686993821 (number)

686993821 is an odd 9-digits composite number following 686993820 and preceding 686993822. In scientific notation, it is written as 6.86993821 × 10^8. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 658616160 positive integers (up to 686993821) that are relatively prime to 686993821.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million nine hundred ninety-three thousand eight hundred twenty-one

Notation

Scientific notation 6.86993821 × 10^8
Engineering notation 6.86993821 × 10^6

Prime Factorization of 686993821

Prime Factorization 31 × 107 × 207113

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 686993821
Product of the distinct prime numbers

The prime factorization of 686993821 is 31 × 107 × 207113. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 20, 61, 231, 58, 6897, 4361, 96742, 40611, 995186, 241852, 8516769, 3367592, 6777456, 54583872, 480887039, 781941658, 9456565960, 6379600746

Basic calculations (n = 686993821)

Multiplication

n×y
n×2 1373987642
n×3 2060981463
n×4 2747975284
n×5 3434969105

Division

n÷y
n÷2 343496910.5
n÷3 228997940.33333
n÷3 171748455.25
n÷5 137398764.2

Exponentiation

ny
n2 471960510092180041
n3 3.2423395418934E+26
n4 2.2274672308647E+35
n5 1.530256224084E+44

Nth Root

y√n
2√n 26210.56697212
3√n 882.37042602153
4√n 161.8967787577
5√n 58.531622935936

Divisors of 686993821

1, 31, 107, 3317, 207113, 6420503, 22161091, 686993821

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -686993820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 686993821 can be divided by 8 positive divisors. The sum of these divisors (counting 686993821) is 1, the average is 0.125.

Base conversion 686993821

Base System Value
2 Binary 101000111100101011000110011101
3 Ternary 1202212200220100121
4 Quaternary 220330223012131
5 Quinary 2401332300241
6 Senary 152100354541
8 Octal 5074530635
10 Decimal 686993821
12 Duodecimal 1720a5a51
16 Hexadecimal 28f2b19d
20 Vigesimal aede4b1
36 Base36 bd0ntp

Cryptographic Hash Functions

md5 dfdbd819405bf2aa57b0798e59da7561
sha1 f3504632a665aa307e26ca2e81b42fd38a5701cc
sha256 b87d62d48226d7adf32909dfafe76922f635c2742a5f46f1d6af78ca599f6518
sha512 dcd8373167ac20210ba8133a4a5ae120e54f70c4d4d02977545e7a92a73df7be4a87e314a39025e43dcdf0ac8a243e3bb1381d81f558bade003e12f3f4169625
ripemd-160 8a98015e6ff03f2bbf9b99a7aebf28799bfa8a50

686993821 as geometric shapes

Circle

Radius = n
Diameter 1373987642
Circumference 4316509482.2304
Area 1.4827076712901E+18

Sphere

Radius = n
Volume 1.3581480113674E+27
Surface area 5.9308306851603E+18
Circumference 4316509482.2304

Square

Length = n
Perimeter 2747975284
Area 471960510092180041
Diagonal 971555978.92471

Cube

Length = n
Surface area 2831763060553080246
Volume 3.2423395418934E+26
Space diagonal 1189908202.4579

Equilateral Triangle

Length = n
Perimeter 2060981463
Area 2.0436489566144E+17
Altitude 594954101.22894

Triangular Pyramid

Length = n
Surface area 2.0436489566144E+17
Volume 3.8211337949701E+25
Height 323851992.9749