686987388 (number)

686987388 is an even 9-digits composite number following 686987387 and preceding 686987389. In scientific notation, it is written as 6.86987388 × 10^8. The sum of its digits is 63. It has a total of 5 prime factors and 18 positive divisors. There are 228995784 positive integers (up to 686987388) that are relatively prime to 686987388.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million nine hundred eighty-seven thousand three hundred eighty-eight

Notation

Scientific notation 6.86987388 × 10^8
Engineering notation 6.86987388 × 10^6

Prime Factorization of 686987388

Prime Factorization 2 × 2 × 3 × 3 × 19082983

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 114497898
Product of the distinct prime numbers

The prime factorization of 686987388 is 2 × 2 × 3 × 3 × 19082983. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 10, 10, 52, 698, 423, 940, 8842, 98634, 96007, 584833, 92323, 7608082, 2229391, 51133284, 77272382, 517471146, 399529170, 9448447225, 9813652571

Basic calculations (n = 686987388)

Multiplication

n×y
n×2 1373974776
n×3 2060962164
n×4 2747949552
n×5 3434936940

Division

n÷y
n÷2 343493694
n÷3 228995796
n÷3 171746847
n÷5 137397477.6

Exponentiation

ny
n2 471951671271062544
n3 3.2422484590874E+26
n4 2.2273838001555E+35
n5 1.5301845789423E+44

Nth Root

y√n
2√n 26210.444254152
3√n 882.36767184505
4√n 161.89639975661
5√n 58.531513317675

Divisors of 686987388

1, 2, 3, 4, 6, 9, 12, 18, 36, 19082983, 38165966, 57248949, 76331932, 114497898, 171746847, 228995796, 343493694, 686987388

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -686987387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 686987388 can be divided by 18 positive divisors. The sum of these divisors (counting 686987388) is 1, the average is 0.055555555555556.

Base conversion 686987388

Base System Value
2 Binary 101000111100101001100001111100
3 Ternary 1202212200120112100
4 Quaternary 220330221201330
5 Quinary 2401332044023
6 Senary 152100305100
8 Octal 5074514174
10 Decimal 686987388
12 Duodecimal 1720a2190
16 Hexadecimal 28f2987c
20 Vigesimal aedd898
36 Base36 bd0iv0

Cryptographic Hash Functions

md5 7c4c76ed9cacbf2e536691670af3d510
sha1 6d5377d2a4a560da081bac820c83c40b6394093c
sha256 508bd5e6334742516d32ce800e7f464049f876e731ef4348c21af45842423b89
sha512 61c415d6f959e5577c0ee95043c0c327b23927e46b7050bf0ba9d9f082d4f7ec78c39840b9909796dd9d945027a0901bdcd7d799ec868ae3dc55913b2abb462d
ripemd-160 be9ef737a6cf005e763bc2e4bcea819a38ad92b2

686987388 as geometric shapes

Circle

Radius = n
Diameter 1373974776
Circumference 4316469062.4993
Area 1.4826799033146E+18

Sphere

Radius = n
Volume 1.3581098586909E+27
Surface area 5.9307196132584E+18
Circumference 4316469062.4993

Square

Length = n
Perimeter 2747949552
Area 471951671271062544
Diagonal 971546881.28887

Cube

Length = n
Surface area 2831710027626375264
Volume 3.2422484590874E+26
Space diagonal 1189897060.175

Equilateral Triangle

Length = n
Perimeter 2060962164
Area 2.0436106833963E+17
Altitude 594948530.08752

Triangular Pyramid

Length = n
Surface area 2.0436106833963E+17
Volume 3.8210264528539E+25
Height 323848960.42962