1989164589657840

Names of 1989164589657840

• Cardinal: 1989164589657840 can be written as One quadrillion, nine hundred eighty-nine trillion, one hundred sixty-four billion, five hundred eighty-nine million, six hundred fifty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.98916458965784 × 10¹⁵

Factors of 1989164589657840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 14617611640

Divisors of 1989164589657840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 105 108 112 120 126 135 140 144 162 168 180 189 210 216 240 243 252 270 280 315 324 336 360 378 405 420 432 486 504 540 560 567 630 648 720 756 810 840 945 972 1008 1080 1134 1215 1260 1296 1512 1620 1680 1701 1890 1944 2160 2268 2430 2520 2835 3024 3240 3402 3780 3888 4536 4860 5040 5670 6480 6804 7560 8505 9072 9720 11340 13608 15120 17010 19440 22680 27216 34020 45360 68040 136080 14617611623 29235223246 43852834869 58470446492 73088058115 87705669738 102323281361 116940892984 131558504607 146176116230 175411339476 204646562722 219264174345 233881785968 263117009214 292352232460 306969844083 350822678952 394675513821 409293125444 438528348690 511616406805 526234018428 584704464920 613939688166 657792523035 701645357904 789351027642 818586250888 877056697380 920909532249 1023232813610 1052468036856 1169408929840 1184026541463 1227879376332 1315585046070 1534849220415 1578702055284 1637172501776 1754113394760 1841819064498 1973377569105 2046465627220 2104936073712 2368053082926 2455758752664 2631170092140 2762728596747 3069698440830 3157404110568 3508226789520 3552079624389 3683638128996 3946755138210 4092931254440 4604547661245 4736106165852 4911517505328 5262340184280 5525457193494 5920132707315 6139396881660 6314808221136 7104159248778 7367276257992 7893510276420 8185862508880 8288185790241 9209095322490 9472212331704 10524680368560 11050914386988 11840265414630 12278793763320 13813642983735 14208318497556 14734552515984 15787020552840 16576371580482 17760398121945 18418190644980 18944424663408 22101828773976 23680530829260 24557587526640 24864557370723 27627285967470 28416636995112 31574041105680 33152743160964 35520796243890 36836381289960 41440928951205 44203657547952 47361061658520 49729114741446 55254571934940 56833273990224 66305486321928 71041592487780 73672762579920 82881857902410 94722123317040 99458229482892 110509143869880 124322786853615 132610972643856 142083184975560 165763715804820 198916458965784 221018287739760 248645573707230 284166369951120 331527431609640 397832917931568 497291147414460 663054863219280 994582294828920 1989164589657840
• Sum of all divisors σ(n): 7917366219130368
• Sum of proper divisors (its aliquot sum) s(n): 5928201629472528
• 1989164589657840 is an abundant number, because the sum of its proper divisors (5928201629472528) is greater than itself. Its abundance is 3939037039814688

Bases of 1989164589657840

• Binary: 111000100010010001001111000110001000010111011110000₂
• Hexadecimal: 0x7112278C42EF0
• Base-36: JL3LLHZ300

Squares and roots of 1989164589657840

• 1989164589657840 squared (1989164589657840²) is 3956775764748642987888273465600
• 1989164589657840 cubed (1989164589657840³) is 7870678240454320486392756769272251455010304000
• The square root of 1989164589657840 is 44600051.4535335485
• The cube root of 1989164589657840 is 125764.1634930393

Scales and comparisons

• 1,989,164,589,657,840 seconds is equal to 63,249,281 years, 3 weeks, 1 day, 5 hours, 24 minutes.
• To count from 1 to 1,989,164,589,657,840 would take you about one hundred eighty-nine million, seven hundred forty-seven thousand, eight hundred forty-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 1989164589657840 cubic inches would be around 10480.3 feet tall.

Recreational maths with 1989164589657840

• 1989164589657840 backwards is 0487569854619891
• 1989164589657840 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1989164589657840's digits is 90
• More coming soon!