21073285778272

Names of 21073285778272

• Cardinal: 21073285778272 can be written as Twenty-one trillion, seventy-three billion, two hundred eighty-five million, seven hundred seventy-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1073285778272 × 10¹³

Factors of 21073285778272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4522

Divisors of 21073285778272

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 169 182 208 224 338 364 367 416 676 728 734 1183 1352 1456 1468 2366 2569 2704 2912 2936 4133 4732 4771 5138 5408 5872 8266 9464 9542 10276 11744 16532 18928 19084 20552 28931 33064 33397 37856 38168 41104 53729 57862 62023 66128 66794 76336 82208 107458 115724 124046 132256 133588 134689 152672 214916 231448 248092 267176 269378 376103 429832 434161 462896 496184 534352 538756 698477 752206 859664 868322 925792 942823 992368 1068704 1077512 1396954 1504412 1516811 1719328 1736644 1750957 1885646 1984736 2155024 2793908 3008824 3033622 3473288 3501914 3771292 4310048 4889339 5587816 6017648 6067244 6946576 7003828 7542584 9778678 10617677 11175632 12035296 12134488 12256699 13893152 14007656 15085168 19557356 19718543 21235354 22351264 22762441 24268976 24513398 28015312 30170336 39114712 39437086 42470708 45524882 48537952 49026796 56030624 78229424 78874172 84941416 91049764 98053592 138029801 156458848 157748344 159337087 169882832 182099528 196107184 256341059 276059602 315496688 318674174 339765664 364199056 392214368 512682118 552119204 556669637 630993376 637348348 728398112 1025364236 1104238408 1113339274 1274696696 1794387413 2050728472 2208476816 2226678548 2549393392 3588774826 3896687459 4101456944 4416953632 4453357096 5098786784 7177549652 7236705281 7793374918 8202913888 8906714192 14355099304 14473410562 15586749836 17813428384 28710198608 28946821124 31173499672 50656936967 57420397216 57893642248 62346999344 94077168653 101313873934 115787284496 124693998688 188154337306 202627747868 231574568992 376308674612 405255495736 658540180571 752617349224 810510991472 1317080361142 1505234698448 1621021982944 2634160722284 3010469396896 5268321444568 10536642889136 21073285778272
• Sum of all divisors σ(n): 51495490244016
• Sum of proper divisors (its aliquot sum) s(n): 30422204465744
• 21073285778272 is an abundant number, because the sum of its proper divisors (30422204465744) is greater than itself. Its abundance is 9348918687472

Bases of 21073285778272

• Binary: 100110010101010000001101101101000101101100000₂
• Hexadecimal: 0x132A81B68B60
• Base-36: 7GWXM984G

Squares and roots of 21073285778272

• 21073285778272 squared (21073285778272²) is 444083373492720932747305984
• 21073285778272 cubed (21073285778272³) is 9358295838991208896176717754148762779648
• The square root of 21073285778272 is 4590564.8648365705
• The cube root of 21073285778272 is 27621.2981383661

Scales and comparisons

• 21,073,285,778,272 seconds is equal to 670,065 years, 15 weeks, 5 days, 13 hours, 57 minutes, 52 seconds.
• To count from 1 to 21,073,285,778,272 would take you about one million, six hundred seventy-five thousand, one hundred sixty-three 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 21073285778272 cubic inches would be around 2301.8 feet tall.

Recreational maths with 21073285778272

• 21073285778272 backwards is 27287758237012
• The number of decimal digits it has is: 14
• The sum of 21073285778272's digits is 61
• More coming soon!