1638485849407340

Names of 1638485849407340

• Cardinal: 1638485849407340 can be written as One quadrillion, six hundred thirty-eight trillion, four hundred eighty-five billion, eight hundred forty-nine million, four hundred seven thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.63848584940734 × 10¹⁵

Factors of 1638485849407340

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 202

Divisors of 1638485849407340

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 10 20 41 47 82 94 107 164 188 205 214 235 410 428 470 535 820 940 1070 1681 1927 2140 2209 3362 3854 4387 4418 5029 6724 7708 8405 8774 8836 9635 10058 11045 11449 16810 17548 19270 20116 21935 22090 22898 25145 33620 38540 43870 44180 45796 50290 57245 68921 79007 87740 90569 100580 103823 114490 137842 158014 179867 181138 206189 207646 228980 236363 275684 316028 344605 359734 362276 395035 412378 415292 452845 469409 472726 519115 538103 689210 719468 790070 824756 899335 905690 938818 945452 1030945 1038230 1076206 1181815 1378420 1580140 1798670 1811380 1877636 2061890 2076460 2152412 2347045 2363630 2690515 3239287 3597340 3713329 4123780 4256743 4694090 4727260 5381030 6478574 7374547 7426658 8453749 8513486 9388180 9690883 10762060 11109061 12957148 14749094 14853316 16196435 16907498 17026972 18566645 19245769 19381766 21283715 22062223 22218122 25290841 29498188 32392870 33814996 36872735 37133290 38491538 38763532 42268745 42567430 44124446 44436244 48454415 50581682 55545305 64785740 73745470 74266580 76983076 84537490 85134860 88248892 96228845 96908830 101163364 110311115 111090610 126454205 147490940 152246489 169074980 174526463 192457690 193817660 220622230 222181220 252908410 304492978 346603709 349052926 384915380 397326203 441244460 455471501 505816820 608985956 693207418 698105852 761232445 789076529 794652406 872632315 904551143 910943002 1036924481 1188669527 1386414836 1522464890 1578153058 1589304812 1733018545 1745264630 1809102286 1821886004 1986631015 2073848962 2277357505 2377339054 3044929780 3156306116 3466037090 3490529260 3618204572 3945382645 3973262030 4147697924 4522755715 4554715010 4754678108 5184622405 5943347635 6932074180 7155584983 7890765290 7946524060 9045511430 9109430020 10369244810 11886695270 14311169966 15781530580 16290374323 18091022860 18674331541 20738489620 23773390540 28622339932 32580748646 35777924915 37086596863 37348663082 42513903721 48735450607 65161497292 71555849830 74173193726 74697326164 81451871615 85027807442 93371657705 97470901214 143111699660 148346387452 162903743230 170055614884 185432984315 186743315410 194941802428 212569518605 243677253035 325807486460 370865968630 373486630820 425139037210 487354506070 741731937260 765647593181 850278074420 974709012140 1531295186362 1743070052561 1998153474887 3062590372724 3486140105122 3828237965905 3996306949774 6972280210244 7656475931810 7992613899548 8715350262805 9990767374435 15312951863620 17430700525610 19981534748870 34861401051220 39963069497740 81924292470367 163848584940734 327697169881468 409621462351835 819242924703670 1638485849407340
• Sum of all divisors σ(n): 3637501629914880
• Sum of proper divisors (its aliquot sum) s(n): 1999015780507540
• 1638485849407340 is an abundant number, because the sum of its proper divisors (1999015780507540) is greater than itself. Its abundance is 360529931100200

Bases of 1638485849407340

• Binary: 101110100100011000110110111000001011111111101101100₂
• Hexadecimal: 0x5D231B705FF6C
• Base-36: G4SM0AAAUK

Squares and roots of 1638485849407340

• 1638485849407340 squared (1638485849407340²) is 2684635878708092452629245875600
• 1638485849407340 cubed (1638485849407340³) is 4398737898074449464249676590366211399366904000
• The square root of 1638485849407340 is 40478214.5036974181
• The cube root of 1638485849407340 is 117891.0669825139

Scales and comparisons

• 1,638,485,849,407,340 seconds is equal to 52,098,781 years, 43 weeks, 5 days, 8 hours, 42 minutes, 20 seconds.
• To count from 1 to 1,638,485,849,407,340 would take you about one hundred fifty-six million, two hundred ninety-six thousand, three hundred forty-five 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 1638485849407340 cubic inches would be around 9824.3 feet tall.

Recreational maths with 1638485849407340

• 1638485849407340 backwards is 0437049485848361
• The number of decimal digits it has is: 16
• The sum of 1638485849407340's digits is 74
• More coming soon!