1640889621 is an odd 10-digits composite number following 1640889620
and preceding 1640889622 . In scientific notation, it is written as 1.640889621 × 10^9.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 896882976 positive integers (up to 1640889621) that are relatively prime to 1640889621.
1640889621 has 8 divisors, whose sum is 1739412480
The reverse of 1640889621 is 1269880461
Previous prime number is 23
Is Prime? no Number parity odd Number length 10 Sum of Digits 45 Digital Root 9
Name
one billion six hundred forty million eight hundred eighty-nine thousand six hundred twenty-one
Scientific notation
1.640889621 × 10^9
Engineering notation
1.640889621 × 10^9
Prime Factorization
63 × 23 × 1132429
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1640889621 Product of the distinct prime numbers
The prime factorization of 1640889621 is 63 × 23 × 1132429.
Since it has a total of 3 prime factors.
4 , 8 , 93 , 41 , 200 , 576 , 7319 , 9923 , 52203 , 9638 , 264005 , 697246 , 6518167 , 1695693 , 92471078 , 76513810 , 946002176 , 65809125 , 4284849769 , 2717036526
n×2
3281779242
n×3
4922668863
n×4
6563558484
n×5
8204448105
n÷2
820444810.5
n÷3
546963207
n÷3
410222405.25
n÷5
328177924.2
n2
2692518748305523641
n3
4.4181260684424E+27
n4
7.2496572099767E+36
n5
1.1895887271659E+46
2 √n40507.895785884
3 √n1179.4869025095
4 √n201.26573425669
5 √n69.665197649781
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
-1640889620 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 1640889621 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640889621) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110011011111110100010101
3
Ternary
11020100121211101200
4
Quaternary
1201303133310111
5
Quinary
11330031431441
6
Senary
430453543113
8
Octal
14163376425
10
Decimal
1640889621
12
Duodecimal
399644a99
16
Hexadecimal
61cdfd15
20
Vigesimal
15cfb411
36
Base36
r4xyj9
md5
530cd8aaf743a3ab7e1056d7a80ad653
sha1
addfeff0168d9a7eb05e54ce704b3731bb3e3c73
sha256
da1b218935b45756a554451d0db995fbc615b8019dd0af4d86469815e34b90f1
sha512
2bc9ad4ca6855689b71697b3060c81cdcb0b90df47a300b3efd86d5990bf270dbce7d0f55a47e715ea0ab9054432e90ebd71df0f4e08969d04b66ab2c93f4516
ripemd-160
d58d12b2c10e56383885c98c1a1389de5d102f57
Diameter
3281779242
Circumference
10310013557.371
Area
8.4587971193294E+18
Volume
1.8506603199003E+28
Surface area
3.3835188477318E+19
Circumference
10310013557.371
Perimeter
6563558484
Area
2692518748305523641
Diagonal
2320568356.3754
Surface area
1.6155112489833E+19
Volume
4.4181260684424E+27
Space diagonal
2842104193.1844
Perimeter
4922668863
Area
1.1658948180992E+18
Altitude
1421052096.5922
Surface area
1.1658948180992E+18
Volume
5.2068115052212E+26
Height
773522785.45848