1640761685 is an odd 10-digits composite number following 1640761684
and preceding 1640761686 . In scientific notation, it is written as 1.640761685 × 10^9.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 1312275664 positive integers (up to 1640761685) that are relatively prime to 1640761685.
1640761685 has 8 divisors, whose sum is 1969414560
The reverse of 1640761685 is 5861670461
Previous prime number is 4139
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion six hundred forty million seven hundred sixty-one thousand six hundred eighty-five
Scientific notation
1.640761685 × 10^9
Engineering notation
1.640761685 × 10^9
Prime Factorization
5 × 4139 × 79283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1640761685
Product of the distinct prime numbers
The prime factorization of 1640761685 is 5 × 4139 × 79283.
Since it has a total of 3 prime factors.
3 , 1 , 22 , 45 , 781 , 591 , 6951 , 8638 , 87256 , 19975 , 8417 , 798680 , 8254402 , 7919386 , 60177331 , 74711237 , 521818526 , 198426884 , 6449538548 , 3218043398
n×2
3281523370
n×3
4922285055
n×4
6563046740
n×5
8203808425
n÷2
820380842.5
n÷3
546920561.66667
n÷3
410190421.25
n÷5
328152337
n2
2692098906964039225
n3
4.417092738777E+27
n4
7.247396524877E+36
n5
1.189125053402E+46
2 √n
40506.316606179
3 √n
1179.4562478459
4 √n
201.26181109733
5 √n
69.664111292163
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
-1640761684
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 1640761685 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640761685) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110011000000100101010101
3
Ternary
11020100101022220022
4
Quaternary
1201303000211111
5
Quinary
11330013333220
6
Senary
430451114525
8
Octal
14163004525
10
Decimal
1640761685
12
Duodecimal
3995a2a45
16
Hexadecimal
61cc0955
20
Vigesimal
15cef445
36
Base36
r4v7th
md5
f858fc77f8bfbb436d0c9fec983fe5c3
sha1
8447fb5bfbf6afa99542818c79bf3cb6e0cfb4e3
sha256
f85f5cb0f4cc652dd0f228a9d2dc9ed997a0083b96d71ab9051977a883634133
sha512
eebdc34476a22d2947c7193e1afe427b14cd468304ea0dc85aff5647743187559ddd33180dde37914f74feadb9abd80251d703ecc8117137c3045bbc10a70476
ripemd-160
a7432e2144c5d971656b688136c95af39a2a2524
Diameter
3281523370
Circumference
10309209711.775
Area
8.4574781488553E+18
Volume
1.8502274797822E+28
Surface area
3.3829912595421E+19
Circumference
10309209711.775
Perimeter
6563046740
Area
2692098906964039225
Diagonal
2320387427.5491
Surface area
1.6152593441784E+19
Volume
4.417092738777E+27
Space diagonal
2841882601.5323
Perimeter
4922285055
Area
1.1657130214656E+18
Altitude
1420941300.7662
Surface area
1.1657130214656E+18
Volume
5.2055937145318E+26
Height
773462475.84971