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

87121013 (number)

87121013 is an odd 8-digits composite number following 87121012 and preceding 87121014. In scientific notation, it is written as 8.7121013 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 74675148 positive integers (up to 87121013) that are relatively prime to 87121013.

Interesting facts

87121013 has 4 divisors, whose sum is 99566880
The reverse of 87121013 is 31012178
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	eighty-seven million one hundred twenty-one thousand thirteen

Notation

Scientific notation	8.7121013 × 10^7
Engineering notation	8.7121013 × 10^6

Prime Factorization of 87121013

Prime Factorization 7 × 12445859

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	87121013	Product of the distinct prime numbers

The prime factorization of 87121013 is 7 × 12445859. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 60, 19, 290, 146, 1440, 8450, 66466, 51335, 779411, 935026, 1968730, 2801228, 37117425, 34686070, 883993374, 764365795, 9956214318, 3639247776

Basic calculations (n = 87121013)

Multiplication

n×y

n×2	174242026
n×3	261363039
n×4	348484052
n×5	435605065

Division

n÷y

n÷2	43560506.5
n÷3	29040337.666667
n÷3	21780253.25
n÷5	17424202.6

Exponentiation

n^y

n²	7590070906146169
n³	6.6125466608528E+23
n⁴	5.7609176360327E+31
n⁵	5.0189698026073E+39

Nth Root

^y√n

²√n	9333.8637765933
³√n	443.31011310472
⁴√n	96.611923573611
⁵√n	38.727956632212

Divisors of 87121013

1, 7, 12445859, 87121013

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-87121012	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87121013 can be divided by 4 positive divisors. The sum of these divisors (counting 87121013) is 1, the average is 0.25.

Base conversion 87121013

Base	System	Value
2	Binary	101001100010101110001110101
3	Ternary	20001221012120012
4	Quaternary	11030111301311
5	Quinary	134300333023
6	Senary	12351150005
8	Octal	514256165
10	Decimal	87121013
12	Duodecimal	25215305
16	Hexadecimal	5315c75
20	Vigesimal	174a2ad
36	Base36	1fvb05

Cryptographic Hash Functions

md5	fe7acfb153c75eb9e177197ed46d0f47
sha1	57ac2ed7d901892db6947d56199b1399dfbcc4c2
sha256	5fe5b2d3d25af71ade6c535b389ee33346eb07d10bcce1b46e5583fdacb02082
sha512	1ee2718f108398f5df70c506325ddd713d872d6daf36c350c858d30801d2b4f52ac4fb0627c5ed51f0f1546e70396671b228989925cbf4190e48ce504959d59d
ripemd-160	e12b25adcf91cfa09bf6c9cd29c5d4354478fedb

87121013 as geometric shapes

Circle

Radius = n

Diameter	174242026
Circumference	547397468.8282
Area	2.3844910998974E+16

Sphere

Radius = n

Volume	2.7698570681673E+24
Surface area	9.5379643995898E+16
Circumference	547397468.8282

Square

Length = n

Perimeter	348484052
Area	7590070906146169
Diagonal	123207718.15228

Cube

Length = n

Surface area	45540425436877014
Volume	6.6125466608528E+23
Space diagonal	150898020.92287

Equilateral Triangle

Length = n

Perimeter	261363039
Area	3.2865971106239E+15
Altitude	75449010.461434

Triangular Pyramid

Length = n

Surface area	3.2865971106239E+15
Volume	7.7929609746692E+22
Height	41069239.384094