161868913387200

Names of 161868913387200

• Cardinal: 161868913387200 can be written as One hundred sixty-one trillion, eight hundred sixty-eight billion, nine hundred thirteen million, three hundred eighty-seven thousand, two hundred.

Scientific notation

• Scientific notation: 1.618689133872 × 10¹⁴

Factors of 161868913387200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 268

Divisors of 161868913387200

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 31 32 36 40 45 48 50 60 62 64 72 75 80 90 93 96 100 120 124 144 150 155 160 180 186 192 200 225 227 240 248 279 288 300 310 320 360 372 400 450 454 465 480 496 558 576 600 620 681 720 744 775 800 900 908 930 960 961 992 1116 1135 1200 1240 1362 1395 1440 1488 1550 1600 1800 1816 1860 1922 1984 2043 2232 2270 2325 2400 2480 2724 2790 2880 2883 2976 3100 3405 3600 3632 3720 3844 4086 4464 4540 4650 4800 4805 4960 5448 5580 5675 5766 5952 6200 6810 6975 7037 7200 7264 7440 7688 8172 8649 8928 9080 9300 9610 9920 10215 10896 11160 11350 11532 12400 13620 13950 14074 14400 14415 14528 14880 15376 16344 17025 17298 17856 18160 18600 19220 20430 21111 21792 22320 22700 23064 24025 24800 27240 27900 28148 28830 29760 30752 32688 34050 34596 35185 36320 37200 38440 40860 42222 43245 43584 44640 45400 46128 48050 49600 51075 51529 54480 55800 56296 57660 61504 63333 65376 68100 69192 70370 72075 72640 74400 76880 81720 84444 86490 89280 90800 92256 96100 102150 103058 105555 108960 111600 112592 115320 126666 130752 136200 138384 140740 144150 148800 153760 154587 163440 168888 172980 175925 181600 184512 192200 204300 206116 211110 216225 217920 218147 223200 225184 230640 253332 257645 272400 276768 281480 288300 307520 309174 316665 326880 337776 345960 351850 363200 384400 408600 412232 422220 432450 436294 446400 450368 461280 463761 506664 515290 527775 544800 553536 562960 576600 618348 633330 653760 654441 675552 691920 703700 768800 772935 817200 824464 844440 864900 872588 922560 927522 1013328 1030580 1055550 1089600 1090735 1125920 1153200 1236696 1266660 1288225 1308882 1351104 1383840 1407400 1537600 1545870 1583325 1597399 1634400 1648928 1688880 1729800 1745176 1855044 1963323 2026656 2061160 2111100 2181470 2251840 2306400 2318805 2473392 2533320 2576450 2617764 2767680 2814800 3091740 3166650 3194798 3268800 3272205 3297856 3377760 3459600 3490352 3710088 3864675 3926646 4053312 4122320 4222200 4362940 4612800 4637610 4792197 4946784 5066640 5152900 5235528 5453675 5629600 6183480 6333300 6389596 6544410 6755520 6919200 6980704 7420176 7729350 7853292 7986995 8244640 8444400 8725880 9275220 9584394 9816615 9893568 10133280 10305800 10471056 10907350 11259200 11594025 11697083 12366960 12666600 12779192 13088820 13838400 13961408 14376591 14840352 15458700 15706584 15973990 16361025 16489280 16888800 17451760 18550440 19168788 19633230 20266560 20611600 20942112 21814700 23188050 23394166 23960985 24733920 25333200 25558384 26177640 28753182 29680704 30917400 31413168 31947980 32722050 33777600 34903520 35091249 37100880 38337576 39266460 39934975 41223200 41884224 43629400 46376100 46788332 47921970 49083075 49467840 49519369 50666400 51116768 52355280 57506364 58485415 61834800 62826336 63895960 65444100 69807040 70182498 71882955 74201760 76675152 78532920 79869950 82446400 87258800 92752200 93576664 95843940 98166150 99038738 101332800 102233536 104710560 105273747 115012728 116970830 119804925 123669600 125652672 127791920 130888200 140364996 143765910 148403520 148558107 153350304 157065840 159739900 174517600 175456245 185504400 187153328 191687880 196332300 198077476 209421120 210547494 230025456 233941660 239609850 247339200 247596845 255583840 261776400 280729992 287531820 292427075 297116214 306700608 314131680 319479800 349035200 350912490 359414775 362609573 371008800 374306656 383375760 392664600 396154952 421094988 445674321 460050912 467883320 479219700 495193690 511167680 523552800 526368735 561459984 575063640 584854150 594232428 628263360 638959600 701824980 718829550 725219146 742017600 742790535 748613312 766751520 785329200 792309904 842189976 877281225 891348642 920101824 935766640 958439400 990387380 1047105600 1052737470 1087828719 1122919968 1150127280 1169708300 1188464856 1237984225 1277919200 1403649960 1437659100 1450438292 1485581070 1533503040 1570658400 1584619808 1684379952 1754562450 1782697284 1813047865 1871533280 1916878800 1980774760 2105474940 2175657438 2228371605 2245839936 2300254560 2339416600 2376929712 2475968450 2555838400 2631843675 2807299920 2875318200 2900876584 2971162140 3141316800 3169239616 3263486157 3368759904 3509124900 3565394568 3626095730 3713952675 3743066560 3833757600 3961549520 4210949880 4351314876 4456743210 4600509120 4678833200 4753859424 4951936900 5263687350 5439143595 5614599840 5750636400 5801753168 5942324280 6526972314 6737519808 7018249800 7130789136 7252191460 7427905350 7667515200 7923099040 8421899760 8702629752 8913486420 9065239325 9357666400 9507718848 9903873800 10527374700 10878287190 11141858025 11229199680 11240896763 11501272800 11603506336 11884648560 13053944628 14036499600 14261578272 14504382920 14855810700 15846198080 16317430785 16843799520 17405259504 17826972840 18130478650 18715332800 19807747600 21054749400 21756574380 22283716050 22481793526 23002545600 23207012672 23769297120 26107889256 27195717975 28072999200 28523156544 29008765840 29711621400 32634861570 33687599040 33722690289 34810519008 35653945680 36260957300 39615495200 42109498800 43513148760 44567432100 44963587052 47538594240 52215778512 54391435950 56145998400 56204483815 58017531680 59423242800 65269723140 67445380578 69621038016 71307891360 72521914600 79230990400 81587153925 84218997600 87026297520 89134864200 89927174104 101168070867 104431557024 108782871900 112408967630 116035063360 118846485600 130539446280 134890761156 142615782720 145043829200 163174307850 168437995200 168613451445 174052595040 178269728400 179854348208 202336141734 208863114048 217565743800 224817935260 237692971200 261078892560 269781522312 281022419075 290087658400 326348615700 337226902890 348105190080 356539456800 359708696416 404672283468 435131487600 449635870520 505840354335 522157785120 539563044624 562044838150 580175316800 652697231400 674453805780 713078913600 719417392832 809344566936 843067257225 870262975200 899271741040 1011680708670 1044315570240 1079126089248 1124089676300 1305394462800 1348907611560 1618689133872 1686134514450 1740525950400 1798543482080 2023361417340 2158252178496 2248179352600 2529201771675 2610788925600 2697815223120 3237378267744 3372269028900 3597086964160 4046722834680 4496358705200 5058403543350 5221577851200 5395630446240 6474756535488 6744538057800 8093445669360 8992717410400 10116807086700 10791260892480 13489076115600 16186891338720 17985434820800 20233614173400 26978152231200 32373782677440 40467228346800 53956304462400 80934456693600 161868913387200
• Sum of all divisors σ(n): 597108158379720
• Sum of proper divisors (its aliquot sum) s(n): 435239244992520
• 161868913387200 is an abundant number, because the sum of its proper divisors (435239244992520) is greater than itself. Its abundance is 273370331605320

Bases of 161868913387200

• Binary: 100100110011100000001011000101010010011011000000₂
• Hexadecimal: 0x93380B1526C0
• Base-36: 1LDLJVP680

Squares and roots of 161868913387200

• 161868913387200 squared (161868913387200²) is 26201545121152855377123840000
• 161868913387200 cubed (161868913387200³) is 4241215637826704277651626649208270848000000
• The square root of 161868913387200 is 12722771.4507178035
• The cube root of 161868913387200 is 54498.9101021781

Scales and comparisons

• 161,868,913,387,200 seconds is equal to 5,146,930 years, 39 weeks, 20 hours.
• To count from 1 to 161,868,913,387,200 would take you about twelve million, eight hundred sixty-seven thousand, three hundred twenty-six 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 161868913387200 cubic inches would be around 4541.6 feet tall.

Recreational maths with 161868913387200

• 161868913387200 backwards is 002783319868161
• The number of decimal digits it has is: 15
• The sum of 161868913387200's digits is 63
• More coming soon!