68640907 (number)

68640907 is an odd 8-digits composite number following 68640906 and preceding 68640908. In scientific notation, it is written as 6.8640907 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 68292280 positive integers (up to 68640907) that are relatively prime to 68640907.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred forty thousand nine hundred seven

Notation

Scientific notation 6.8640907 × 10^7
Engineering notation 6.8640907 × 10^6

Prime Factorization of 68640907

Prime Factorization 197 × 348431

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68640907
Product of the distinct prime numbers

The prime factorization of 68640907 is 197 × 348431. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68640907)

Multiplication

n×y
n×2 137281814
n×3 205922721
n×4 274563628
n×5 343204535

Division

n÷y
n÷2 34320453.5
n÷3 22880302.333333
n÷3 17160226.75
n÷5 13728181.4

Exponentiation

ny
n2 4711574113782649
n3 3.2340672056776E+23
n4 2.2198930629667E+31
n5 1.5237547328504E+39

Nth Root

y√n
2√n 8284.9808086682
3√n 409.4438364287
4√n 91.021869947108
5√n 36.924668303025

Divisors of 68640907

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 -68640906
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 68640907 can be divided by 4 positive divisors. The sum of these divisors (counting 68640907) is 1, the average is 0.25.

Base conversion 68640907

Base System Value
2 Binary 100000101110110000010001011
3 Ternary 11210011022121211
4 Quaternary 10011312002023
5 Quinary 120033002112
6 Senary 10451113551
8 Octal 405660213
10 Decimal 68640907
12 Duodecimal 1aba28b7
16 Hexadecimal 417608b
20 Vigesimal 1190257
36 Base36 14v7nv

Cryptographic Hash Functions

md5 c648a1aca113a05cd406fd558c6a6843
sha1 b23f5d8bc166549a634a044f85ceeaec66ad2639
sha256 672af3f7b63b41a06cf8d4cb60cd4677ffc97a4d7e6186150bb91614d27c6f9a
sha512 0258576df982c16cb34cc16b29030f40bcc0a760adaf18157a667bdda3708490cbb351dd272f8a4b157f73d8f2a9f9d1494ca500f60e2ad57b1c3d6415ea6243
ripemd-160 83f8d43416fc0be18061aa018229625fc84813e2

68640907 as geometric shapes

Circle

Radius = n
Diameter 137281814
Circumference 431283538.33388
Area 1.4801846622703E+16

Sphere

Radius = n
Volume 1.3546829032763E+24
Surface area 5.9207386490814E+16
Circumference 431283538.33388

Square

Length = n
Perimeter 274563628
Area 4711574113782649
Diagonal 97072901.61299

Cube

Length = n
Surface area 28269444682695894
Volume 3.2340672056776E+23
Space diagonal 118889538.40161

Equilateral Triangle

Length = n
Perimeter 205922721
Area 2.0401714371745E+15
Altitude 59444769.200805

Triangular Pyramid

Length = n
Surface area 2.0401714371745E+15
Volume 3.8113847532461E+22
Height 32357633.870997