1621473989 is an odd 10-digits composite number following 1621473988
and preceding 1621473990 . In scientific notation, it is written as 1.621473989 × 10^9.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 1621382700 positive integers (up to 1621473989) that are relatively prime to 1621473989.
1621473989 has 4 divisors, whose sum is 1621565280
The reverse of 1621473989 is 9893741261
Previous prime number is 24151
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion six hundred twenty-one million four hundred seventy-three thousand nine hundred eighty-nine
Scientific notation
1.621473989 × 10^9
Engineering notation
1.621473989 × 10^9
Prime Factorization
24151 × 67139
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1621473989
Product of the distinct prime numbers
The prime factorization of 1621473989 is 24151 × 67139.
Since it has a total of 2 prime factors.
8 , 3 , 18 , 91 , 521 , 64 , 8774 , 2811 , 17172 , 630 , 146402 , 845135 , 8758552 , 8673407 , 10653004 , 17854606 , 949966864 , 121826426 , 9202931255 , 9384756469
n×2
3242947978
n×3
4864421967
n×4
6485895956
n×5
8107369945
n÷2
810736994.5
n÷3
540491329.66667
n÷3
405368497.25
n÷5
324294797.8
n2
2629177897003572121
n3
4.263143572445E+27
n4
6.9125764140921E+36
n5
1.1208562852425E+46
2 √n
40267.530207352
3 √n
1174.8163863382
4 √n
200.66771092369
5 √n
69.499550745244
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1621473988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1621473989 can be divided by 4 positive divisors.
The sum of these divisors (counting 1621473989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000101001011011101011000101
3
Ternary
11012000002102011012
4
Quaternary
1200221123223011
5
Quinary
11310044131424
6
Senary
424521452005
8
Octal
14051335305
10
Decimal
1621473989
12
Duodecimal
393041005
16
Hexadecimal
60a5bac5
20
Vigesimal
156e44j9
36
Base36
qtdtc5
md5
8ddce63af507a30bce0af05ccd128732
sha1
e53be103bb19feb15d3ada3a6505457e1ded2de3
sha256
1c0a95936c93af1cb4546b837d9f3c5d7b619062b2916b9206bc9a98adb19420
sha512
ab5d36c1060dc9a99b2b02a969f35d64a9b69e9af4dcd759a4e1e62e2c741403f50bb1d20fcff88340bf082bd601a2a07948bb505044dffedbf9f8eb58a9f487
ripemd-160
a629ff929930c60ec44097c34f36d7665ddab184
Diameter
3242947978
Circumference
10188021543.659
Area
8.2598059662071E+18
Volume
1.7857414037856E+28
Surface area
3.3039223864828E+19
Circumference
10188021543.659
Perimeter
6485895956
Area
2629177897003572121
Diagonal
2293110506.279
Surface area
1.5775067382021E+19
Volume
4.263143572445E+27
Space diagonal
2808475332.0994
Perimeter
4864421967
Area
1.1384674249368E+18
Altitude
1404237666.0497
Surface area
1.1384674249368E+18
Volume
5.0241628820795E+26
Height
764370168.75967