21395072067040

Names of 21395072067040

• Cardinal: 21395072067040 can be written as Twenty-one trillion, three hundred ninety-five billion, seventy-two million, sixty-seven thousand and forty.

Scientific notation

• Scientific notation: 2.139507206704 × 10¹³

Factors of 21395072067040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3310369

Divisors of 21395072067040

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 70 80 112 116 140 145 160 199 203 224 232 280 290 398 406 464 560 580 796 812 928 995 1015 1120 1160 1393 1592 1624 1990 2030 2320 2786 3184 3248 3980 4060 4640 5572 5771 6368 6496 6965 7960 8120 11144 11542 13930 15920 16240 22288 23084 27860 28855 31840 32480 40397 44576 46168 55720 57710 80794 92336 111440 115420 161588 184672 201985 222880 230840 323176 403970 461680 646352 807940 923360 1292704 1615880 3231760 3310127 6463520 6620254 13240508 16550635 23170889 26481016 33101270 46341778 52962032 66202540 92683556 95993683 105924064 115854445 132405080 185367112 191987366 231708890 264810160 370734224 383974732 463417780 479968415 529620320 658715273 671955781 741468448 767949464 926835560 959936830 1317430546 1343911562 1535898928 1853671120 1919873660 2634861092 2687823124 3071797856 3293576365 3359778905 3707342240 3839747320 4611006911 5269722184 5375646248 6587152730 6719557810 7679494640 9222013822 10539444368 10751292496 13174305460 13439115620 15358989280 18444027644 19102742917 21078888736 21502584992 23055034555 26348610920 26878231240 36888055288 38205485834 46110069110 52697221840 53756462480 73776110576 76410971668 92220138220 95513714585 105394443680 107512924960 133719200419 147552221152 152821943336 184440276440 191027429170 267438400838 305643886672 368880552880 382054858340 534876801676 611287773344 668596002095 737761105760 764109716680 1069753603352 1337192004190 1528219433360 2139507206704 2674384008380 3056438866720 4279014413408 5348768016760 10697536033520 21395072067040
• Sum of all divisors σ(n): 60058962432000
• Sum of proper divisors (its aliquot sum) s(n): 38663890364960
• 21395072067040 is an abundant number, because the sum of its proper divisors (38663890364960) is greater than itself. Its abundance is 17268818297920

Bases of 21395072067040

• Binary: 100110111010101101101101010111010010111100000₂
• Hexadecimal: 0x13756DABA5E0
• Base-36: 7L0RDI5LS

Squares and roots of 21395072067040

• 21395072067040 squared (21395072067040²) is 457749108753835258254361600
• 21395072067040 cubed (21395072067040³) is 9793575170411635877347776459407601664000
• The square root of 21395072067040 is 4625480.7390194589
• The cube root of 21395072067040 is 27761.1797356351

Scales and comparisons

• 21,395,072,067,040 seconds is equal to 680,297 years, 5 weeks, 5 days, 22 hours, 10 minutes, 40 seconds.
• To count from 1 to 21,395,072,067,040 would take you about one million, seven hundred thousand, seven hundred forty-two 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 21395072067040 cubic inches would be around 2313.4 feet tall.

Recreational maths with 21395072067040

• 21395072067040 backwards is 04076027059312
• The number of decimal digits it has is: 14
• The sum of 21395072067040's digits is 46
• More coming soon!