138521943918115275

Names of 138521943918115275

• Cardinal: 138521943918115275 can be written as One hundred thirty-eight quadrillion, five hundred twenty-one trillion, nine hundred forty-three billion, nine hundred eighteen million, one hundred fifteen thousand, two hundred seventy-five.

Scientific notation

• Scientific notation: 1.38521943918115275 × 10¹⁷

Factors of 138521943918115275

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 780783

Divisors of 138521943918115275

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 15 17 19 21 25 35 49 51 57 75 85 95 105 119 133 147 175 245 255 285 323 357 399 425 475 525 595 665 735 833 931 969 1225 1275 1425 1615 1785 1995 2261 2499 2793 2975 3325 3675 4165 4655 4845 6783 8075 8925 9975 11305 12495 13965 15827 20825 23275 24225 33915 47481 56525 62475 69825 79135 169575 201451 237405 395675 579281 604353 1007255 1187025 1410157 1737843 2896405 3021765 3424667 3827569 4054967 4230471 5036275 7050785 8689215 9847777 9871099 10274001 11006339 11482707 12164901 14482025 15108825 17123335 19137845 20274835 21152355 23972669 26792983 28384769 29543331 29613297 33019017 35253925 43446075 49238885 49355495 51370005 55031695 57413535 60824505 65068673 68934439 71918007 77044373 80378949 85154307 85616675 95689225 101374175 105761775 119863345 133964915 141923845 147716655 148066485 165095085 167808683 187107763 187550881 195206019 206803317 231133119 246194425 246777475 256850025 275158475 287067675 304122525 325343365 344672195 359590035 385221865 401894745 425771535 455480711 482541073 503426049 539310611 561323289 562652643 599316725 669824575 709619225 738583275 740332425 825475425 839043415 935538815 937754405 976030095 1034016585 1155665595 1309754341 1366442133 1447623219 1617931833 1626716825 1723360975 1797950175 1926109325 2009473725 2128857675 2277403555 2412705365 2517130245 2696553055 2806616445 2813263215 3188364977 3929263023 4195217075 4677694075 4688772025 4880150475 5170082925 5778327975 6548771705 6832210665 7238116095 8089659165 9168280387 9565094931 11387017775 12063526825 12585651225 13482765275 14033082225 14066316075 15941824885 19646315115 27504841161 32743858525 34161053325 36190580475 40448295825 45841401935 47825474655 79709124425 98231575575 116696736731 137524205805 229207009675 239127373275 350090210193 583483683655 687621029025 816877157117 1750451050965 1983844524427 2217237997889 2450631471351 2917418418275 4084385785585 5718140099819 5951533573281 6651713993667 8752255254825 9919222622135 11086189989445 12253157356755 13886911670989 15520665985223 17154420299457 20421928927925 28590700499095 29757667866405 33258569968335 37693045964113 41660735012967 46561997955669 49596113110675 55430949947225 61265786783775 69434558354945 77603329926115 85772101497285 97208381696923 108644661896561 113079137892339 142953502495475 148788339332025 166292849841675 188465229820565 208303675064835 232809989778345 263851321748791 291625145090769 325933985689683 347172791774725 388016649630575 428860507486425 486041908484615 543223309482805 565395689461695 791553965246373 942326149102825 1041518375324175 1164049948891725 1319256608743955 1458125725453845 1629669928448415 1846959252241537 2430209542423075 2716116547414025 2826978447308475 3957769826231865 5540877756724611 6596283043719775 7290628627269225 8148349642242075 9234796261207685 19788849131159325 27704388783623055 46173981306038425 138521943918115275
• Sum of all divisors σ(n): 296934499236798720
• Sum of proper divisors (its aliquot sum) s(n): 158412555318683445
• 138521943918115275 is an abundant number, because the sum of its proper divisors (158412555318683445) is greater than itself. Its abundance is 19890611400568170

Bases of 138521943918115275

• Binary: 111101100001000001111100101011100110101011111100111001011₂
• Hexadecimal: 0x1EC20F95CD5F9CB
• Base-36: 11VXXIJ28O23

Squares and roots of 138521943918115275

• 138521943918115275 squared (138521943918115275²) is 19188328946853473424894308188325625
• 138521943918115275 cubed (138521943918115275³) is 2658004626258384782946061278089705099948707986421875
• The square root of 138521943918115275 is 372185362.3103886591
• The cube root of 138521943918115275 is 517415.6087494755

Scales and comparisons

• 138,521,943,918,115,275 seconds is equal to 4,404,569,340 years, 4 weeks, 5 days, 1 minute, 15 seconds.
• To count from 1 to 138,521,943,918,115,275 would take you about thirteen billion, two hundred thirteen million, seven hundred eight thousand and twenty 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 138521943918115275 cubic inches would be around 43118 feet tall.

Recreational maths with 138521943918115275

• 138521943918115275 backwards is 572511819349125831
• 138521943918115275 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 138521943918115275's digits is 75
• More coming soon!