1998355431424

Names of 1998355431424

• Cardinal: 1998355431424 can be written as One trillion, nine hundred ninety-eight billion, three hundred fifty-five million, four hundred thirty-one thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.998355431424 × 10¹²

Factors of 1998355431424

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 264

Divisors of 1998355431424

• Number of divisors d(n): 171
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 251 256 352 484 502 512 704 968 1004 1024 1408 1936 2008 2048 2761 2816 3872 4016 4096 5522 5632 7744 8032 8192 11044 11264 15488 16064 16384 22088 22528 30371 30976 32128 32768 44176 45056 60742 61952 63001 64256 65536 88352 90112 121484 123904 126002 128512 131072 176704 180224 242968 247808 252004 257024 262144 353408 360448 485936 495616 504008 514048 693011 706816 720896 971872 991232 1008016 1028096 1386022 1413632 1441792 1943744 1982464 2016032 2056192 2772044 2827264 2883584 3887488 3964928 4032064 4112384 5544088 5654528 7623121 7774976 7929856 8064128 8224768 11088176 11309056 15246242 15549952 15859712 16128256 16449536 22176352 22618112 30492484 31099904 31719424 32256512 32899072 44352704 45236224 60984968 62199808 64513024 65798144 88705408 90472448 121969936 124399616 129026048 177410816 180944896 243939872 248799232 258052096 354821632 361889792 487879744 497598464 516104192 709643264 723779584 975759488 995196928 1032208384 1419286528 1951518976 1990393856 2064416768 2838573056 3903037952 3980787712 4128833536 5677146112 7806075904 7961575424 8257667072 11354292224 15612151808 16515334144 22708584448 31224303616 45417168896 62448607232 90834337792 124897214464 181668675584 249794428928 499588857856 999177715712 1998355431424
• Sum of all divisors σ(n): 4410642506263
• Sum of proper divisors (its aliquot sum) s(n): 2412287074839
• 1998355431424 is an abundant number, because the sum of its proper divisors (2412287074839) is greater than itself. Its abundance is 413931643415

Bases of 1998355431424

• Binary: 11101000101000111010001000000000000000000₂
• Hexadecimal: 0x1D147440000
• Base-36: PI1587B4

Squares and roots of 1998355431424

• 1998355431424 squared (1998355431424²) is 3993424430301801166667776
• 1998355431424 cubed (1998355431424³) is 7980281400274897288940650036958593024
• 1998355431424 is a perfect square number. Its square root is 1413632
• The cube root of 1998355431424 is 12595.7561743519

Scales and comparisons

• 1,998,355,431,424 seconds is equal to 63,541 years, 27 weeks, 18 hours, 57 minutes, 4 seconds.
• To count from 1 to 1,998,355,431,424 would take you about one hundred fifty-eight thousand, eight hundred fifty-three 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 1998355431424 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1998355431424

• 1998355431424 backwards is 4241345538991
• The number of decimal digits it has is: 13
• The sum of 1998355431424's digits is 58
• More coming soon!