68201991 (number)

68201991 is an odd 8-digits composite number following 68201990 and preceding 68201992. In scientific notation, it is written as 6.8201991 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 37820160 positive integers (up to 68201991) that are relatively prime to 68201991.

Interesting facts

Basic properties

Name

Name sixty-eight million two hundred one thousand nine hundred ninety-one

Notation

Scientific notation 6.8201991 × 10^7
Engineering notation 6.8201991 × 10^6

Prime Factorization of 68201991

Prime Factorization 13 × 9 × 11 × 269 × 197

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 68201991
Product of the distinct prime numbers

The prime factorization of 68201991 is 13 × 9 × 11 × 269 × 197. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 7, 84, 84, 395, 360, 7884, 3250, 87305, 73661, 551409, 172882, 6307479, 5972455, 44108226, 19421306, 528690986, 712440610, 2270859424, 2202098319

Basic calculations (n = 68201991)

Multiplication

n×y
n×2 136403982
n×3 204605973
n×4 272807964
n×5 341009955

Division

n÷y
n÷2 34100995.5
n÷3 22733997
n÷3 17050497.75
n÷5 13640398.2

Exponentiation

ny
n2 4651511576364081
n3 3.1724235066758E+23
n4 2.1636559945049E+31
n5 1.4756564666432E+39

Nth Root

y√n
2√n 8258.4496729108
3√n 408.56925656521
4√n 90.876012637608
5√n 36.877324987734

Divisors of 68201991

1, 9, 11, 13, 99, 117, 143, 197, 269, 1287, 1773, 2167, 2421, 2561, 2959, 3497, 19503, 23049, 26631, 28171, 31473, 38467, 52993, 253539, 346203, 476937, 582923, 688909, 5246307, 6200181, 7577999, 68201991

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68201990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68201991 can be divided by 32 positive divisors. The sum of these divisors (counting 68201991) is 1, the average is 0.03125.

Base conversion 68201991

Base System Value
2 Binary 100000100001010111000000111
3 Ternary 11202100000112200
4 Quaternary 10010022320013
5 Quinary 114424430431
6 Senary 10433445543
8 Octal 404127007
10 Decimal 68201991
12 Duodecimal 1aa108b3
16 Hexadecimal 410ae07
20 Vigesimal 11654jb
36 Base36 14lszr

Cryptographic Hash Functions

md5 e8c063a671609e6459db34bac9a9a71d
sha1 56be15d17aa47e924655f430197131f44b60e491
sha256 105728219a6092067c402b8a614efac1573c9e799f4ca7bc84b98f75617bd833
sha512 4de8938f3b488cde5741649bb3fff1bc257ce890d5398f78a24bbb417cb70108b540b18abceb05ce9906c0b59069093ec8f87e44d863c8b6d7c94050abd6afd9
ripemd-160 a699022e94b5ec34222aeca160351719121c7627

68201991 as geometric shapes

Circle

Radius = n
Diameter 136403982
Circumference 428525747.77159
Area 1.4613154596393E+16

Sphere

Radius = n
Volume 1.3288616510198E+24
Surface area 5.8452618385573E+16
Circumference 428525747.77159

Square

Length = n
Perimeter 272807964
Area 4651511576364081
Diagonal 96452180.653048

Cube

Length = n
Surface area 27909069458184486
Volume 3.1724235066758E+23
Space diagonal 118129313.58936

Equilateral Triangle

Length = n
Perimeter 204605973
Area 2.0141635955643E+15
Altitude 59064656.794678

Triangular Pyramid

Length = n
Surface area 2.0141635955643E+15
Volume 3.7387369572768E+22
Height 32150726.884349