638961388, six hundred thirty-eight million nine hundred sixty-one thousand three 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

638961388 has 12 divisors, whose sum is 1123243632
The reverse of 638961388 is 883169836
Previous prime number is 221

Basic properties

Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7

Name

Name	six hundred thirty-eight million nine hundred sixty-one thousand three hundred eighty-eight

Notation

Scientific notation	6.38961388 × 10^8
Engineering notation	6.38961388 × 10^6

Prime Factorization of 638961388

Prime Factorization 2 × 2 × 221 × 722807

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	319480694	Product of the distinct prime numbers

The prime factorization of 638961388 is 2 × 2 × 221 × 722807. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 74, 96, 499, 561, 9256, 6208, 45599, 52882, 787750, 389000, 3955100, 9632973, 66860185, 19906467, 115797420, 841942622, 5261471050, 1970453866

Basic calculations (n = 638961388)

Multiplication

n×y

n×2	1277922776
n×3	1916884164
n×4	2555845552
n×5	3194806940

Division

n÷y

n÷2	319480694
n÷3	212987129.33333
n÷3	159740347
n÷5	127792277.6

Exponentiation

n^y

n²	408271655354886544
n³	2.6086982358662E+26
n⁴	1.6668574456622E+35
n⁵	1.0650575470784E+44

Nth Root

^y√n

²√n	25277.685574435
³√n	861.30745242062
⁴√n	158.98957693646
⁵√n	57.689253998207

Divisors of 638961388

1, 2, 4, 221, 442, 884, 722807, 1445614, 2891228, 159740347, 319480694, 638961388

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	-638961387	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 638961388 can be divided by 12 positive divisors. The sum of these divisors (counting 638961388) is 1, the average is 0.083333333333333.

Base conversion 638961388

Base	System	Value
2	Binary	100110000101011100011011101100
3	Ternary	1122112022121020121
4	Quaternary	212011130123230
5	Quinary	2302033231023
6	Senary	143223054324
8	Octal	4605343354
10	Decimal	638961388
12	Duodecimal	159ba13a4
16	Hexadecimal	2615c6ec
20	Vigesimal	9jda398
36	Base36	akf5rg

Cryptographic Hash Functions

md5	4cfa2ff32b058a29906d505bdf35e7f7
sha1	ab9885af2dc668ffca206f1f604243bdeed1fab8
sha256	1649d4635ec2fbcc545019c0a188490b3209af893ed0a3cddaa0ee7b9d5e721f
sha512	ce7dcac7c3632190b9d25da0f993bc5bd31885eb63c6e880a049b6f0e8b4b6e8918e8cb7759224cd3f4f6a357ea32261106f83638311f80c8d2060a28060cc1d
ripemd-160	2b021bf3608c2a00528544af13837f3210a5a1af

638961388 as geometric shapes

Circle

Radius = n

Diameter	1277922776
Circumference	4014712804.9367
Area	1.2826232331319E+18

Sphere

Radius = n

Volume	1.092728961764E+27
Surface area	5.1304929325274E+18
Circumference	4014712804.9367

Square

Length = n

Perimeter	2555845552
Area	408271655354886544
Diagonal	903627860.74234

Cube

Length = n

Surface area	2449629932129319264
Volume	2.6086982358662E+26
Space diagonal	1106713588.0907

Equilateral Triangle

Length = n

Perimeter	1916884164
Area	1.7678681259123E+17
Altitude	553356794.04537

Triangular Pyramid

Length = n

Surface area	1.7678681259123E+17
Volume	3.0743803544172E+25
Height	301209286.91411