21318828390272

Names of 21318828390272

• Cardinal: 21318828390272 can be written as Twenty-one trillion, three hundred eighteen billion, eight hundred twenty-eight million, three hundred ninety thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1318828390272 × 10¹³

Factors of 21318828390272

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 27009

Divisors of 21318828390272

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 56 64 76 112 113 128 133 152 224 226 266 304 419 448 452 532 608 791 838 896 904 1064 1216 1582 1676 1808 2128 2147 2432 2933 3164 3352 3616 4256 4294 5866 6328 6704 7232 7961 8512 8588 11732 12656 13408 14464 15029 15922 17024 17176 23464 25312 26449 26816 30058 31844 34352 46928 47347 50624 52898 53632 55727 60116 63688 68704 93856 94694 101248 105796 111454 120232 127376 137408 185143 187712 189388 211592 222908 240464 254752 274816 331429 370286 375424 378776 423184 445816 480928 502531 509504 662858 740572 757552 846368 891632 899593 961856 1005062 1019008 1325716 1481144 1515104 1692736 1783264 1799186 1923712 2010124 2651432 2962288 2988737 3030208 3385472 3517717 3566528 3598372 4020248 5302864 5924576 5977474 6060416 6297151 7035434 7133056 7196744 8040496 10605728 11082131 11849152 11954948 12594302 14070868 14393488 16080992 20921159 21211456 22164262 23698304 23909896 25188604 28141736 28786976 32161984 41842318 42422912 44328524 47819792 50377208 56283472 56786003 57573952 64323968 77574917 83684636 88657048 95639584 100754416 112566944 113572006 115147904 155149834 167369272 177314096 191279168 201508832 210560489 225133888 227144012 310299668 334738544 354628192 382558336 397502021 403017664 421120978 450267776 454288024 620599336 669477088 709256384 795004042 806035328 842241956 908576048 1241198672 1252280803 1338954176 1418512768 1473923423 1590008084 1684483912 1817152096 2482397344 2504561606 2677908352 2947846846 3180016168 3368967824 3634304192 4964794688 5009123212 5895693692 6360032336 6737935648 7268608384 8765965621 9929589376 10018246424 11791387384 12720064672 13475871296 17531931242 20036492848 23582774768 23793335257 25440129344 26951742592 35063862484 40072985696 47165549536 47586670514 50880258688 70127724968 80145971392 94331099072 95173341028 140255449936 160291942784 166553346799 188662198144 190346682056 280510899872 333106693598 380693364112 561021799744 666213387196 761386728224 1122043599488 1332426774392 1522773456448 2664853548784 3045546912896 5329707097568 10659414195136 21318828390272
• Sum of all divisors σ(n): 51670180800000
• Sum of proper divisors (its aliquot sum) s(n): 30351352409728
• 21318828390272 is an abundant number, because the sum of its proper divisors (30351352409728) is greater than itself. Its abundance is 9032524019456

Bases of 21318828390272

• Binary: 100110110001110101101001100010111011110000000₂
• Hexadecimal: 0x1363AD317780
• Base-36: 7K1QFZK3K

Squares and roots of 21318828390272

• 21318828390272 squared (21318828390272²) is 454492443933867434744233984
• 21318828390272 cubed (21318828390272³) is 9689246416901438295071859789152437403648
• The square root of 21318828390272 is 4617231.6803764569
• The cube root of 21318828390272 is 27728.1638202627

Scales and comparisons

• 21,318,828,390,272 seconds is equal to 677,872 years, 41 weeks, 3 days, 23 hours, 4 minutes, 32 seconds.
• To count from 1 to 21,318,828,390,272 would take you about one million, six hundred ninety-four thousand, six hundred eighty-one 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 21318828390272 cubic inches would be around 2310.7 feet tall.

Recreational maths with 21318828390272

• 21318828390272 backwards is 27209382881312
• 21318828390272 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21318828390272's digits is 56
• More coming soon!