1629687681 is an odd 10-digits composite number following 1629687680
and preceding 1629687682 . In scientific notation, it is written as 1.629687681 × 10^9.
The sum of its digits is 54. It has a total of 5 prime factors and 16 positive divisors.
There are 1057092768 positive integers (up to 1629687681) that are relatively prime to 1629687681.
1629687681 has 16 divisors, whose sum is 2436107520
The reverse of 1629687681 is 1867869261
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion six hundred twenty-nine million six hundred eighty-seven thousand six hundred eighty-one
Scientific notation
1.629687681 × 10^9
Engineering notation
1.629687681 × 10^9
Prime Factorization
3 × 3 × 111 × 3 × 543773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
181076409
Product of the distinct prime numbers
The prime factorization of 1629687681 is 3 × 3 × 111 × 3 × 543773.
Since it has a total of 5 prime factors.
7 , 5 , 33 , 41 , 184 , 362 , 9198 , 3499 , 78843 , 58938 , 57757 , 595126 , 886605 , 2371664 , 23825083 , 34635192 , 40645262 , 528721846 , 6667028580 , 7043028373
n×2
3259375362
n×3
4889063043
n×4
6518750724
n×5
8148438405
n÷2
814843840.5
n÷3
543229227
n÷3
407421920.25
n÷5
325937536.2
n2
2655881937603157761
n3
4.3282580759023E+27
n4
7.0537088664867E+36
n5
1.1495342445074E+46
2 √n
40369.390396685
3 √n
1176.7967515642
4 √n
200.92135375984
5 √n
69.569819493633
1 , 3 , 9 , 27 , 111 , 333 , 999 , 2997 , 543773 , 1631319 , 4893957 , 14681871 , 60358803 , 181076409 , 543229227 , 1629687681
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1629687680
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1629687681 can be divided by 16 positive divisors.
The sum of these divisors (counting 1629687681) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100001001000110000111110000001
3
Ternary
11012120112201020000
4
Quaternary
1201020300332001
5
Quinary
11314200001211
6
Senary
425413510213
8
Octal
14110607601
10
Decimal
1629687681
12
Duodecimal
395942369
16
Hexadecimal
61230f81
20
Vigesimal
1595aj41
36
Base36
qy9v29
md5
6b53476d61dca596a93ff03d06c5615d
sha1
4300b18b2e62b050d6298cc894181459ee7fd867
sha256
7763fc779f3d61e4968d62f32bcf17fab05e924d3ded62de82dd6d4ec9399ea3
sha512
d93db3e0765db2c27a96624c1a472138465552fd2ecffdc9520bd1724dcc3b4aaf845c0610e5e9d814c74d32d7910a4f7a493689ac57c4117484e420209e4da6
ripemd-160
26ca0a8be07b733992e33f81b4eebbf9e3a3980c
Diameter
3259375362
Circumference
10239629692.551
Area
8.3436991839759E+18
Volume
1.8130165032127E+28
Surface area
3.3374796735904E+19
Circumference
10239629692.551
Perimeter
6518750724
Area
2655881937603157761
Diagonal
2304726420.9026
Surface area
1.5935291625619E+19
Volume
4.3282580759023E+27
Space diagonal
2822701863.9611
Perimeter
4889063043
Area
1.1500306137083E+18
Altitude
1411350931.9806
Surface area
1.1500306137083E+18
Volume
5.1009010603266E+26
Height
768242140.30085