681397979 (number)

681397979 is an odd 9-digits composite number following 681397978 and preceding 681397980. In scientific notation, it is written as 6.81397979 × 10^8. The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors. There are 680531376 positive integers (up to 681397979) that are relatively prime to 681397979.

Interesting facts

Basic properties

Name

Name six hundred eighty-one million three hundred ninety-seven thousand nine hundred seventy-nine

Notation

Scientific notation 6.81397979 × 10^8
Engineering notation 6.81397979 × 10^6

Prime Factorization of 681397979

Prime Factorization 787 × 865817

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 681397979
Product of the distinct prime numbers

The prime factorization of 681397979 is 787 × 865817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 65, 62, 26, 229, 834, 6803, 86888, 75604, 576645, 285950, 6226097, 4456103, 1590703, 21663807, 872545707, 680240207, 7210432920, 7401253038

Basic calculations (n = 681397979)

Multiplication

n×y
n×2 1362795958
n×3 2044193937
n×4 2725591916
n×5 3406989895

Division

n÷y
n÷2 340698989.5
n÷3 227132659.66667
n÷3 170349494.75
n÷5 136279595.8

Exponentiation

ny
n2 464303205785284441
n3 3.1637526606531E+26
n4 2.1557746690249E+35
n5 1.468940502653E+44

Nth Root

y√n
2√n 26103.600881871
3√n 879.96813719
4√n 161.56608827929
5√n 58.43595799485

Divisors of 681397979

1, 787, 865817, 681397979

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 -681397978
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 681397979 can be divided by 4 positive divisors. The sum of these divisors (counting 681397979) is 1, the average is 0.25.

Base conversion 681397979

Base System Value
2 Binary 101000100111010100111011011011
3 Ternary 1202111011121022012
4 Quaternary 220213110323123
5 Quinary 2343414213404
6 Senary 151340420135
8 Octal 5047247333
10 Decimal 681397979
12 Duodecimal 17024764b
16 Hexadecimal 289d4edb
20 Vigesimal acieeij
36 Base36 b9oq1n

Cryptographic Hash Functions

md5 d5784f55a8d273693dd207bec12fef72
sha1 c559bec816cdd4770fd0bc5af01d91abccce0c86
sha256 18b9cf837cb631c438497148e4b0028a39b851de070e07ec3c3b72e1f1a3aa8d
sha512 164ca832e5e6a56898c68a82811e7f800cd3233413765b23eefbbc291b95808e2eca2fce298b5be6f4069b4e6205feb37f69e7faf2ae1a9f5dc05ce82453ef3a
ripemd-160 7e33aa5482c0d7f3eaaba6879a01b8e82e414e41

681397979 as geometric shapes

Circle

Radius = n
Diameter 1362795958
Circumference 4281349769.9947
Area 1.4586515403332E+18

Sphere

Radius = n
Volume 1.3252296155311E+27
Surface area 5.834606161333E+18
Circumference 4281349769.9947

Square

Length = n
Perimeter 2725591916
Area 464303205785284441
Diagonal 963642263.27542

Cube

Length = n
Surface area 2785819234711706646
Volume 3.1637526606531E+26
Space diagonal 1180215919.8028

Equilateral Triangle

Length = n
Perimeter 2044193937
Area 2.0104918563431E+17
Altitude 590107959.90138

Triangular Pyramid

Length = n
Surface area 2.0104918563431E+17
Volume 3.7285182672414E+25
Height 321214087.75847