681465981 (number)

681465981 is an odd 9-digits composite number following 681465980 and preceding 681465982. In scientific notation, it is written as 6.81465981 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 388009440 positive integers (up to 681465981) that are relatively prime to 681465981.

Interesting facts

Basic properties

Name

Name six hundred eighty-one million four hundred sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 6.81465981 × 10^8
Engineering notation 6.81465981 × 10^6

Prime Factorization of 681465981

Prime Factorization 21 × 7 × 283 × 16381

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 681465981
Product of the distinct prime numbers

The prime factorization of 681465981 is 21 × 7 × 283 × 16381. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 2, 83, 887, 457, 3284, 8498, 66873, 69224, 556959, 325532, 7111364, 8041548, 76635215, 60657064, 449728918, 460932567, 5213222508, 7895498289

Basic calculations (n = 681465981)

Multiplication

n×y
n×2 1362931962
n×3 2044397943
n×4 2725863924
n×5 3407329905

Division

n÷y
n÷2 340732990.5
n÷3 227155327
n÷3 170366495.25
n÷5 136293196.2

Exponentiation

ny
n2 464395883260292361
n3 3.1646999615834E+26
n4 2.1566353638911E+35
n5 1.4696736339133E+44

Nth Root

y√n
2√n 26104.903389976
3√n 879.99740916937
4√n 161.57011911234
5√n 58.437124303973

Divisors of 681465981

1, 7, 21, 147, 283, 1981, 5943, 16381, 41601, 114667, 344001, 2408007, 4635823, 32450761, 97352283, 681465981

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 -681465980
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 681465981 can be divided by 16 positive divisors. The sum of these divisors (counting 681465981) is 1, the average is 0.0625.

Base conversion 681465981

Base System Value
2 Binary 101000100111100101100001111101
3 Ternary 1202111022001120210
4 Quaternary 220213211201331
5 Quinary 2343423402411
6 Senary 151342103033
8 Octal 5047454175
10 Decimal 681465981
12 Duodecimal 17027aa79
16 Hexadecimal 289e587d
20 Vigesimal acj34j1
36 Base36 b9q6il

Cryptographic Hash Functions

md5 079e3556a4f62af2c687f47900fdfc34
sha1 a16111eb9f0b6c3a78ce64d2be2d29ba7d3c1ff7
sha256 5db4f3f7c6f94b636825ba986e0603e0ec193078d2ee83e35c3a4c02d7d3f092
sha512 6636a9be5377ecf04bc5c73ecc26aa50c5a1bedd5f8bab217b196d214d98991e5ae0abb106a19a5ed7c0c0750d815e6edfcc22e7ad385681713ef29b6e67115e
ripemd-160 c0ca4ec0429861915bf1f1ef55124069bcd62f89

681465981 as geometric shapes

Circle

Radius = n
Diameter 1362931962
Circumference 4281777039.1619
Area 1.4589426952079E+18

Sphere

Radius = n
Volume 1.3256264200168E+27
Surface area 5.8357707808315E+18
Circumference 4281777039.1619

Square

Length = n
Perimeter 2725863924
Area 464395883260292361
Diagonal 963738432.62609

Cube

Length = n
Surface area 2786375299561754166
Volume 3.1646999615834E+26
Space diagonal 1180333702.7218

Equilateral Triangle

Length = n
Perimeter 2044397943
Area 2.0108931615816E+17
Altitude 590166851.36088

Triangular Pyramid

Length = n
Surface area 2.0108931615816E+17
Volume 3.729634672094E+25
Height 321246144.2087