18390137552638761
18,390,137,552,638,761 is an odd composite number composed of seven prime numbers multiplied together.
18390137552638761 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 18390137552638761:
3 × 72 × 13 × 43 × 127 × 337 × 5229043
(3 × 7 × 7 × 13 × 43 × 127 × 337 × 5229043)See below for interesting mathematical facts about the number 18390137552638761 from the Numbermatics database.
Names of 18390137552638761
- Cardinal: 18390137552638761 can be written as Eighteen quadrillion, three hundred ninety trillion, one hundred thirty-seven billion, five hundred fifty-two million, six hundred thirty-eight thousand, seven hundred sixty-one.
Scientific notation
- Scientific notation: 1.8390137552638761 × 1016
Factors of 18390137552638761
Divisors of 18390137552638761
- Number of divisors d(n): 192
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Complete list of divisors:
1 3 7 13 21 39 43 49 91 127 129 147 273 301 337 381 559 637 889 903 1011 1651 1677 1911 2107 2359 2667 3913 4381 4953 5461 6223 6321 7077 11557 11739 13143 14491 16383 16513 18669 27391 30667 34671 38227 42799 43473 49539 70993 80899 82173 92001 101437 114681 128397 188383 212979 214669 242697 267589 299593 304311 496951 556387 565149 644007 710059 802767 898779 1318681 1490853 1669161 1840357 2097151 2130177 3478657 3894709 3956043 5229043 5521071 6291453 9230767 10435971 11684127 12882499 15687129 23924641 27262963 27692301 36603301 38647497 67977559 71773923 81788889 90177493 109809903 167472487 203932677 224848849 256223107 270532479 475842913 502417461 664088461 674546547 768669321 1172307409 1427528739 1573941943 1762187491 1992265383 2923035037 3330900391 3516922227 4648619227 4721825829 5286562473 8633149993 8769105111 9992701173 11017593601 12335312437 13945857681 20461245259 22908437383 25899449979 28555803823 32540334589 33052780803 37005937311 60432049951 61383735777 68725312149 75774062113 85667411469 86347187059 97621003767 143228716813 160359061681 181296149853 199890626761 223797811357 227322186339 259041561177 371225449699 423024349657 429686150439 481077185043 530418434791 599671880283 671393434071 985062807469 1113676349097 1122513431767 1269073048971 1399234387327 1566584679499 1591255304373 2598578147893 2909371547641 2955188422407 3367540295301 3712929043537 4197703161981 4699754038497 6895439652283 7795734443679 8728114642923 9623305888351 10966092756493 11138787130611 18190047035251 20365600833487 20686318956849 28869917665053 32898278269479 48268077565981 54570141105753 61096802500461 67363141218457 125102976548563 142559205834409 144804232697943 202089423655371 375308929645689 427677617503227 471541988529199 875720835839941 1414625965587597 2627162507519823 6130045850879587 18390137552638761
- Sum of all divisors σ(n): 31773461099347968
- Sum of proper divisors (its aliquot sum) s(n): 13383323546709207
- 18390137552638761 is a deficient number, because the sum of its proper divisors (13383323546709207) is less than itself. Its deficiency is 5006814005929554
Bases of 18390137552638761
- Binary: 10000010101010110111011100100000011001000010011001010012
- Hexadecimal: 0x4155BB90321329
- Base-36: 512RCK7K65L
Squares and roots of 18390137552638761
- 18390137552638761 squared (183901375526387612) is 338197159204974358010114159615121
- 18390137552638761 cubed (183901375526387613) is 6219492277691148562049821028441857099833706305081
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The
square root of 18390137552638761 is 135610241.3265265191 -
The
cube root of 18390137552638761 is 263954.0474839391
Scales and comparisons
How big is 18390137552638761?- 18,390,137,552,638,761 seconds is equal to 584,749,489 years, 38 weeks, 4 days, 15 hours, 39 minutes, 21 seconds.
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To count from 1 to 18,390,137,552,638,761 would take you about one billion, seven hundred fifty-four million, two hundred forty-eight thousand, four hundred sixty-nine years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 18390137552638761 cubic inches would be around 21996.2 feet tall.
Recreational maths with 18390137552638761
- 18390137552638761 backwards is 16783625573109381
- The number of decimal digits it has is: 17
- The sum of 18390137552638761's digits is 75
- More coming soon!
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