1628840981 is an odd 10-digits prime number following 1628840980
and preceding 1628840982 . In scientific notation, it is written as 1.628840981 × 10^9.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 1628840980 positive integers (up to 1628840981) that are relatively prime to 1628840981.
1628840981 has 2 divisors, whose sum is 1628840982
The reverse of 1628840981 is 1890488261
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion six hundred twenty-eight million eight hundred forty thousand nine hundred eighty-one
Scientific notation
1.628840981 × 10^9
Engineering notation
1.628840981 × 10^9
Prime Factorization
1628840981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1628840981
Product of the distinct prime numbers
The prime factorization of 1628840981 is 1628840981.
Since it has a total of 1 prime factors.
7 , 6 , 9 , 84 , 680 , 830 , 3605 , 1226 , 59206 , 41165 , 183116 , 973761 , 8728334 , 4284603 , 82384028 , 42576406 , 895302383 , 272519878 , 5539539104 , 9351126780
n×2
3257681962
n×3
4886522943
n×4
6515363924
n×5
8144204905
n÷2
814420490.5
n÷3
542946993.66667
n÷3
407210245.25
n÷5
325768196.2
n2
2653122941385042361
n3
4.3215153745592E+27
n4
7.0390613421036E+36
n5
1.1465511581791E+46
2 √n
40358.902128279
3 √n
1176.5929156945
4 √n
200.89525163199
5 √n
69.56258902706
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1628840982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
814420491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
40358.902140668
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999987721
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1628840981 can be divided by 2 positive divisors.
The sum of these divisors (counting 1628840981) is 1628840982, the average is 814420491.
Base
System
Value
2
Binary
1100001000101100010010000010101
3
Ternary
11012111221200202202
4
Quaternary
1201011202100111
5
Quinary
11313440402411
6
Senary
425343414245
8
Octal
14105422025
10
Decimal
1628840981
12
Duodecimal
3955b4385
16
Hexadecimal
61162415
20
Vigesimal
15905291
36
Base36
qxrpqt
md5
f11dd4fd07178932f872b4798602226f
sha1
b86a1c24a7cd088b2af8df7720540c5c1c8b0e63
sha256
ed3dc1e566683d8aa0d0727e71f592735040b7d74cf7dae41da36f88ed4efa21
sha512
83cba2bdbe985e489c56b0f145792062d5da553597671802ca1d14b4b81890339827afc7cafcca895e851c30e2615a104470c72db9e24f77fb4ad4fd3e844166
ripemd-160
671c397fc446bf6ff422422d15d670432671d0fd
Diameter
3257681962
Circumference
10234309719.551
Area
8.3350315417258E+18
Volume
1.8101921270787E+28
Surface area
3.3340126166903E+19
Circumference
10234309719.551
Perimeter
6515363924
Area
2653122941385042361
Diagonal
2303529006.2793
Surface area
1.591873764831E+19
Volume
4.3215153745592E+27
Space diagonal
2821235336.5423
Perimeter
4886522943
Area
1.1488359333014E+18
Altitude
1410617668.2712
Surface area
1.1488359333014E+18
Volume
5.0929547105879E+26
Height
767843002.0931