81121372, eighty-one million one hundred twenty-one thousand three hundred seventy-two: 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

81121372 has 12 divisors, whose sum is 142203600
The reverse of 81121372 is 27312118
Previous prime number is 599

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	eighty-one million one hundred twenty-one thousand three hundred seventy-two

Notation

Scientific notation	8.1121372 × 10^7
Engineering notation	8.1121372 × 10^6

Prime Factorization of 81121372

Prime Factorization 2 × 2 × 599 × 33857

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	40560686	Product of the distinct prime numbers

The prime factorization of 81121372 is 2 × 2 × 599 × 33857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 56, 18, 970, 783, 3646, 8757, 2852, 53427, 450215, 159656, 7442577, 9851616, 47242051, 81740773, 851259128, 999840094, 2718545838, 7806907508

Basic calculations (n = 81121372)

Multiplication

n×y

n×2	162242744
n×3	243364116
n×4	324485488
n×5	405606860

Division

n÷y

n÷2	40560686
n÷3	27040457.333333
n÷3	20280343
n÷5	16224274.4

Exponentiation

n^y

n²	6580676995162384
n³	5.3383354653641E+23
n⁴	4.3305309714659E+31
n⁵	3.5129861389381E+39

Nth Root

^y√n

²√n	9006.7403648601
³√n	432.89087276556
⁴√n	94.903847998172
⁵√n	38.179220520427

Divisors of 81121372

1, 2, 4, 599, 1198, 2396, 33857, 67714, 135428, 20280343, 40560686, 81121372

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81121371	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81121372 can be divided by 12 positive divisors. The sum of these divisors (counting 81121372) is 1, the average is 0.083333333333333.

Base conversion 81121372

Base	System	Value
2	Binary	100110101011101000001011100
3	Ternary	12122122101121021
4	Quaternary	10311131001130
5	Quinary	131231340442
6	Senary	12014413524
8	Octal	465350134
10	Decimal	81121372
12	Duodecimal	232012a4
16	Hexadecimal	4d5d05c
20	Vigesimal	157038c
36	Base36	1capng

Cryptographic Hash Functions

md5	bc2e8e2c9c4d511ae12da0f73362c007
sha1	831b30c4d25a156559df271921a5a7cc10fb2a65
sha256	4b4a963a78726aff9c8784f1a18794f1f59f8cb020814aa090ffd8d8c4608a3e
sha512	ebb91bdb509967fca220e86d1acd6b5d936049f42255cb5be181ccb25c688ffd1b74506390d117aedb976f7035ad84920f822ae91f252b4c62dc409a67c45800
ripemd-160	5ce38681abcf7d24c4878b95d4d4ebbf391772c5

81121372 as geometric shapes

Circle

Radius = n

Diameter	162242744
Circumference	509700612.64865
Area	2.067380650365E+16

Sphere

Radius = n

Volume	2.2361167307181E+24
Surface area	8.2695226014598E+16
Circumference	509700612.64865

Square

Length = n

Perimeter	324485488
Area	6580676995162384
Diagonal	114722944.48071

Cube

Length = n

Surface area	39484061970974304
Volume	5.3383354653641E+23
Space diagonal	140506337.8837

Equilateral Triangle

Length = n

Perimeter	243364116
Area	2.8495167259552E+15
Altitude	70253168.941848

Triangular Pyramid

Length = n

Surface area	2.8495167259552E+15
Volume	6.2912886796793E+22
Height	38240981.493571