81007488 (number)

81007488 is an even 8-digits composite number following 81007487 and preceding 81007489. In scientific notation, it is written as 8.1007488 × 10^7. The sum of its digits is 36. It has a total of 10 prime factors and 64 positive divisors. There are 25574400 positive integers (up to 81007488) that are relatively prime to 81007488.

Interesting facts

Basic properties

Name

Name eighty-one million seven thousand four hundred eighty-eight

Notation

Scientific notation 8.1007488 × 10^7
Engineering notation 8.1007488 × 10^6

Prime Factorization of 81007488

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 19 × 3701

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 1265742
Product of the distinct prime numbers

The prime factorization of 81007488 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 19 × 3701. Since it has a total of 10 prime factors.

Most popular turbo-numbers

9, 7, 32, 81, 467, 530, 8154, 3165, 36671, 12522, 524635, 755218, 8788268, 1040308, 59591069, 79598098, 843887216, 841402694, 7419596944, 8297533607

Basic calculations (n = 81007488)

Multiplication

n×y
n×2 162014976
n×3 243022464
n×4 324029952
n×5 405037440

Division

n÷y
n÷2 40503744
n÷3 27002496
n÷3 20251872
n÷5 16201497.6

Exponentiation

ny
n2 6562213112070144
n3 5.3158839992946E+23
n4 4.3062640928225E+31
n5 3.4883963682415E+39

Nth Root

y√n
2√n 9000.4159903862
3√n 432.68820347742
4√n 94.870522241559
5√n 38.1684947501

Divisors of 81007488

1, 2, 4, 8, 9, 16, 18, 19, 32, 36, 38, 64, 72, 76, 128, 144, 152, 171, 288, 304, 342, 576, 608, 684, 1152, 1216, 1368, 2432, 2736, 3701, 5472, 7402, 10944, 14804, 21888, 29608, 33309, 59216, 66618, 70319, 118432, 133236, 140638, 236864, 266472, 281276, 473728, 532944, 562552, 632871, 1065888, 1125104, 1265742, 2131776, 2250208, 2531484, 4263552, 4500416, 5062968, 9000832, 10125936, 20251872, 40503744, 81007488

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 -81007487
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 81007488 can be divided by 64 positive divisors. The sum of these divisors (counting 81007488) is 1, the average is 0.015625.

Base conversion 81007488

Base System Value
2 Binary 100110101000001001110000000
3 Ternary 12122102121101100
4 Quaternary 10311001032000
5 Quinary 131214214423
6 Senary 12012134400
8 Octal 465011600
10 Decimal 81007488
12 Duodecimal 23167400
16 Hexadecimal 4d41380
20 Vigesimal 1565ie8
36 Base36 1c89s0

Cryptographic Hash Functions

md5 824646ab3206bc3b3c1782fe358a6f2f
sha1 f3e15dca8f1bc93da93f0f93444fa5ae072265e0
sha256 5af6049de6618c51aa1ede1866da2aee257856278b69994a1f7e4992b6e72814
sha512 46538515b034ca6e30e3320f264b05606dcc3d6be6e0fe8ed7f0e262cbbb0e339c3941b6b1885fa5f608a20a8f57df1ca06655ba0a1ba52e378d54e819ccb155
ripemd-160 ea5fddad85bb59c23845960cd6e585511ba0b66d

81007488 as geometric shapes

Circle

Radius = n
Diameter 162014976
Circumference 508985058.37313
Area 2.061580050417E+16

Sphere

Radius = n
Volume 2.2267122826026E+24
Surface area 8.2463202016681E+16
Circumference 508985058.37313

Square

Length = n
Perimeter 324029952
Area 6562213112070144
Diagonal 114561888.18338

Cube

Length = n
Surface area 39373278672420864
Volume 5.3158839992946E+23
Space diagonal 140309085.00953

Equilateral Triangle

Length = n
Perimeter 243022464
Area 2.84152163005E+15
Altitude 70154542.504763

Triangular Pyramid

Length = n
Surface area 2.84152163005E+15
Volume 6.2648293731705E+22
Height 38187296.061125