1621876985 is an odd 10-digits composite number following 1621876984
and preceding 1621876986 . In scientific notation, it is written as 1.621876985 × 10^9.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 1297354240 positive integers (up to 1621876985) that are relatively prime to 1621876985.
1621876985 has 8 divisors, whose sum is 1946473416
The reverse of 1621876985 is 5896781261
Previous prime number is 14561
Is Prime? no Number parity odd Number length 10 Sum of Digits 53 Digital Root 8
Name
one billion six hundred twenty-one million eight hundred seventy-six thousand nine hundred eighty-five
Scientific notation
1.621876985 × 10^9
Engineering notation
1.621876985 × 10^9
Prime Factorization
5 × 14561 × 22277
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1621876985 Product of the distinct prime numbers
The prime factorization of 1621876985 is 5 × 14561 × 22277.
Since it has a total of 3 prime factors.
3 , 3 , 17 , 89 , 581 , 990 , 5825 , 3323 , 13738 , 25930 , 746936 , 864538 , 6927567 , 2763332 , 94692967 , 85776860 , 780782606 , 432907291 , 3710315931 , 8485909215
n×2
3243753970
n×3
4865630955
n×4
6487507940
n×5
8109384925
n÷2
810938492.5
n÷3
540625661.66667
n÷3
405469246.25
n÷5
324375397
n2
2630484954472690225
n3
4.266323007048E+27
n4
6.9194510957072E+36
n5
1.1222498480961E+46
2 √n40272.533878563
3 √n1174.913706655
4 √n200.68017809082
5 √n69.503005041415
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
-1621876984 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 1621876985 can be divided by 8 positive divisors.
The sum of these divisors (counting 1621876985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000101010111110000011111001
3
Ternary
11012000211212221222
4
Quaternary
1200222332003321
5
Quinary
11310200030420
6
Senary
424534241425
8
Octal
14052760371
10
Decimal
1621876985
12
Duodecimal
3931b6275
16
Hexadecimal
60abe0f9
20
Vigesimal
156gec95
36
Base36
qtmgah
md5
f1a32582aedb9bd582537a5b01351e5b
sha1
9a1745ac16b16567311314ee98e2a4144ba8afa6
sha256
d3828cd4bdb093a692035dd7b18793eab81f95cf723f347a9437d3c18b61656b
sha512
317627ff72a2fb0fed011367ac36b2fd66ad2f486e00f6d2c9124b2d79a53af70cebe80844b716653f6986186859c96e05985ac2c228a6e7001d33ca5add61ce
ripemd-160
11e1425382e952d196eb7064272dd328b55f7a68
Diameter
3243753970
Circumference
10190553642.205
Area
8.2639122083499E+18
Volume
1.7870732022378E+28
Surface area
3.30556488334E+19
Circumference
10190553642.205
Perimeter
6487507940
Area
2630484954472690225
Diagonal
2293680428.6878
Surface area
1.5782909726836E+19
Volume
4.266323007048E+27
Space diagonal
2809173341.6466
Perimeter
4865630955
Area
1.1390333974231E+18
Altitude
1404586670.8233
Surface area
1.1390333974231E+18
Volume
5.0279098816931E+26
Height
764560142.89593