1998186616400

Names of 1998186616400

• Cardinal: 1998186616400 can be written as One trillion, nine hundred ninety-eight billion, one hundred eighty-six million, six hundred sixteen thousand, four hundred.

Scientific notation

• Scientific notation: 1.9981866164 × 10¹²

Factors of 1998186616400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 888

Divisors of 1998186616400

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 25 26 34 40 50 52 65 68 80 85 100 104 130 136 170 200 208 221 257 260 272 281 313 325 340 400 425 442 514 520 562 626 650 680 850 884 1028 1040 1105 1124 1252 1285 1300 1360 1405 1565 1700 1768 2056 2210 2248 2504 2570 2600 2810 3130 3341 3400 3536 3653 4069 4112 4369 4420 4496 4777 5008 5140 5200 5321 5525 5620 6260 6425 6682 6800 7025 7306 7825 8138 8738 8840 9554 10280 10642 11050 11240 12520 12850 13364 14050 14612 15650 16276 16705 17476 17680 18265 19108 20345 20560 21284 21845 22100 22480 23885 25040 25700 26605 26728 28100 29224 31300 32552 33410 34952 36530 38216 40690 42568 43690 44200 47770 51400 53210 53456 56200 56797 58448 62101 62600 65104 66820 69173 69904 72217 73060 76432 80441 81380 83525 85136 87380 87953 88400 91325 95540 101725 102800 106420 109225 112400 113594 119425 124202 125200 133025 133640 138346 144434 146120 160882 162760 167050 174760 175906 182650 191080 203450 212840 218450 227188 238850 248404 266050 267280 276692 283985 288868 292240 310505 321764 325520 334100 345865 349520 351812 361085 365300 382160 402205 406900 425680 436900 439765 454376 477700 496808 532100 553384 567970 577736 621010 643528 668200 691730 703624 722170 730600 804410 813800 873800 879530 908752 938821 955400 993616 1045733 1064200 1106768 1135940 1143389 1155472 1227689 1242020 1287056 1336400 1367497 1383460 1407248 1419925 1444340 1461200 1495201 1552525 1608820 1627600 1729325 1747600 1759060 1805425 1877642 1910800 2011025 2091466 2128400 2198825 2271880 2286778 2455378 2484040 2734994 2766920 2839850 2888680 2990402 3105050 3217640 3458650 3518120 3610850 3755284 4022050 4182932 4397650 4543760 4573556 4694105 4910756 4968080 5228665 5469988 5533840 5679700 5716945 5777360 5980804 6138445 6210100 6435280 6837485 6917300 7036240 7221700 7476005 7510568 8044100 8365864 8795300 9147112 9388210 9821512 10457330 10939976 11359400 11433890 11961608 12276890 12420200 13674970 13834600 14443400 14952010 15021136 15959957 16088200 16731728 17590600 17777461 18294224 18776420 19437613 19643024 20914660 21879952 22603921 22718800 22867780 23470525 23923216 24553780 24840400 26143325 27349940 27669200 28584725 28886800 29904020 30692225 31919914 32176400 34187425 35181200 35554922 37380025 37552840 38875226 41829320 45207842 45735560 46941050 49107560 52286650 54699880 57169450 59808040 61384450 63839828 68374850 71109844 74760050 75105680 77750452 79799785 83658640 88887305 90415684 91471120 93882100 97188065 98215120 104573300 109399760 113019605 114338900 119616080 122768900 127679656 136749700 142219688 149520100 155500904 159599570 177774610 180831368 187764200 194376130 209146600 226039210 228677800 245537800 255359312 273499400 284439376 293850973 299040200 311001808 319199140 355549220 361662736 375528400 384266657 388752260 398998925 418293200 444436525 452078420 457355600 485940325 491075600 546998800 565098025 587701946 598080400 638398280 711098440 768533314 777504520 797997850 888873050 904156840 971880650 1130196050 1175403892 1276796560 1422196880 1469254865 1537066628 1555009040 1595995700 1777746100 1808313680 1921333285 1943761300 2260392100 2350807784 2938509730 3074133256 3191991400 3555492200 3842666570 3887522600 4520784200 4701615568 4995466541 5877019460 6148266512 6383982800 7110984400 7346274325 7685333140 7775045200 9041568400 9606666425 9990933082 11754038920 14692548650 15370666280 19213332850 19981866164 23508077840 24977332705 29385097300 30741332560 38426665700 39963732328 49954665410 58770194600 76853331400 79927464656 99909330820 117540389200 124886663525 153706662800 199818661640 249773327050 399637323280 499546654100 999093308200 1998186616400
• Sum of all divisors σ(n): 5532512334048
• Sum of proper divisors (its aliquot sum) s(n): 3534325717648
• 1998186616400 is an abundant number, because the sum of its proper divisors (3534325717648) is greater than itself. Its abundance is 1536139101248

Bases of 1998186616400

• Binary: 11101000100111101001101000001011001010000₂
• Hexadecimal: 0x1D13D341650
• Base-36: PHYCPWSW

Squares and roots of 1998186616400

• 1998186616400 squared (1998186616400²) is 3992749753960080748960000
• 1998186616400 cubed (1998186616400³) is 7978259120997426252435160218944000000
• The square root of 1998186616400 is 1413572.2890605913
• The cube root of 1998186616400 is 12595.4014805661

Scales and comparisons

• 1,998,186,616,400 seconds is equal to 63,536 years, 7 weeks, 6 days, 21 hours, 53 minutes, 20 seconds.
• To count from 1 to 1,998,186,616,400 would take you about one hundred fifty-eight thousand, eight hundred forty 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 1998186616400 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1998186616400

• 1998186616400 backwards is 0046166818991
• The number of decimal digits it has is: 13
• The sum of 1998186616400's digits is 59
• More coming soon!