1998425763840

Names of 1998425763840

• Cardinal: 1998425763840 can be written as One trillion, nine hundred ninety-eight billion, four hundred twenty-five million, seven hundred sixty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.99842576384 × 10¹²

Factors of 1998425763840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 8231

Divisors of 1998425763840

• Number of divisors d(n): 624
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 19 20 22 24 30 32 33 38 40 44 48 55 57 60 64 66 76 80 88 95 96 110 114 120 128 132 152 160 165 176 190 192 209 220 228 240 256 264 285 304 320 330 352 361 380 384 418 440 456 480 512 528 570 608 627 640 660 704 722 760 768 836 880 912 960 1024 1045 1056 1083 1140 1216 1254 1280 1320 1408 1444 1520 1536 1672 1760 1805 1824 1920 2048 2090 2112 2166 2280 2432 2508 2560 2640 2816 2888 3040 3072 3135 3344 3520 3610 3648 3840 3971 4096 4180 4224 4332 4560 4864 5016 5120 5280 5415 5632 5776 6080 6144 6270 6688 7040 7220 7296 7680 7942 8191 8360 8448 8664 9120 9728 10032 10240 10560 10830 11264 11552 11913 12160 12288 12540 13376 14080 14440 14592 15360 15884 16382 16720 16896 17328 18240 19456 19855 20064 20480 21120 21660 22528 23104 23826 24320 24573 25080 26752 28160 28880 29184 30720 31768 32764 33440 33792 34656 36480 38912 39710 40128 40955 42240 43320 45056 46208 47652 48640 49146 50160 53504 56320 57760 58368 59565 61440 63536 65528 66880 67584 69312 72960 77824 79420 80256 81910 84480 86640 90101 92416 95304 97280 98292 100320 107008 112640 115520 116736 119130 122865 127072 131056 133760 135168 138624 145920 155629 158840 160512 163820 168960 173280 180202 184832 190608 194560 196584 200640 214016 225280 231040 233472 238260 245730 254144 262112 267520 270303 277248 291840 311258 317680 321024 327640 337920 346560 360404 369664 381216 389120 393168 401280 428032 450505 462080 466887 476520 491460 508288 524224 535040 540606 554496 583680 622516 635360 642048 655280 675840 693120 720808 739328 762432 778145 786336 802560 856064 901010 924160 933774 953040 982920 1016576 1048448 1070080 1081212 1108992 1167360 1245032 1270720 1284096 1310560 1351515 1386240 1441616 1478656 1524864 1556290 1572672 1605120 1711919 1802020 1848320 1867548 1906080 1965840 2033152 2096896 2140160 2162424 2217984 2334435 2490064 2541440 2568192 2621120 2703030 2772480 2883232 2956951 3049728 3112580 3145344 3210240 3423838 3604040 3696640 3735096 3812160 3931680 4066304 4193792 4280320 4324848 4435968 4668870 4980128 5082880 5135757 5242240 5406060 5544960 5766464 5913902 6099456 6225160 6290688 6420480 6847676 7208080 7393280 7470192 7624320 7863360 8132608 8387584 8559595 8649696 8870853 9337740 9960256 10165760 10271514 10484480 10812120 11089920 11532928 11827804 12198912 12450320 12581376 12840960 13695352 14416160 14784755 14940384 15248640 15726720 16265216 16775168 17119190 17299392 17741706 18675480 19920512 20331520 20543028 20968960 21624240 22179840 23065856 23655608 24397824 24900640 25162752 25678785 27390704 28832320 29569510 29880768 30497280 31453440 32526461 33550336 34238380 34598784 35483412 37350960 39841024 40663040 41086056 41937920 43248480 44354265 46131712 47311216 48795648 49801280 50325504 51357570 54781408 57664640 59139020 59761536 60994560 62906880 65052922 68476760 69197568 70966824 74701920 79682048 81326080 82172112 83875840 86496960 88708530 92263424 94622432 97579383 99602560 100651008 102715140 109562816 115329280 118278040 119523072 121989120 125813760 130105844 136953520 138395136 141933648 149403840 159364096 162632305 164344224 167751680 172993920 177417060 184526848 189244864 195158766 199205120 205430280 219125632 230658560 236556080 239046144 243978240 251627520 260211688 273907040 276790272 283867296 298807680 318728192 325264610 328688448 345987840 354834120 369053696 378489728 390317532 398410240 410860560 438251264 461317120 473112160 478092288 487896915 503255040 520423376 547814080 553580544 567734592 597615360 637456384 650529220 657376896 691975680 709668240 756979456 780635064 796820480 821721120 876502528 922634240 946224320 956184576 975793830 1040846752 1095628160 1107161088 1135469184 1195230720 1301058440 1314753792 1383951360 1419336480 1513958912 1561270128 1593640960 1643442240 1753005056 1845268480 1892448640 1912369152 1951587660 2081693504 2191256320 2270938368 2390461440 2602116880 2629507584 2767902720 2838672960 3027917824 3122540256 3187281920 3286884480 3506010112 3784897280 3903175320 4163387008 4382512640 4541876736 4780922880 5204233760 5259015168 5535805440 5677345920 6055835648 6245080512 6573768960 7012020224 7569794560 7806350640 8326774016 8765025280 9083753472 9561845760 10408467520 10518030336 11354691840 12111671296 12490161024 13147537920 15139589120 15612701280 16653548032 17530050560 18167506944 20816935040 21036060672 22709383680 24980322048 26295075840 30279178240 31225402560 33307096064 35060101120 36335013888 41633870080 45418767360 49960644096 52590151680 60558356480 62450805120 66614192128 83267740160 90837534720 99921288192 105180303360 124901610240 133228384256 166535480320 181675069440 199842576384 249803220480 333070960640 399685152768 499606440960 666141921280 999212881920 1998425763840
• Sum of all divisors σ(n): 7362822537216
• Sum of proper divisors (its aliquot sum) s(n): 5364396773376
• 1998425763840 is an abundant number, because the sum of its proper divisors (5364396773376) is greater than itself. Its abundance is 3365971009536

Bases of 1998425763840

• Binary: 11101000101001011011101010011000000000000₂
• Hexadecimal: 0x1D14B753000
• Base-36: PI2B3O5C

Squares and roots of 1998425763840

• 1998425763840 squared (1998425763840²) is 3993705533579487451545600
• 1998425763840 cubed (1998425763840³) is 7981124031495621979710710668591104000
• The square root of 1998425763840 is 1413656.8762751447
• The cube root of 1998425763840 is 12595.9039424543

Scales and comparisons

• 1,998,425,763,840 seconds is equal to 63,543 years, 39 weeks, 2 days, 19 hours, 44 minutes.
• To count from 1 to 1,998,425,763,840 would take you about one hundred fifty-eight thousand, eight hundred fifty-nine 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 1998425763840 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998425763840

• 1998425763840 backwards is 0483675248991
• 1998425763840 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1998425763840's digits is 66
• More coming soon!