21123879347683328

Names of 21123879347683328

• Cardinal: 21123879347683328 can be written as Twenty-one quadrillion, one hundred twenty-three trillion, eight hundred seventy-nine billion, three hundred forty-seven million, six hundred eighty-three thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1123879347683328 × 10¹⁶

Factors of 21123879347683328

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 312

Divisors of 21123879347683328

• Number of divisors d(n): 228
• Complete list of divisors:
  1 2 4 8 16 32 64 83 128 166 227 256 332 454 512 664 908 1024 1328 1816 2048 2656 3632 4096 5312 6889 7264 8192 10624 13778 14528 16384 18841 21248 27556 29056 32768 37682 42496 51529 55112 58112 65536 75364 84992 103058 110224 116224 131072 150728 169984 206116 220448 232448 262144 301456 339968 412232 440896 464896 602912 679936 824464 881792 929792 1205824 1359872 1563803 1648928 1763584 1859584 2411648 2719744 3127606 3297856 3527168 3719168 4276907 4823296 5439488 6255212 6595712 7054336 7438336 8553814 9646592 10878976 11697083 12510424 13191424 14108672 14876672 17107628 19293184 21757952 23394166 25020848 26382848 28217344 29753344 34215256 38586368 46788332 50041696 52765696 56434688 59506688 68430512 77172736 93576664 100083392 105531392 112869376 136861024 154345472 187153328 200166784 211062784 225738752 273722048 308690944 354983281 374306656 400333568 422125568 451477504 547444096 617381888 709966562 748613312 800667136 844251136 902955008 970857889 1094888192 1234763776 1419933124 1497226624 1601334272 1688502272 1805910016 1941715778 2189776384 2469527552 2839866248 2994453248 3202668544 3377004544 3883431556 4379552768 4939055104 5679732496 5988906496 6405337088 6754009088 7766863112 8759105536 11359464992 11977812992 12810674176 13508018176 15533726224 17518211072 22718929984 23955625984 25621348352 31067452448 35036422144 45437859968 47911251968 51242696704 62134904896 70072844288 80581204787 90875719936 95822503936 102485393408 124269809792 140145688576 161162409574 181751439872 191645007872 204970786816 248539619584 280291377152 322324819148 363502879744 383290015744 409941573632 497079239168 560582754304 644649638296 727005759488 766580031488 994158478336 1121165508608 1289299276592 1454011518976 1533160062976 1988316956672 2578598553184 2908023037952 3066320125952 3976633913344 5157197106368 5816046075904 7953267826688 10314394212736 11632092151808 15906535653376 20628788425472 23264184303616 31813071306752 41257576850944 46528368607232 63626142613504 82515153701888 93056737214464 127252285227008 165030307403776 254504570454016 330060614807552 660121229615104 1320242459230208 2640484918460416 5280969836920832 10561939673841664 21123879347683328
• Sum of all divisors σ(n): 42952034909478840
• Sum of proper divisors (its aliquot sum) s(n): 21828155561795512
• 21123879347683328 is an abundant number, because the sum of its proper divisors (21828155561795512) is greater than itself. Its abundance is 704276214112184

Bases of 21123879347683328

• Binary: 1001011000011000000111001101100110011000000000000000000₂
• Hexadecimal: 0x4B0C0E6CCC0000
• Base-36: 5RZSG7D7I0W

Squares and roots of 21123879347683328

• 21123879347683328 squared (21123879347683328²) is 446218278695482222862320569155584
• 21123879347683328 cubed (21123879347683328³) is 9425861081894300473671451171662989877203594903552
• The square root of 21123879347683328 is 145340563.3251891865
• The cube root of 21123879347683328 is 276433.8523653111

Scales and comparisons

• 21,123,879,347,683,328 seconds is equal to 671,674,022 years, 41 weeks, 6 days, 21 hours, 22 minutes, 8 seconds.
• To count from 1 to 21,123,879,347,683,328 would take you about two billion, fifteen million, twenty-two thousand and sixty-eight 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 21123879347683328 cubic inches would be around 23036.2 feet tall.

Recreational maths with 21123879347683328

• 21123879347683328 backwards is 82338674397832112
• The number of decimal digits it has is: 17
• The sum of 21123879347683328's digits is 77
• More coming soon!