1643638274994771

Names of 1643638274994771

• Cardinal: 1643638274994771 can be written as One quadrillion, six hundred forty-three trillion, six hundred thirty-eight billion, two hundred seventy-four million, nine hundred ninety-four thousand, seven hundred seventy-one.

Scientific notation

• Scientific notation: 1.643638274994771 × 10¹⁵

Factors of 1643638274994771

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 300

Divisors of 1643638274994771

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 9 11 27 33 59 81 99 121 177 227 243 297 363 531 649 681 729 891 1089 1593 1947 2043 2187 2497 2673 3267 4779 5841 6129 6561 7139 7491 8019 9801 13393 14337 17523 18387 19683 21417 22473 24057 27467 29403 40179 43011 51529 52569 55161 64251 67419 72171 82401 88209 120537 129033 147323 154587 157707 165483 192753 202257 216513 247203 264627 361611 387099 441969 463761 473121 496449 566819 578259 606771 741609 793881 1084833 1161297 1325907 1391283 1419363 1489347 1620553 1700457 1734777 1820313 2224827 2381643 3040211 3254499 3977721 4173849 4258089 4468041 4861659 5101371 5204331 5460939 6235009 6674481 9120633 9763497 11697083 11933163 12521547 12774267 14584977 15304113 15612993 16382817 18705027 20023443 27361899 29290491 33442321 35091249 35799489 37564641 43754931 45912339 46838979 49148451 56115081 60070329 82085697 87871473 100326963 105273747 107398467 112693923 128667913 131264793 137737017 140516937 168345243 180210987 246257091 263614419 300980889 315821241 322195401 338081769 367865531 386003739 393794379 413211051 505035729 540632961 690127897 738771273 902942667 947463723 966586203 1014245307 1103596593 1158011217 1181383137 1239633153 1415347043 1515107187 2070383691 2216313819 2708828001 2842391169 2899758609 3310789779 3474033651 3544149411 3718899459 4246041129 4545321561 6211151073 6648941457 7591406867 8126484003 8527173507 9932369337 10422100953 10632448233 11156698377 12738123387 13635964683 18633453219 19946824371 22774220601 24379452009 25581520521 29797108011 31266302859 31897344699 38214370161 40907894049 55900359657 59840473113 68322661803 73138356027 76744561563 83505475537 89391324033 93798908577 114643110483 122723682147 167701078971 204967985409 219415068081 230233684689 250516426611 268173972099 281396725731 343929331449 503103236913 614903956227 658245204243 751549279833 804521916297 844190177193 1031787994347 1509309710739 1844711868681 2254647839499 2413565748891 2532570531579 3095363983041 4527929132217 5534135606043 6763943518497 7240697246673 9286091949123 13583787396651 16602406818129 20291830555491 27858275847369 49807220454387 60875491666473 149421661363161 182626474999419 547879424998257 1643638274994771
• Sum of all divisors σ(n): 2768044562236800
• Sum of proper divisors (its aliquot sum) s(n): 1124406287242029
• 1643638274994771 is a deficient number, because the sum of its proper divisors (1124406287242029) is less than itself. Its deficiency is 519231987752742

Bases of 1643638274994771

• Binary: 101110101101110000101011011100001010011001001010011₂
• Hexadecimal: 0x5D6E15B853253
• Base-36: G6MCZZG66R

Squares and roots of 1643638274994771

• 1643638274994771 squared (1643638274994771²) is 2701546779027786455920077342441
• 1643638274994771 cubed (1643638274994771³) is 4440365687698910719369303165618303444851376011
• The square root of 1643638274994771 is 40541808.9753623475
• The cube root of 1643638274994771 is 118014.5121238797

Scales and comparisons

• 1,643,638,274,994,771 seconds is equal to 52,262,613 years, 1 week, 6 days, 18 hours, 32 minutes, 51 seconds.
• To count from 1 to 1,643,638,274,994,771 would take you about one hundred fifty-six million, seven hundred eighty-seven thousand, eight hundred thirty-nine 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 1643638274994771 cubic inches would be around 9834.5 feet tall.

Recreational maths with 1643638274994771

• 1643638274994771 backwards is 1774994728363461
• 1643638274994771 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1643638274994771's digits is 81
• More coming soon!