687645420 (number)

687645420 is an even 9-digits composite number following 687645419 and preceding 687645421. In scientific notation, it is written as 6.87645420 × 10^8. The sum of its digits is 42. It has a total of 6 prime factors and 48 positive divisors. There are 142813440 positive integers (up to 687645420) that are relatively prime to 687645420.

Interesting facts

Basic properties

Name

Name six hundred eighty-seven million six hundred forty-five thousand four hundred twenty

Notation

Scientific notation 6.87645420 × 10^8
Engineering notation 6.87645420 × 10^6

Prime Factorization of 687645420

Prime Factorization 2 × 2 × 165 × 7 × 77 × 1933

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 343822710
Product of the distinct prime numbers

The prime factorization of 687645420 is 2 × 2 × 165 × 7 × 77 × 1933. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 2, 17, 48, 129, 847, 2063, 2343, 55847, 98025, 765358, 809918, 9358759, 8952254, 77035005, 10952440, 737278806, 576705430, 2366039128, 5388551880

Basic calculations (n = 687645420)

Multiplication

n×y
n×2 1375290840
n×3 2062936260
n×4 2750581680
n×5 3438227100

Division

n÷y
n÷2 343822710
n÷3 229215140
n÷3 171911355
n÷5 137529084

Exponentiation

ny
n2 472856223646976400
n3 3.2515741650934E+26
n4 2.2359300824168E+35
n5 1.5375270806141E+44

Nth Root

y√n
2√n 26222.994108225
3√n 882.64930771785
4√n 161.9351540223
5√n 58.542721925293

Divisors of 687645420

1, 2, 4, 7, 14, 28, 77, 154, 165, 308, 330, 539, 660, 1078, 1155, 1933, 2156, 2310, 3866, 4620, 7732, 12705, 13531, 25410, 27062, 50820, 54124, 88935, 148841, 177870, 297682, 318945, 355740, 595364, 637890, 1041887, 1275780, 2083774, 2232615, 4167548, 4465230, 8930460, 24558765, 49117530, 98235060, 171911355, 343822710, 687645420

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -687645419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 687645420 can be divided by 48 positive divisors. The sum of these divisors (counting 687645420) is 1, the average is 0.020833333333333.

Base conversion 687645420

Base System Value
2 Binary 101000111111001010001011101100
3 Ternary 1202220221000011220
4 Quaternary 220333022023230
5 Quinary 2402014123140
6 Senary 152122343340
8 Octal 5077121354
10 Decimal 687645420
12 Duodecimal 17235ab50
16 Hexadecimal 28fca2ec
20 Vigesimal aehfdb0
36 Base36 bdemlo

Cryptographic Hash Functions

md5 ac6f0fd9fb093a150b4b238aca27c894
sha1 d90e8bdf27aba9b40eaf65ac27b83f419639647b
sha256 180d6e19049196f9ad9abe894db947d252165ed46dccd39b092f6368a8416ace
sha512 13e4cf6ba9d602dcc354b604dbe4849c06620e0756a809b8719bd1b04c5d458ed22860d1a32e7ef5931031e75af77cc6b87aeb8b9f63d3db1c18c64da023f234
ripemd-160 21240483b4930b37437a2bf1be34a73984b3a1c6

687645420 as geometric shapes

Circle

Radius = n
Diameter 1375290840
Circumference 4320603599.4933
Area 1.4855216384136E+18

Sphere

Radius = n
Volume 1.362016201288E+27
Surface area 5.9420865536542E+18
Circumference 4320603599.4933

Square

Length = n
Perimeter 2750581680
Area 472856223646976400
Diagonal 972477479.06774

Cube

Length = n
Surface area 2837137341881858400
Volume 3.2515741650934E+26
Space diagonal 1191036805.032

Equilateral Triangle

Length = n
Perimeter 2062936260
Area 2.0475275100793E+17
Altitude 595518402.51602

Triangular Pyramid

Length = n
Surface area 2.0475275100793E+17
Volume 3.8320169027809E+25
Height 324159159.68925