687112961 is an odd 9-digits composite number following 687112960
and preceding 687112962 . In scientific notation, it is written as 6.87112961 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 686781012 positive integers (up to 687112961) that are relatively prime to 687112961.
687112961 has 4 divisors, whose sum is 687444912
The reverse of 687112961 is 169211786
Previous prime number is 2083
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred eighty-seven million one hundred twelve thousand nine hundred sixty-one
Scientific notation
6.87112961 × 10^8
Engineering notation
6.87112961 × 10^6
Prime Factorization
2083 × 329867
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
687112961
Product of the distinct prime numbers
The prime factorization of 687112961 is 2083 × 329867.
Since it has a total of 2 prime factors.
1 , 1 , 7 , 75 , 161 , 819 , 1610 , 50 , 72904 , 57088 , 685770 , 122177 , 2868477 , 4646129 , 33474685 , 88898865 , 141899029 , 352998176 , 2370654233 , 3628713898
n×2
1374225922
n×3
2061338883
n×4
2748451844
n×5
3435564805
n÷2
343556480.5
n÷3
229037653.66667
n÷3
171778240.25
n÷5
137422592.2
n2
472124221174187521
n3
3.2440267157081E+26
n4
2.2290128021933E+35
n5
1.531583586622E+44
2 √n
26212.839621071
3 √n
882.42143062201
4 √n
161.90379742635
5 √n
58.53365293203
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-687112960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 687112961 can be divided by 4 positive divisors.
The sum of these divisors (counting 687112961) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000111101001000001100000001
3
Ternary
1202212220221210012
4
Quaternary
220331020030001
5
Quinary
2401400103321
6
Senary
152103114305
8
Octal
5075101401
10
Decimal
687112961
12
Duodecimal
172142995
16
Hexadecimal
28f48301
20
Vigesimal
aee9281
36
Base36
bd37r5
md5
e7cb25c4f43a0fa301518070623f0db9
sha1
e324c8e3c4072a64be036001963d5f000d0225cd
sha256
c798ea1518e03f02036730ec60774bd12f12be569e1df6a2b854fc5145f2b90b
sha512
a95e9712152a52c488afbc13c8afe80bd9295ae7d349b78a9a047d6a872448cff95980c4fabbbea13f922bfdccdbdcbf81fc8c244c484abe145a5fe4f62b5e99
ripemd-160
c7993f5b4fd5dadc74b6ac884860db8562a509a5
Diameter
1374225922
Circumference
4317258060.9279
Area
1.4832219848226E+18
Volume
1.3588547330824E+27
Surface area
5.9328879392905E+18
Circumference
4317258060.9279
Perimeter
2748451844
Area
472124221174187521
Diagonal
971724468.32854
Surface area
2832745327045125126
Volume
3.2440267157081E+26
Space diagonal
1190114558.9911
Perimeter
2061338883
Area
2.0443578463939E+17
Altitude
595057279.49555
Surface area
2.0443578463939E+17
Volume
3.8231221483793E+25
Height
323908156.10951