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

71388961 (number)

71388961 is an odd 8-digits composite number following 71388960 and preceding 71388962. In scientific notation, it is written as 7.1388961 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 61190532 positive integers (up to 71388961) that are relatively prime to 71388961.

Interesting facts

71388961 has 4 divisors, whose sum is 81587392
The reverse of 71388961 is 16988317
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	seventy-one million three hundred eighty-eight thousand nine hundred sixty-one

Notation

Scientific notation	7.1388961 × 10^7
Engineering notation	7.1388961 × 10^6

Prime Factorization of 71388961

Prime Factorization 7 × 10198423

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	71388961	Product of the distinct prime numbers

The prime factorization of 71388961 is 7 × 10198423. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 96, 9, 99, 182, 1085, 6625, 70206, 32983, 873370, 613257, 7671441, 4340247, 10519708, 70993669, 78576413, 520663539, 3988740913, 3073285445

Basic calculations (n = 71388961)

Multiplication

n×y

n×2	142777922
n×3	214166883
n×4	285555844
n×5	356944805

Division

n÷y

n÷2	35694480.5
n÷3	23796320.333333
n÷3	17847240.25
n÷5	14277792.2

Exponentiation

n^y

n²	5096383752659521
n³	3.6382554095964E+23
n⁴	2.5973127354372E+31
n⁵	1.8541945757493E+39

Nth Root

^y√n

²√n	8449.1988377597
³√n	414.83655633744
⁴√n	91.919523702855
⁵√n	37.215701721151

Divisors of 71388961

1, 7, 10198423, 71388961

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	-71388960	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 71388961 can be divided by 4 positive divisors. The sum of these divisors (counting 71388961) is 1, the average is 0.25.

Base conversion 71388961

Base	System	Value
2	Binary	100010000010100111100100001
3	Ternary	11222022221020121
4	Quaternary	10100110330201
5	Quinary	121233421321
6	Senary	11030040241
8	Octal	420247441
10	Decimal	71388961
12	Duodecimal	1baa9081
16	Hexadecimal	4414f21
20	Vigesimal	1263c81
36	Base36	16i42p

Cryptographic Hash Functions

md5	e5a2036f81b1666e8fa87028e0a6ebed
sha1	b18e39ea8c23704fdf51002d638aab82483bbe18
sha256	be648328ddeafaf7c1b96f3de31f2e6f046ae99a0ba91badbd9782c42a7cbdcf
sha512	c4d0f097c81c2e30dcbc0ad19888b165001911524bf3d4b129bdb08f0ce2044078323c37fea7e1fccaee20bdddeff6d0cf41d688d2800a0970b87397ddc43e2f
ripemd-160	c2b8ba829fd5c6b51f7a09750e047d2656531075

71388961 as geometric shapes

Circle

Radius = n

Diameter	142777922
Circumference	448550070.85002
Area	1.601076175723E+16

Sphere

Radius = n

Volume	1.5239888622229E+24
Surface area	6.4043047028918E+16
Circumference	448550070.85002

Square

Length = n

Perimeter	285555844
Area	5096383752659521
Diagonal	100959236.84992

Cube

Length = n

Surface area	30578302515957126
Volume	3.6382554095964E+23
Space diagonal	123649307.55155

Equilateral Triangle

Length = n

Perimeter	214166883
Area	2.2067988986187E+15
Altitude	61824653.775777

Triangular Pyramid

Length = n

Surface area	2.2067988986187E+15
Volume	4.2877251196905E+22
Height	33653078.949975