81344984 (number)

81344984 is an even 8-digits composite number following 81344983 and preceding 81344985. In scientific notation, it is written as 8.1344984 × 10^7. The sum of its digits is 41. It has a total of 7 prime factors and 64 positive divisors. There are 33465600 positive integers (up to 81344984) that are relatively prime to 81344984.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-four thousand nine hundred eighty-four

Notation

Scientific notation 8.1344984 × 10^7
Engineering notation 8.1344984 × 10^6

Prime Factorization of 81344984

Prime Factorization 2 × 2 × 2 × 7 × 71 × 41 × 499

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20336246
Product of the distinct prime numbers

The prime factorization of 81344984 is 2 × 2 × 2 × 7 × 71 × 41 × 499. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 2, 18, 55, 446, 286, 7294, 5364, 97105, 44144, 966077, 435659, 6033161, 7347592, 68091133, 28213124, 991473822, 631146464, 5314594551, 9887949079

Basic calculations (n = 81344984)

Multiplication

n×y
n×2 162689968
n×3 244034952
n×4 325379936
n×5 406724920

Division

n÷y
n÷2 40672492
n÷3 27114994.666667
n÷3 20336246
n÷5 16268996.8

Exponentiation

ny
n2 6617006421960256
n3 5.3826028152225E+23
n4 4.3784773988263E+31
n5 3.5616717395189E+39

Nth Root

y√n
2√n 9019.1454140622
3√n 433.28826408324
4√n 94.969181390924
5√n 38.200245643366

Divisors of 81344984

1, 2, 4, 7, 8, 14, 28, 41, 56, 71, 82, 142, 164, 284, 287, 328, 497, 499, 568, 574, 994, 998, 1148, 1988, 1996, 2296, 2911, 3493, 3976, 3992, 5822, 6986, 11644, 13972, 20377, 20459, 23288, 27944, 35429, 40754, 40918, 70858, 81508, 81836, 141716, 143213, 163016, 163672, 248003, 283432, 286426, 496006, 572852, 992012, 1145704, 1452589, 1984024, 2905178, 5810356, 10168123, 11620712, 20336246, 40672492, 81344984

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81344983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81344984 can be divided by 64 positive divisors. The sum of these divisors (counting 81344984) is 1, the average is 0.015625.

Base conversion 81344984

Base System Value
2 Binary 100110110010011100111011000
3 Ternary 12200001202100012
4 Quaternary 10312103213120
5 Quinary 131311014414
6 Senary 12023301052
8 Octal 466234730
10 Decimal 81344984
12 Duodecimal 232aa788
16 Hexadecimal 4d939d8
20 Vigesimal 1588294
36 Base36 1cfi6w

Cryptographic Hash Functions

md5 23fe0d1fbfddca2f41ac72941c4a7095
sha1 24a9cd9ccec0e2a1b13e59bc863382e09783c4a8
sha256 40b1f70e8c424e45ffe2701c4c38dc76964ef754dce1c02e4fb1338e45a141d3
sha512 571d066b1b8ceb6b0a68937a91ac40cd8d8ad5ced69d55a2a06592b4181ff1a57fbb2053dc06fc6355c489ff9aeae74331db51c319a08e2a697540c9b8ea0297
ripemd-160 cbe5d48628275ab7a2c48a7c3cec18fdca0c41cd

81344984 as geometric shapes

Circle

Radius = n
Diameter 162689968
Circumference 511105608.28156
Area 2.0787938763987E+16

Sphere

Radius = n
Volume 2.254659394866E+24
Surface area 8.3151755055947E+16
Circumference 511105608.28156

Square

Length = n
Perimeter 325379936
Area 6617006421960256
Diagonal 115039179.60382

Cube

Length = n
Surface area 39702038531761536
Volume 5.3826028152225E+23
Space diagonal 140893645.22888

Equilateral Triangle

Length = n
Perimeter 244034952
Area 2.8652478292112E+15
Altitude 70446822.614439

Triangular Pyramid

Length = n
Surface area 2.8652478292112E+15
Volume 6.3434582517961E+22
Height 38346393.201274