1998449502390

Names of 1998449502390

• Cardinal: 1998449502390 can be written as One trillion, nine hundred ninety-eight billion, four hundred forty-nine million, five hundred two thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.99844950239 × 10¹²

Factors of 1998449502390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 654

Divisors of 1998449502390

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 30 33 41 45 55 66 71 82 90 99 110 121 123 142 165 198 205 213 242 246 330 355 363 369 410 426 451 495 521 605 615 639 710 726 738 781 902 990 1042 1065 1089 1210 1230 1278 1331 1353 1562 1563 1815 1845 2130 2178 2255 2343 2605 2662 2706 2911 3126 3195 3630 3690 3905 3993 4059 4510 4686 4689 4961 5210 5445 5731 5822 6390 6655 6765 7029 7810 7815 7986 8118 8591 8733 9378 9922 10890 11462 11715 11979 13310 13530 14058 14555 14641 14883 15630 17182 17193 17466 19965 20295 21361 23430 23445 23958 24805 25773 26199 28655 29110 29282 29766 32021 34386 35145 36991 39930 40590 42722 42955 43665 43923 44649 46890 49610 51546 51579 52398 54571 57310 59895 63041 64042 64083 70290 73205 73982 74415 77319 85910 85965 87330 87846 89298 94501 96063 103158 106805 109142 110973 119790 126082 128166 128865 130995 131769 146410 148830 154638 160105 163713 171930 184955 189002 189123 192126 192249 213610 219615 221946 223245 234971 257730 257895 261990 263538 272855 283503 288189 315205 320210 320415 327426 332919 352231 369910 378246 384498 386595 406901 439230 446490 469942 472505 480315 491139 515790 545710 554865 567006 567369 576378 600281 630410 640830 658845 665838 693451 704462 704913 773190 813802 818565 850509 945010 945615 960630 961245 982278 1039511 1056693 1109730 1134738 1174855 1200562 1220703 1317690 1386902 1409826 1417515 1440945 1516631 1637130 1664595 1701018 1761155 1800843 1891230 1922490 2034505 2079022 2080353 2113386 2114739 2349710 2441406 2455695 2584681 2835030 2836845 2881890 3001405 3033262 3118533 3170079 3329190 3467255 3522310 3524565 3601686 3662109 3874541 4069010 4160706 4229478 4252545 4475911 4549893 4911390 5169362 5197555 5283465 5402529 5673690 6002810 6103515 6237066 6241059 6340158 6934510 7049130 7324218 7583155 7627961 7749082 7754043 8505090 8951822 9004215 9099786 9355599 10395110 10401765 10566930 10573695 10805058 11623623 12207030 12482118 12923405 13427733 13649679 15166310 15255922 15508086 15592665 15850395 16682941 18008430 18310545 18711198 19372705 20803530 21147390 22379555 22749465 22883883 23247246 23262129 25846810 26855466 27012645 27299358 28431491 31185330 31205295 31700790 33365882 34870869 36621090 38139805 38745410 38770215 40283199 42619951 44759110 45498930 45767766 46524258 46777995 49235021 50048823 54025290 56862982 58118115 62410590 67138665 68248395 68651649 69741738 76279610 77540430 80566398 83414705 85239902 85294473 93555990 98470042 100097646 114419415 116236230 116310645 127859853 134277330 136496790 137303298 142157455 147705063 150146469 166829410 170588946 174354345 183512351 201415995 213099755 228838830 232621290 246175105 250244115 255719706 255883419 284314910 295410126 300292938 312746401 343258245 348708690 367024702 383579559 402831990 426199510 426472365 443115189 492350210 500488230 511766838 541585231 550537053 625492802 639299265 686516490 738525315 750732345 767159118 852944730 886230378 917561755 938239203 1083170462 1101074106 1278598530 1279417095 1477050630 1501464690 1563732005 1624755693 1651611159 1835123510 1876478406 1917897795 2018635861 2215575945 2558834190 2707926155 2752685265 2814717609 3127464010 3249511386 3303222318 3835795590 4037271722 4431151890 4691196015 4874267079 5415852310 5505370530 5629435218 6055907583 8123778465 8258055795 9382392030 9748534158 10093179305 12111815166 14073588045 16247556930 16516111590 18167722749 20186358610 22204994471 24371335395 28147176090 30279537915 36335445498 44409988942 48742670790 60559075830 66614983413 90838613745 111024972355 133229966826 181677227490 199844950239 222049944710 333074917065 399689900478 666149834130 999224751195 1998449502390
• Sum of all divisors σ(n): 5948793264960
• Sum of proper divisors (its aliquot sum) s(n): 3950343762570
• 1998449502390 is an abundant number, because the sum of its proper divisors (3950343762570) is greater than itself. Its abundance is 1951894260180

Bases of 1998449502390

• Binary: 11101000101001100110111110110100010110110₂
• Hexadecimal: 0x1D14CDF68B6
• Base-36: PI2P8GXI

Squares and roots of 1998449502390

• 1998449502390 squared (1998449502390²) is 3993800413602838615712100
• 1998449502390 cubed (1998449502390³) is 7981408449209569018661322680501919000
• The square root of 1998449502390 is 1413665.2724000827
• The cube root of 1998449502390 is 12595.9538162627

Scales and comparisons

• 1,998,449,502,390 seconds is equal to 63,544 years, 26 weeks, 4 days, 13 hours, 46 minutes, 30 seconds.
• To count from 1 to 1,998,449,502,390 would take you about one hundred fifty-eight thousand, eight hundred sixty-one 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 1998449502390 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998449502390

• 1998449502390 backwards is 0932059448991
• The number of decimal digits it has is: 13
• The sum of 1998449502390's digits is 63
• More coming soon!