8445401391021

Names of 8445401391021

• Cardinal: 8445401391021 can be written as Eight trillion, four hundred forty-five billion, four hundred one million, three hundred ninety-one thousand and twenty-one.

Scientific notation

• Scientific notation: 8.445401391021 × 10¹²

Factors of 8445401391021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 127

Divisors of 8445401391021

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 21 23 41 49 53 69 123 147 159 161 287 371 483 529 861 943 1113 1127 1219 1587 1681 2009 2173 2597 2809 2829 3381 3657 3703 5043 6027 6519 6601 7791 8427 8533 11109 11767 12167 15211 19663 19803 21689 25599 25921 28037 35301 36501 38663 45633 46207 49979 58989 59731 64607 65067 77763 82369 84111 85169 89093 106477 115169 115989 137641 138621 149937 151823 179193 193821 196259 247107 255507 267279 270641 319431 345507 349853 412923 452249 455469 498847 588777 596183 623651 644851 806183 811923 889249 1049559 1062761 1149517 1356747 1373813 1485961 1496541 1788549 1870953 1894487 1934553 2049139 2418549 2448971 2648887 2667747 3165743 3188283 3448551 3491929 4121439 4365557 4457883 4513957 4721929 5643281 5683461 6147417 6224743 7346913 7946661 8046619 9497229 10401727 10475787 13096671 13541871 14165787 14343973 16929843 18542209 18674229 20452727 24139857 24443503 26438891 31205181 31597699 33053503 34177103 43031919 43573201 47130197 55626627 56326333 60924401 61358181 72812089 73330509 79316673 94793097 99160509 100407811 102531309 108604367 129795463 130719603 141390591 143169089 168978999 182773203 185072237 218436267 231374521 239239721 301223433 325813101 329911379 389386389 426470807 429507267 555216711 694123563 717719163 760230569 989734137 1002183623 1083994531 1279412421 1295505659 1401261223 1674678047 2280691707 2309379653 2497900441 2985295649 3006550869 3251983593 3886516977 4203783669 5024034141 5321613983 6928138959 7493701323 7587961717 8955886947 9808828561 15964841949 17485303087 22763885151 29426485683 52455909261 53115732019 57451710143 68661799927 122397121609 159347196057 172355130429 205985399781 367191364827 402161971001 1206485913003 2815133797007 8445401391021
• Sum of all divisors σ(n): 14306341371840
• Sum of proper divisors (its aliquot sum) s(n): 5860939980819
• 8445401391021 is a deficient number, because the sum of its proper divisors (5860939980819) is less than itself. Its deficiency is 2584461410202

Bases of 8445401391021

• Binary: 1111010111001011001001001100101111110101101₂
• Hexadecimal: 0x7AE59265FAD
• Base-36: 2ZRRHXMZX

Squares and roots of 8445401391021

• 8445401391021 squared (8445401391021²) is 71324804655459441739422441
• 8445401391021 cubed (8445401391021³) is 602366604451518265907966391034543302261
• The square root of 8445401391021 is 2906097.2783134773
• The cube root of 8445401391021 is 20364.4850084595

Scales and comparisons

• 8,445,401,391,021 seconds is equal to 268,537 years, 33 weeks, 2 days, 6 hours, 50 minutes, 21 seconds.
• To count from 1 to 8,445,401,391,021 would take you about six hundred seventy-one thousand, three hundred forty-four 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 8445401391021 cubic inches would be around 1697 feet tall.

Recreational maths with 8445401391021

• 8445401391021 backwards is 1201931045448
• The number of decimal digits it has is: 13
• The sum of 8445401391021's digits is 42
• More coming soon!