685366991 is an odd 9-digits prime number following 685366990
and preceding 685366992 . In scientific notation, it is written as 6.85366991 × 10^8.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 685366990 positive integers (up to 685366991) that are relatively prime to 685366991.
685366991 has 2 divisors, whose sum is 685366992
The reverse of 685366991 is 199663586
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred eighty-five million three hundred sixty-six thousand nine hundred ninety-one
Scientific notation
6.85366991 × 10^8
Engineering notation
6.85366991 × 10^6
Prime Factorization
685366991
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
685366991
Product of the distinct prime numbers
The prime factorization of 685366991 is 685366991.
Since it has a total of 1 prime factors.
5 , 3 , 55 , 67 , 532 , 947 , 632 , 3587 , 58142 , 63610 , 191712 , 796556 , 6396537 , 9993918 , 27256814 , 27559421 , 910880464 , 780291675 , 8469300029 , 4809871535
n×2
1370733982
n×3
2056100973
n×4
2741467964
n×5
3426834955
n÷2
342683495.5
n÷3
228455663.66667
n÷3
171341747.75
n÷5
137073398.2
n2
469727912352394081
n3
3.2193600587767E+26
n4
2.2064431164294E+35
n5
1.5122232795199E+44
2 √n
26179.514720483
3 √n
881.67337887161
4 √n
161.80084894859
5 √n
58.503875576205
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
685366992
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
342683496
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
26179.514739582
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999970819
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 685366991 can be divided by 2 positive divisors.
The sum of these divisors (counting 685366991) is 685366992, the average is 342683496.
Base
System
Value
2
Binary
101000110110011101111011001111
3
Ternary
1202202122020202122
4
Quaternary
220312131323033
5
Quinary
2400423220431
6
Senary
152001443155
8
Octal
5066357317
10
Decimal
685366991
12
Duodecimal
1716404bb
16
Hexadecimal
28d9decf
20
Vigesimal
ae3ah9b
36
Base36
bc1sjz
md5
b61fb08fc8c72a3ec6ea0c50c7db0ecc
sha1
714531337367acf12d069b9b71983b60d39a1894
sha256
dc1b48a4fe3e8f2cc843e063f680e0bce05bc3146d23228ceaf187683a7cb9ae
sha512
c4db358fd55de07734f6d9952193aa4e7b7309b619210c502c9ddbf3a9c358f1a307a43c3939ec325e10c4ab2ed1248eab0db1b5292de48aa6861a7317cb0f19
ripemd-160
f5d7eb6c20c5e5019cd7745e7a1b3d0777f1023d
Diameter
1370733982
Circumference
4306287807.8771
Area
1.4756937586324E+18
Volume
1.3485223879884E+27
Surface area
5.9027750345294E+18
Circumference
4306287807.8771
Perimeter
2741467964
Area
469727912352394081
Diagonal
969255293.87504
Surface area
2818367474114364486
Volume
3.2193600587767E+26
Space diagonal
1187090450.2426
Perimeter
2056100973
Area
2.033981524819E+17
Altitude
593545225.1213
Surface area
2.033981524819E+17
Volume
3.7940522144036E+25
Height
323085097.95835