13681128793420

Names of 13681128793420

• Cardinal: 13681128793420 can be written as Thirteen trillion, six hundred eighty-one billion, one hundred twenty-eight million, seven hundred ninety-three thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.368112879342 × 10¹³

Factors of 13681128793420

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2207

Divisors of 13681128793420

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 10 11 19 20 22 37 38 44 55 74 76 95 103 110 148 185 190 206 209 220 370 380 407 412 418 515 601 703 740 814 836 1030 1045 1133 1202 1406 1429 1628 1957 2035 2060 2090 2266 2404 2812 2858 3005 3515 3811 3914 4070 4180 4532 5665 5716 6010 6611 7030 7145 7622 7733 7828 8140 9785 11330 11419 12020 13222 14060 14290 15244 15466 15719 19055 19570 21527 22237 22660 22838 26444 27151 28580 30932 31438 33055 38110 38665 39140 41921 43054 44474 45676 52873 54302 57095 61903 62876 66110 72409 76220 77330 78595 83842 86108 88948 105746 107635 108604 111185 114190 123806 125609 132220 135755 144818 147187 154660 157190 167684 209605 211492 215270 222370 228380 244607 247612 251218 264365 271510 289636 294374 298661 309515 314380 362045 419210 422503 430540 444740 489214 502436 528730 543020 581603 588748 597322 619030 628045 680933 724090 735935 796499 838420 845006 858829 978428 1004587 1057460 1163206 1176157 1194644 1223035 1238060 1256090 1361866 1448180 1471870 1493305 1592998 1619057 1690012 1717658 2009174 2112515 2290411 2326412 2352314 2446070 2512180 2723732 2796553 2908015 2943740 2986610 3185996 3238114 3404665 3435316 3982495 4018348 4225030 4294145 4580822 4647533 4704628 4892140 5022935 5445919 5593106 5816030 5880785 5973220 6476228 6809330 7964990 8095285 8450060 8588290 9161644 9295066 9447119 10045870 10891838 11050457 11186212 11452055 11632060 11761570 12937727 13618660 13982765 15929980 16190570 16317751 17176580 18590132 18894238 20091740 21783676 22100914 22904110 23237665 23523140 25194521 25875454 27229595 27965530 30762083 31776673 32381140 32635502 37788476 43517809 44201828 45808220 46475330 47235595 50389042 51750908 54459190 55252285 55931060 59905109 61524166 63553346 64688635 65271004 81588755 87035618 88459387 92950660 94471190 100778084 103472461 108918380 110504570 119810218 123048332 125972605 127106692 129377270 153810415 158883365 163177510 174071236 176918774 179495261 188942380 206944922 217589045 221009140 239620436 251945210 258754540 299525545 307620830 317766730 326355020 349543403 353837548 358990522 413889844 435178090 442296935 478695899 503890420 517362305 599051090 603756787 615241660 635533460 699086806 717981044 870356180 884593870 897476305 957391798 973053257 1034724610 1138197071 1198102180 1207513574 1398173612 1680728353 1747717015 1769187740 1794952610 1914783596 1946106514 2069449220 2276394142 2393479495 2415027148 3018783935 3272997319 3361456706 3495434030 3589905220 3892213028 4552788284 4786958990 4865266285 5690985355 6037567870 6545994638 6641324657 6722913412 6990868060 8403641765 9573917980 9730532570 11381970710 12075135740 13091989276 13282649314 16364986595 16807283530 18488011883 19461065140 22763941420 26565298628 32729973190 33206623285 33614567060 36002970509 36976023766 62186949061 65459946380 66413246570 72005941018 73952047532 92440059415 124373898122 132826493140 144011882036 180014852545 184880118830 248747796244 310934745305 360029705090 369760237660 621869490610 684056439671 720059410180 1243738981220 1368112879342 2736225758684 3420282198355 6840564396710 13681128793420
• Sum of all divisors σ(n): 34293356697600
• Sum of proper divisors (its aliquot sum) s(n): 20612227904180
• 13681128793420 is an abundant number, because the sum of its proper divisors (20612227904180) is greater than itself. Its abundance is 6931099110760

Bases of 13681128793420

• Binary: 11000111000101100010110100100110010101001100₂
• Hexadecimal: 0xC7162D2654C
• Base-36: 4UL0UUI4S

Squares and roots of 13681128793420

• 13681128793420 squared (13681128793420²) is 187173285062145785035296400
• 13681128793420 cubed (13681128793420³) is 2560741819622732273736083329044069688000
• The square root of 13681128793420 is 3698800.9940276591
• The cube root of 13681128793420 is 23917.0334235617

Scales and comparisons

• 13,681,128,793,420 seconds is equal to 435,017 years, 30 weeks, 1 hour, 43 minutes, 40 seconds.
• To count from 1 to 13,681,128,793,420 would take you about one million, eighty-seven thousand, five 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 13681128793420 cubic inches would be around 1993.1 feet tall.

Recreational maths with 13681128793420

• 13681128793420 backwards is 02439782118631
• 13681128793420 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 13681128793420's digits is 55
• More coming soon!