18488789666142464

Names of 18488789666142464

• Cardinal: 18488789666142464 can be written as Eighteen quadrillion, four hundred eighty-eight trillion, seven hundred eighty-nine billion, six hundred sixty-six million, one hundred forty-two thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8488789666142464 × 10¹⁶

Factors of 18488789666142464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 7655

Divisors of 18488789666142464

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 8 16 32 59 64 118 128 236 256 401 472 802 944 1604 1888 3208 3481 3776 6416 6962 7193 7552 12832 13924 14386 15104 23659 25664 27848 28772 47318 51328 55696 57544 94636 102656 111392 115088 189272 222784 230176 378544 424387 445568 460352 757088 848774 891136 920704 1395881 1514176 1697548 1841408 2791762 2884393 3028352 3395096 5583524 5768786 6056704 6790192 11167048 11537572 13580384 22334096 23075144 25038833 27160768 44668192 46150288 50077666 51739249 54321536 89336384 92300576 100155332 103478498 108643072 170179187 178672768 184601152 200310664 206956996 340358374 357345536 369202304 400621328 413913992 680716748 738404608 801242656 827827984 1361433496 1602485312 1655655968 2722866992 3052615691 3204970624 3311311936 5445733984 6105231382 6409941248 6622623872 10040572033 10891467968 12210462764 13245247744 20081144066 20747438849 21782935936 24420925528 40162288132 41494877698 43565871872 48841851056 80324576264 82989755396 97683702112 160649152528 165979510792 180104325769 195367404224 321298305056 331959021584 360208651538 390734808448 642596610112 663918043168 720417303076 781469616896 1224098892091 1285193220224 1327836086336 1440834606152 2448197784182 2570386440448 2655672172672 2881669212304 4896395568364 5311344345344 5763338424608 9792791136728 11526676849216 19585582273456 23053353698432 39171164546912 46106707396864 72221834633369 78342329093824 144443669266738 156684658187648 288887338533476 313369316375296 577774677066952 1155549354133904 2311098708267808 4622197416535616 9244394833071232 18488789666142464
• Sum of all divisors σ(n): 37640326519182786
• Sum of proper divisors (its aliquot sum) s(n): 19151536853040322
• 18488789666142464 is an abundant number, because the sum of its proper divisors (19151536853040322) is greater than itself. Its abundance is 662747186897858

Bases of 18488789666142464

• Binary: 1000001101011110111010011001100011000001001100100000000₂
• Hexadecimal: 0x41AF74CC609900
• Base-36: 521Q8PSTGJK

Squares and roots of 18488789666142464

• 18488789666142464 squared (18488789666142464²) is 341835343318856365417974343991296
• 18488789666142464 cubed (18488789666142464³) is 6320121763075932942228741375082308975689511993344
• The square root of 18488789666142464 is 135973488.8356640793
• The cube root of 18488789666142464 is 264425.1913330211

Scales and comparisons

• 18,488,789,666,142,464 seconds is equal to 587,886,321 years, 41 weeks, 4 days, 21 hours, 47 minutes, 44 seconds.
• To count from 1 to 18,488,789,666,142,464 would take you about one billion, seven hundred sixty-three million, six hundred fifty-eight thousand, nine hundred sixty-five 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 18488789666142464 cubic inches would be around 22035.4 feet tall.

Recreational maths with 18488789666142464

• 18488789666142464 backwards is 46424166698788481
• The number of decimal digits it has is: 17
• The sum of 18488789666142464's digits is 92
• More coming soon!