681948918 (number)

681948918 is an even 9-digits composite number following 681948917 and preceding 681948919. In scientific notation, it is written as 6.81948918 × 10^8. The sum of its digits is 54. It has a total of 6 prime factors and 64 positive divisors. There are 190512000 positive integers (up to 681948918) that are relatively prime to 681948918.

Interesting facts

Basic properties

Name

Name six hundred eighty-one million nine hundred forty-eight thousand nine hundred eighteen

Notation

Scientific notation 6.81948918 × 10^8
Engineering notation 6.81948918 × 10^6

Prime Factorization of 681948918

Prime Factorization 2 × 9 × 7 × 73 × 151 × 491

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 681948918
Product of the distinct prime numbers

The prime factorization of 681948918 is 2 × 9 × 7 × 73 × 151 × 491. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 681948918)

Multiplication

n×y
n×2 1363897836
n×3 2045846754
n×4 2727795672
n×5 3409744590

Division

n÷y
n÷2 340974459
n÷3 227316306
n÷3 170487229.5
n÷5 136389783.6

Exponentiation

ny
n2 465054326761370724
n3 3.1714329494614E+26
n4 2.1627552683947E+35
n5 1.4748886151806E+44

Nth Root

y√n
2√n 26114.15168065
3√n 880.20523708186
4√n 161.59873663074
5√n 58.445404527423

Divisors of 681948918

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -681948917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 681948918 can be divided by 64 positive divisors. The sum of these divisors (counting 681948918) is 1, the average is 0.015625.

Base conversion 681948918

Base System Value
2 Binary 101000101001011011011011110110
3 Ternary 1202112012121001100
4 Quaternary 220221123123312
5 Quinary 2344034331133
6 Senary 151400310530
8 Octal 5051333366
10 Decimal 681948918
12 Duodecimal 170472446
16 Hexadecimal 28a5b6f6
20 Vigesimal ad23c5i
36 Base36 ba0j5i

Cryptographic Hash Functions

md5 97581a14d45f0d75032dfb37baaa61f7
sha1 78a7b688fedd1b92ba88125eafaad931167043de
sha256 c733670779d128a8028da884a9d6fb99e475f1b6680009cc50bb5a0c664e285c
sha512 fa756aa8b2be6e6f39bb1fc4b604c4a9aa9bcfacb6404b49f32785304718ea519e731ef8ddffedd959a889c18dc0a4111849a1b70a7119d64a109409f0f32944
ripemd-160 f51dc9fdbeae79a311afa3a6ff8e998b515dea2c

681948918 as geometric shapes

Circle

Radius = n
Diameter 1363897836
Circumference 4284811421.8246
Area 1.4610112564737E+18

Sphere

Radius = n
Volume 1.3284467273841E+27
Surface area 5.8440450258947E+18
Circumference 4284811421.8246

Square

Length = n
Perimeter 2727795672
Area 465054326761370724
Diagonal 964421408.68126

Cube

Length = n
Surface area 2790325960568224344
Volume 3.1714329494614E+26
Space diagonal 1181170174.1426

Equilateral Triangle

Length = n
Perimeter 2045846754
Area 2.0137443055761E+17
Altitude 590585087.07131

Triangular Pyramid

Length = n
Surface area 2.0137443055761E+17
Volume 3.7375695744043E+25
Height 321473802.89375