 8935 , 65697 , 39495 , 416109 , 417558 , 6191467 , 532603 , 80502535 , 82999474 , 750444274 , 961636117 , 5634785146 , 1703117976
n×2
3242979832
n×3
4864469748
n×4
6485959664
n×5
8107449580
n÷2
810744958
n÷3
540496638.66667
n÷3
405372479
n÷5
324297983.2
n2
2629229547689687056
n3
4.2632691984281E+27
n4
6.9128480144445E+36
n5
1.1209113346262E+46
2 √n
40267.727971665
3 √n
1174.8202328876
4 √n
200.66820368874
5 √n
69.49968727719
1 , 2 , 4 , 191 , 382 , 764 , 2122369 , 4244738 , 8489476 , 405372479 , 810744958 , 1621489916
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1621489915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1621489916 can be divided by 12 positive divisors.
The sum of these divisors (counting 1621489916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100000101001011111100011111100
3
Ternary
11012000010020000002
4
Quaternary
1200221133203330
5
Quinary
11310100134131
6
Senary
424522053432
8
Octal
14051374374
10
Decimal
1621489916
12
Duodecimal
39304a278
16
Hexadecimal
60a5f8fc
20
Vigesimal
156e64fg
36
Base36
qte5mk
md5
5abc83359a0dfec6355be0ace6e6afd4
sha1
410a6e7d262618175d0e42cd6a21cafa3c9bf600
sha256
0987d25879b25128a6d932547017a52b6d17fcd150b82ab746598fe44b160158
sha512
5cf35c6a87cb34b5b61b68d8793ee065ae23d9dd759de34a4a98bbe494006552ebf9945a593ac057ff84063317db82214dd159e65c86437d6878f4bd0c44ef25
ripemd-160
b010e7d9138759069e9182ea2105c964b53b6004
Diameter
3242979832
Circumference
10188121615.951
Area
8.2599682316231E+18
Volume
1.7857940258743E+28
Surface area
3.3039872926493E+19
Circumference
10188121615.951
Perimeter
6485959664
Area
2629229547689687056
Diagonal
2293133030.4584
Surface area
1.5775377286138E+19
Volume
4.2632691984281E+27
Space diagonal
2808502918.4726
Perimeter
4864469748
Area
1.13848979034E+18
Altitude
1404251459.2363
Surface area
1.13848979034E+18
Volume
5.0243109337204E+26
Height
764377676.81947