81121488, eighty-one million one hundred twenty-one thousand four hundred eighty-eight: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

Interesting facts

81121488 has 40 divisors, whose sum is 160406400
The reverse of 81121488 is 88412118
Previous prime number is 97

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	8.1121488 × 10^7
Engineering notation	8.1121488 × 10^6

Prime Factorization of 81121488

Prime Factorization 2 × 2 × 2 × 2 × 399 × 97 × 131

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	7	Total number of prime factors
rad	Radical	10140186	Product of the distinct prime numbers

The prime factorization of 81121488 is 2 × 2 × 2 × 2 × 399 × 97 × 131. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 10, 64, 1, 552, 891, 6436, 670, 50105, 70028, 958147, 779472, 7746707, 3903318, 12590814, 98468926, 346452372, 977181182, 6013822741, 5907211949

Basic calculations (n = 81121488)

Multiplication

n×y

n×2	162242976
n×3	243364464
n×4	324485952
n×5	405607440

Division

n÷y

n÷2	40560744
n÷3	27040496
n÷3	20280372
n÷5	16224297.6

Exponentiation

n^y

n²	6580695815334144
n³	5.3383583661528E+23
n⁴	4.3305557413956E+31
n⁵	3.5130112560896E+39

Nth Root

^y√n

²√n	9006.7468044794
³√n	432.89107910378
⁴√n	94.903881925237
⁵√n	38.179231439343

Divisors of 81121488

1, 2, 4, 8, 16, 97, 131, 194, 262, 388, 399, 524, 776, 798, 1048, 1552, 1596, 2096, 3192, 6384, 12707, 25414, 38703, 50828, 52269, 77406, 101656, 104538, 154812, 203312, 209076, 309624, 418152, 619248, 836304, 5070093, 10140186, 20280372, 40560744, 81121488

40 divisors

τ	Total Divisors	40	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81121487	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.025	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	40	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81121488 can be divided by 40 positive divisors. The sum of these divisors (counting 81121488) is 1, the average is 0.025.

Base conversion 81121488

Base	System	Value
2	Binary	100110101011101000011010000
3	Ternary	12122122101202120
4	Quaternary	10311131003100
5	Quinary	131231341423
6	Senary	12014414240
8	Octal	465350320
10	Decimal	81121488
12	Duodecimal	23201380
16	Hexadecimal	4d5d0d0
20	Vigesimal	15703e8
36	Base36	1capqo

Cryptographic Hash Functions

md5	46bdb80de2f4530b47911df8531667a8
sha1	c3fbebbcb2ac503e15b045a17483fae27d13d28b
sha256	69959cead6a72853e0594dbdbe8a95335d8015efa44df2f64d905194f09245fe
sha512	65e7282c1645616f7da721f10a5c80f42f0749bedc0a4f6f9d022895bca3d44ac2d0a8758356865afcf80e3eb84174d2a108a39572f7dbab72cbd856fe84182f
ripemd-160	b5deaf90225751e61037bd0e33cc2f0a5f9039c0

81121488 as geometric shapes

Circle

Radius = n

Diameter	162242976
Circumference	509701341.49815
Area	2.0673865628963E+16

Sphere

Radius = n

Volume	2.236126323378E+24
Surface area	8.2695462515851E+16
Circumference	509701341.49815

Square

Length = n

Perimeter	324485952
Area	6580695815334144
Diagonal	114723108.52949

Cube

Length = n

Surface area	39484174892004864
Volume	5.3383583661528E+23
Space diagonal	140506538.80159

Equilateral Triangle

Length = n

Perimeter	243364464
Area	2.8495248753287E+15
Altitude	70253269.400794

Triangular Pyramid

Length = n

Surface area	2.8495248753287E+15
Volume	6.2913156685176E+22
Height	38241036.176495