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

157021681 (number)

157021681 is an odd 9-digits composite number following 157021680 and preceding 157021682. In scientific notation, it is written as 1.57021681 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 145297152 positive integers (up to 157021681) that are relatively prime to 157021681.

Interesting facts

157021681 has 8 divisors, whose sum is 169130720
The reverse of 157021681 is 186120751
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4

Name

Name	one hundred fifty-seven million twenty-one thousand six hundred eighty-one

Notation

Scientific notation	1.57021681 × 10^8
Engineering notation	1.57021681 × 10^6

Prime Factorization of 157021681

Prime Factorization 19 × 43 × 192193

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	157021681	Product of the distinct prime numbers

The prime factorization of 157021681 is 19 × 43 × 192193. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 80, 13, 589, 769, 8239, 3790, 79021, 17334, 44541, 444739, 8613337, 59744, 82953584, 46279053, 871284558, 149003619, 221694715, 5654759659

Basic calculations (n = 157021681)

Multiplication

n×y

n×2	314043362
n×3	471065043
n×4	628086724
n×5	785108405

Division

n÷y

n÷2	78510840.5
n÷3	52340560.333333
n÷3	39255420.25
n÷5	31404336.2

Exponentiation

n^y

n²	24655808304065761
n³	3.8714964663182E+24
n⁴	6.0790888312684E+32
n⁵	9.5454874723409E+40

Nth Root

^y√n

²√n	12530.829222362
³√n	539.49390282577
⁴√n	111.94118644343
⁵√n	43.570437869136

Divisors of 157021681

1, 19, 43, 817, 192193, 3651667, 8264299, 157021681

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-157021680	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157021681 can be divided by 8 positive divisors. The sum of these divisors (counting 157021681) is 1, the average is 0.125.

Base conversion 157021681

Base	System	Value
2	Binary	1001010110111111010111110001
3	Ternary	101221110112020211
4	Quaternary	21112333113301
5	Quinary	310144143211
6	Senary	23325304121
8	Octal	1126772761
10	Decimal	157021681
12	Duodecimal	44705041
16	Hexadecimal	95bf5f1
20	Vigesimal	2917e41
36	Base36	2lhipd

Cryptographic Hash Functions

md5	3c0b107ae869ea38f92c2e78c75c8e1c
sha1	eaf2575278cf55207a4bc498fb56a73548404b02
sha256	2ee7b6b536f7ac49a7458af1e9fe8778fd2dc6cddd68230e5a60e01eacf3b784
sha512	5ff18cde7b12fba55f16a2705676b740c90726954886973ae2ef0322f22da9ac17847506c5003e47919a951208e2a0258f58dc6a0cd812c831d2bda9bbb04036
ripemd-160	c4bd8ba9b8422f4af9b36c33a29d34d7ef34c697

157021681 as geometric shapes

Circle

Radius = n

Diameter	314043362
Circumference	986596318.96784
Area	7.7458506236371E+16

Sphere

Radius = n

Volume	1.6216886475979E+25
Surface area	3.0983402494548E+17
Circumference	986596318.96784

Square

Length = n

Perimeter	628086724
Area	24655808304065761
Diagonal	222062190.85682

Cube

Length = n

Surface area	147934849824394566
Volume	3.8714964663182E+24
Space diagonal	271969529.38187

Equilateral Triangle

Length = n

Perimeter	471065043
Area	1.067627817108E+16
Altitude	135984764.69094

Triangular Pyramid

Length = n

Surface area	1.067627817108E+16
Volume	4.5626023411222E+23
Height	74020730.285607