138987446644550

Names of 138987446644550

• Cardinal: 138987446644550 can be written as One hundred thirty-eight trillion, nine hundred eighty-seven billion, four hundred forty-six million, six hundred forty-four thousand, five hundred fifty.

Scientific notation

• Scientific notation: 1.3898744664455 × 10¹⁴

Factors of 138987446644550

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 295

Divisors of 138987446644550

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 5 7 10 14 25 29 35 49 50 58 70 71 98 142 145 175 181 203 245 290 350 355 362 406 490 497 710 725 841 905 994 1015 1225 1267 1421 1450 1682 1775 1810 2030 2059 2450 2485 2534 2842 3479 3550 4118 4205 4525 4970 5075 5249 5887 6335 6958 7105 8410 8869 9050 10150 10295 10498 11774 12425 12670 12851 14210 14413 17395 17738 20590 21025 24389 24850 25702 26245 28826 29435 31675 32761 34790 35525 36743 41209 42050 44345 48778 51475 52490 58870 59711 63350 64255 65522 71050 72065 73486 82418 86975 88690 89957 100891 102950 119422 121945 128510 131225 144130 147175 152221 163805 170723 173950 179914 183715 201782 206045 221725 229327 243890 257201 262450 294350 298555 304442 321275 327610 341446 360325 367430 372679 412090 417977 443450 449785 458654 504455 514402 597110 609725 629699 642550 720650 745358 761105 819025 835954 853615 899570 918575 950069 1008910 1030225 1065547 1146635 1195061 1219450 1259398 1286005 1492775 1522210 1605289 1638050 1707230 1731619 1837150 1863395 1900138 2060450 2089885 2131094 2248925 2293270 2326031 2390122 2522275 2572010 2608753 2925839 2985550 3148495 3210578 3463238 3726790 3805525 4179770 4268075 4414409 4497850 4652062 4750345 5044550 5217506 5327735 5733175 5851678 5975305 6296990 6430025 6650483 7458829 7611050 8026445 8536150 8658095 8828818 9316975 9500690 10449425 10655470 10807691 11466350 11630155 11950610 12121333 12860050 13043765 13300966 14629195 14917658 15742475 16052890 16282217 17316190 18261271 18633950 20898850 21615382 22072045 23260310 23751725 24242666 26087530 26638675 27552001 29258390 29876525 30900863 31484950 32564434 33252415 36522542 37294145 40132225 43290475 44144090 46553381 47503450 53277350 54038455 55104002 58150775 59753050 60606665 61801726 65218825 66504830 67454899 73145975 74588290 75653837 80264450 81411085 84849331 86580950 91306355 93106762 108076910 110360225 113975519 116301550 121213330 130437650 134909798 137760005 146291950 151307674 154504315 162822170 166262075 169698662 182612710 186470725 192864007 216306041 220720450 227951038 232766905 270192275 275520010 303033325 309008630 313423039 332524150 337274495 372941450 378269185 385728014 407055425 424246655 432612082 456531775 465533810 472184293 529576859 540384550 569877595 606066650 626846078 674548990 688800025 756538370 772521575 799008029 814110850 848493310 913063550 944368586 964320035 1059153718 1081530205 1139755190 1163834525 1350048049 1377600050 1545043150 1567115195 1598016058 1686372475 1891345925 1928640070 1956192071 2121233275 2163060410 2193961273 2327669050 2360921465 2647884295 2700096098 2849387975 3134230390 3305290051 3372744950 3782691850 3912384142 3995040145 4242466550 4387922546 4721842930 4821600175 5295768590 5407651025 5593056203 5698775950 6610580102 6750240245 7835575975 7990080290 9643200350 9780960355 10815302050 10969806365 11186112406 11804607325 13239421475 13500480490 13693344497 15357728911 15671151950 16526450255 19561920710 19975200725 21939612730 23609214650 26478842950 27386688994 27965281015 30715457822 33052900510 33751201225 39151393421 39950401450 48904801775 54849031825 55930562030 56729570059 67502402450 68466722485 76788644555 78302786842 82632251275 95853411479 97809603550 109698063650 113459140118 136933444970 139826405075 153577289110 165264502550 191706822958 195756967105 279652810150 283647850295 342333612425 383943222775 391513934210 397106990413 479267057395 567295700590 684667224850 767886445550 794213980826 958534114790 978784835525 1418239251475 1957569671050 1985534952065 2396335286975 2779748932891 2836478502950 3971069904130 4792670573950 5559497865782 9927674760325 13898744664455 19855349520650 27797489328910 69493723322275 138987446644550
• Sum of all divisors σ(n): 317604606780960
• Sum of proper divisors (its aliquot sum) s(n): 178617160136410
• 138987446644550 is an abundant number, because the sum of its proper divisors (178617160136410) is greater than itself. Its abundance is 39629713491860

Bases of 138987446644550

• Binary: 11111100110100010001001011000101010111101000110₂
• Hexadecimal: 0x7E688962AF46
• Base-36: 1D9LY96KP2

Squares and roots of 138987446644550

• 138987446644550 squared (138987446644550²) is 19317510324771633054044702500
• 138987446644550 cubed (138987446644550³) is 2684891435569741091262409255289327996375000
• The square root of 138987446644550 is 11789293.7296748189
• The cube root of 138987446644550 is 51799.4552106693

Scales and comparisons

• 138,987,446,644,550 seconds is equal to 4,419,370 years, 46 weeks, 19 hours, 55 minutes, 50 seconds.
• To count from 1 to 138,987,446,644,550 would take you about eleven million, forty-eight thousand, four hundred twenty-seven 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 138987446644550 cubic inches would be around 4316.6 feet tall.

Recreational maths with 138987446644550

• 138987446644550 backwards is 055446644789831
• The number of decimal digits it has is: 15
• The sum of 138987446644550's digits is 74
• More coming soon!