1688508938 is an even 10-digits composite number following 1688508937
and preceding 1688508939 . In scientific notation, it is written as 1.688508938 × 10^9.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 838876896 positive integers (up to 1688508938) that are relatively prime to 1688508938.
1688508938 has 8 divisors, whose sum is 2548896132
The reverse of 1688508938 is 8398058861
Previous prime number is 157
Is Prime? no
Number parity even
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion six hundred eighty-eight million five hundred eight thousand nine hundred thirty-eight
Scientific notation
1.688508938 × 10^9
Engineering notation
1.688508938 × 10^9
Prime Factorization
2 × 157 × 5377417
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1688508938
Product of the distinct prime numbers
The prime factorization of 1688508938 is 2 × 157 × 5377417.
Since it has a total of 3 prime factors.
7 , 2 , 33 , 42 , 287 , 945 , 9364 , 2376 , 42371 , 97788 , 143718 , 80400 , 3536368 , 2680376 , 21932389 , 42729735 , 179456626 , 496509261 , 9349989482 , 3223687520
n×2
3377017876
n×3
5065526814
n×4
6754035752
n×5
8442544690
n÷2
844254469
n÷3
562836312.66667
n÷3
422127234.5
n÷5
337701787.6
n2
2851062433705887844
n3
4.8140444021084E+27
n4
8.1285570008889E+36
n5
1.3725141149043E+46
2 √n
41091.470380117
3 √n
1190.7880141847
4 √n
202.7103114795
5 √n
70.064926825844
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
-1688508937
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 1688508938 can be divided by 8 positive divisors.
The sum of these divisors (counting 1688508938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100101001001001101000001010
3
Ternary
11100200020010211002
4
Quaternary
1210221021220022
5
Quinary
11424224241223
6
Senary
435314335002
8
Octal
14451115012
10
Decimal
1688508938
12
Duodecimal
3b158a462
16
Hexadecimal
64a49a0a
20
Vigesimal
167d3c6i
36
Base36
rxalu2
md5
6879eb25a6f43187e6aa5a5e9efce1dc
sha1
db769808f4094730d13e807d0121489d7ea7af3f
sha256
0082e61f0ae92c641bb238d5806323d557a338c2c1179a5e7603bffb7b836a38
sha512
25828dcc7616defcba9d98ce4ba142d11a20dd660a402e8816988a5fbd872b6a38942f81be17dd677bb6164c68b205c11b180d5f4602bf0dcf30c4312e4d7605
ripemd-160
46e8c0f283ab9b5dc20604ea08587ff804287400
Diameter
3377017876
Circumference
10609214550.283
Area
8.9568767966563E+18
Volume
2.0165022036959E+28
Surface area
3.5827507186625E+19
Circumference
10609214550.283
Perimeter
6754035752
Area
2851062433705887844
Diagonal
2387912240.3078
Surface area
1.7106374602235E+19
Volume
4.8140444021084E+27
Space diagonal
2924583269.6502
Perimeter
5065526814
Area
1.2345462476824E+18
Altitude
1462291634.8251
Surface area
1.2345462476824E+18
Volume
5.6734057361067E+26
Height
795970746.76926