21027622578489989

Names of 21027622578489989

• Cardinal: 21027622578489989 can be written as Twenty-one quadrillion, twenty-seven trillion, six hundred twenty-two billion, five hundred seventy-eight million, four hundred eighty-nine thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 2.1027622578489989 × 10¹⁶

Factors of 21027622578489989

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 174

Divisors of 21027622578489989

• Number of divisors d(n): 144
• Complete list of divisors:
  1 7 11 49 59 77 97 121 343 413 539 649 679 847 1067 2891 3773 4543 4753 5723 5929 7139 7469 9409 11737 20237 31801 33271 40061 41503 49973 52283 62953 65863 82159 103499 222607 280427 349811 365981 440671 461041 555131 575113 692483 724493 912673 1138489 1962989 2448677 3084697 3227287 3885917 4025791 4847381 5071451 6106441 6388711 7969423 10039403 21592879 27201419 33931667 35500157 42745087 44720977 53847707 55785961 67170851 70275821 88529281 110433433 190409933 237521669 299215609 313046839 376933949 390501727 470195957 491930747 592324777 619704967 773034031 973822091 2094509263 2638537643 3291371699 3443515229 4146273439 4337934769 5223227579 5411238217 6515572547 6816754637 8587340257 10712043001 18469763501 23039601893 29023914073 30365543383 36562593053 37878667519 45609007829 47717282459 57455503369 60111381799 74984301007 94460742827 203167398511 255938151371 319263054803 334020977213 402188523583 420779672593 506653075163 524890107049 632010537059 661225199789 1039068171097 1791567059597 2234841383621 2815319665081 2945457708151 3546571526141 3674230749343 4424073759413 4628576398523 5573183826793 7273477197679 19707237655567 24826000682987 30968516315891 32400034789661 39012286787551 50914340383753 61305022094723 173782004780909 216779614211237 273086007512857 356400382686271 429135154663061 1911602052589999 3003946082641427 21027622578489989
• Sum of all divisors σ(n): 27696319163856000
• Sum of proper divisors (its aliquot sum) s(n): 6668696585366011
• 21027622578489989 is a deficient number, because the sum of its proper divisors (6668696585366011) is less than itself. Its deficiency is 14358925993123978

Bases of 21027622578489989

• Binary: 1001010101101001000001011100110010000110000101010000101₂
• Hexadecimal: 0x4AB482E6430A85
• Base-36: 5R1O4GE3UDH

Squares and roots of 21027622578489989

• 21027622578489989 squared (21027622578489989²) is 442160911303421973602983373220121
• 21027622578489989 cubed (21027622578489989³) is 9297592761849545283564065616305769123552691868669
• The square root of 21027622578489989 is 145009043.0921119795
• The cube root of 21027622578489989 is 276013.3306699679

Scales and comparisons

• 21,027,622,578,489,989 seconds is equal to 668,613,355 years, 15 weeks, 2 hours, 46 minutes, 29 seconds.
• To count from 1 to 21,027,622,578,489,989 would take you about two billion, five million, eight hundred forty thousand and sixty-five 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 21027622578489989 cubic inches would be around 23001.1 feet tall.

Recreational maths with 21027622578489989

• 21027622578489989 backwards is 98998487522672012
• The number of decimal digits it has is: 17
• The sum of 21027622578489989's digits is 89
• More coming soon!