168537201994420

Names of 168537201994420

• Cardinal: 168537201994420 can be written as One hundred sixty-eight trillion, five hundred thirty-seven billion, two hundred one million, nine hundred ninety-four thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.6853720199442 × 10¹⁴

Factors of 168537201994420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 66

Divisors of 168537201994420

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 10 14 20 23 28 29 35 46 49 58 70 92 98 115 116 140 145 161 196 203 230 245 290 322 343 406 460 490 529 580 644 667 686 805 812 841 980 1015 1058 1127 1334 1372 1421 1610 1682 1715 2030 2116 2254 2401 2645 2668 2842 3220 3335 3364 3430 3703 4060 4205 4508 4669 4802 5290 5635 5684 5887 6670 6860 7105 7406 7889 8410 9338 9604 9947 10580 11270 11774 12005 12167 13340 14210 14812 15341 15778 16807 16820 18515 18676 19343 19894 22540 23345 23548 24010 24334 25921 28420 29435 30682 31556 32683 33614 37030 38686 39445 39788 41209 46690 48020 48668 49735 51842 55223 58870 60835 61364 65366 67228 69629 74060 76705 77372 78890 82418 84035 85169 93380 96715 99470 103684 107387 110446 117649 117740 121670 129605 130732 135401 139258 153410 157780 163415 164836 168070 170338 181447 193430 198940 206045 214774 220892 228781 235298 243340 259210 270802 276115 278516 288463 306820 326830 336140 340676 348145 352843 362894 386561 386860 412090 425845 429548 444889 457562 470596 487403 518420 536935 541604 552230 576926 588245 596183 653660 677005 696290 705686 725788 751709 773122 823543 824180 851690 889778 907235 915124 947807 974806 1073870 1104460 1143905 1153852 1176490 1192366 1270129 1354010 1392580 1411372 1442315 1503418 1546244 1601467 1647086 1703380 1764215 1779556 1814470 1895614 1932805 1949612 2019241 2147740 2224445 2287810 2352980 2384732 2437015 2469901 2540258 2705927 2708020 2884630 2980915 3006836 3114223 3202934 3294172 3411821 3528430 3628940 3758545 3791228 3865610 4038482 4117715 4173281 4448890 4575620 4739035 4874030 4939802 5080516 5261963 5411854 5769260 5961830 6228446 6350645 6405868 6634649 6823642 7056860 7517090 7731220 8007335 8076964 8235430 8346562 8890903 8897780 9478070 9748060 9879604 10096205 10232447 10523926 10823708 11210269 11923660 12349505 12456892 12701290 13269298 13529635 13647284 14134687 15034180 15571115 16014670 16470860 16693124 17059105 17289307 17781806 18941489 18956140 20192410 20464894 20866405 21047852 21799561 22420538 23882747 24699010 25402580 26309815 26538596 27059270 28269374 29212967 31142230 32029340 33173245 34118210 34578614 35563612 36833741 37882978 40384820 40929788 41732810 43599122 44454515 44841076 46442543 47765494 49398020 51162235 52619630 54118540 56051345 56538748 58425934 62236321 62284460 66346490 68236420 69157228 70673435 71627129 73667482 75765956 78471883 83465620 86446535 87198244 88909030 92885086 94707445 95530988 98942809 102324470 105239260 108997805 112102690 116851868 119413735 121025149 124472642 132692980 141346870 143254258 146064835 147334964 152596927 156943766 172893070 177818060 184168705 185770172 189414890 197885618 204490769 204648940 217995610 224205380 232212715 238827470 242050298 248945284 257836187 282693740 286508516 292129670 305193854 311181605 313887532 325097801 345786140 358135645 368337410 378829780 392359415 395771236 408981538 435654247 435991220 464425430 477654940 484100596 494714045 501389903 515672374 549303181 584259340 605125745 610387708 622363210 650195602 692599663 716271290 736674820 762984635 784718830 817963076 847176043 871308494 928850860 989428090 1002779806 1022453845 1031344748 1068178489 1098606362 1210251490 1244726420 1289180935 1300391204 1385199326 1431435383 1432542580 1525969270 1569437660 1625489005 1694352086 1742616988 1804853309 1978856180 2005559612 2044907690 2136356978 2178271235 2197212724 2275684607 2420502980 2506949515 2578361870 2746515905 2770398652 2862870766 3051938540 3250978010 3388704172 3462998315 3509729321 3609706618 4089815380 4235880215 4272713956 4356542470 4551369214 5013899030 5156723740 5340892445 5493031810 5725741532 5930232301 6501956020 6925996630 7019458642 7157176915 7219413236 7477249423 8471760430 8713084940 9024266545 9102738428 10020047681 10027798060 10681784890 10986063620 11378423035 11860464602 12633973163 13851993260 14038917284 14314353830 14954498846 15929792249 16943520860 17548646605 18048533090 20040095362 21363569780 22756846070 23720929204 24568105247 25267946326 28628707660 29651161505 29908997692 31859584498 35097293210 36097066180 37386247115 40080190724 41511626107 45513692140 49136210494 50100238405 50535892652 52340745961 59302323010 63169865815 63719168996 70194586420 74772494230 79648961245 83023252214 98272420988 100200476810 104681491922 118604646020 122840526235 126339731630 149544988460 159297922490 166046504428 171976736729 200400953620 207558130535 209362983844 245681052470 252679463260 261703729805 290581382749 318595844980 343953473458 366385221727 415116261070 491362104940 523407459610 581162765498 687906946916 732770443454 830232522140 859883683645 1046814919220 1162325530996 1203837157103 1452906913745 1465540886908 1719767367290 1831926108635 2407674314206 2905813827490 3439534734580 3663852217270 4815348628412 5811627654980 6019185785515 7327704434540 8426860099721 12038371571030 16853720199442 24076743142060 33707440398884 42134300498605 84268600997210 168537201994420
• Sum of all divisors σ(n): 447082376832000
• Sum of proper divisors (its aliquot sum) s(n): 278545174837580
• 168537201994420 is an abundant number, because the sum of its proper divisors (278545174837580) is greater than itself. Its abundance is 110007972843160

Bases of 168537201994420

• Binary: 100110010100100010100000000011100110101010110100₂
• Hexadecimal: 0x9948A00E6AB4
• Base-36: 1NQOX6KDDG

Squares and roots of 168537201994420

• 168537201994420 squared (168537201994420²) is 28404788456107928825711136400
• 168537201994420 cubed (168537201994420³) is 4787263569635831414715418346248884658888000
• The square root of 168537201994420 is 12982187.8739455931
• The cube root of 168537201994420 is 55237.2344258197

Scales and comparisons

• 168,537,201,994,420 seconds is equal to 5,358,961 years, 36 weeks, 4 days, 2 hours, 53 minutes, 40 seconds.
• To count from 1 to 168,537,201,994,420 would take you about thirteen million, three hundred ninety-seven thousand, four hundred four 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 168537201994420 cubic inches would be around 4603.1 feet tall.

Recreational maths with 168537201994420

• 168537201994420 backwards is 024499102735861
• The number of decimal digits it has is: 15
• The sum of 168537201994420's digits is 61
• More coming soon!