1998505868400

Names of 1998505868400

• Cardinal: 1998505868400 can be written as One trillion, nine hundred ninety-eight billion, five hundred five million, eight hundred sixty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.9985058684 × 10¹²

Factors of 1998505868400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7840

Divisors of 1998505868400

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 271 300 360 400 450 542 600 720 813 900 1084 1200 1355 1626 1800 2168 2439 2710 3252 3600 4065 4336 4878 5420 6504 6775 7559 8130 9756 10840 12195 13008 13550 15118 16260 19512 20325 21680 22677 24390 27100 30236 32520 37795 39024 40650 45354 48780 54200 60472 60975 65040 68031 73441 75590 81300 90708 97560 108400 113385 120944 121950 136062 146882 151180 162600 181416 188975 195120 220323 226770 243900 272124 293764 302360 325200 340155 362832 367205 377950 440646 453540 487800 544248 566925 587528 604720 660969 680310 734410 755900 881292 907080 975600 1088496 1101615 1133850 1175056 1321938 1360620 1468820 1511800 1700775 1762584 1814160 1836025 2048489 2203230 2267700 2643876 2721240 2937640 3023600 3304845 3401550 3525168 3672050 4096978 4406460 4535400 5287752 5442480 5508075 5875280 6145467 6609690 6803100 7344100 8193956 8812920 9070800 10242445 10575504 11016150 12290934 13219380 13606200 14688200 16387912 16524225 17625840 18436401 20484890 22032300 24581868 26438760 27212400 29376400 30727335 32775824 33048450 36872802 40969780 44064600 49163736 51212225 52877520 61454670 66096900 73745604 81939560 88129200 92182005 98327472 102424450 122909340 132193800 147491208 153636675 163879120 184364010 204848900 245818680 264387600 294982416 307273350 368728020 409697800 460910025 491637360 555140519 614546700 737456040 819395600 921820050 1110281038 1229093400 1474912080 1665421557 1843640100 2220562076 2458186800 2775702595 3330843114 3687280200 4441124152 4996264671 5551405190 6661686228 7374560400 8327107785 8882248304 9992529342 11102810380 13323372456 13878512975 16654215570 19985058684 22205620760 24981323355 26646744912 27757025950 33308431140 39970117368 41635538925 44411241520 49962646710 55514051900 66616862280 79940234736 83271077850 99925293420 111028103800 124906616775 133233724560 166542155700 199850586840 222056207600 249813233550 333084311400 399701173680 499626467100 666168622800 999252934200 1998505868400
• Sum of all divisors σ(n): 6961977608040
• Sum of proper divisors (its aliquot sum) s(n): 4963471739640
• 1998505868400 is an abundant number, because the sum of its proper divisors (4963471739640) is greater than itself. Its abundance is 2964965871240

Bases of 1998505868400

• Binary: 11101000101010000001110110111110001110000₂
• Hexadecimal: 0x1D1503B7C70
• Base-36: PI3MSL80

Squares and roots of 1998505868400

• 1998505868400 squared (1998505868400²) is 3994025706029238118560000
• 1998505868400 cubed (1998505868400³) is 7982083812039885641923134957504000000
• The square root of 1998505868400 is 1413685.2083826865
• The cube root of 1998505868400 is 12596.0722375663

Scales and comparisons

• 1,998,505,868,400 seconds is equal to 63,546 years, 15 weeks, 5 days, 23 hours.
• To count from 1 to 1,998,505,868,400 would take you about one hundred fifty-eight thousand, eight 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 1998505868400 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998505868400

• 1998505868400 backwards is 0048685058991
• The number of decimal digits it has is: 13
• The sum of 1998505868400's digits is 63
• More coming soon!