807921211378428

Names of 807921211378428

• Cardinal: 807921211378428 can be written as Eight hundred seven trillion, nine hundred twenty-one billion, two hundred eleven million, three hundred seventy-eight thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 8.07921211378428 × 10¹⁴

Factors of 807921211378428

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 124983246

Divisors of 807921211378428

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 25657 51314 76971 102628 153942 179599 230913 307884 359198 461826 538797 718396 923652 1077594 1616391 2155188 3232782 6465564 124957577 249915154 374872731 499830308 749745462 874703039 1124618193 1499490924 1749406078 2249236386 2624109117 3498812156 4498472772 5248218234 7872327351 10496436468 15744654702 31489309404 3206036553089 6412073106178 9618109659267 12824146212356 19236219318534 22442255871623 28854328977801 38472438637068 44884511743246 57708657955602 67326767614869 89769023486492 115417315911204 134653535229738 201980302844607 269307070459476 403960605689214 807921211378428
• Sum of all divisors σ(n): 2334085598443872
• Sum of proper divisors (its aliquot sum) s(n): 1526164387065444
• 807921211378428 is an abundant number, because the sum of its proper divisors (1526164387065444) is greater than itself. Its abundance is 718243175687016

Bases of 807921211378428

• Binary: 10110111101100110011010000110011111000101011111100₂
• Hexadecimal: 0x2DECCD0CF8AFC
• Base-36: 7YDTVPCHZ0

Squares and roots of 807921211378428

• 807921211378428 squared (807921211378428²) is 652736683795186537215823751184
• 807921211378428 cubed (807921211378428³) is 527359812282945020893549744324649714337058752
• The square root of 807921211378428 is 28423954.8863001823
• The cube root of 807921211378428 is 93137.1626702137

Scales and comparisons

• 807,921,211,378,428 seconds is equal to 25,689,395 years, 23 weeks, 5 days, 12 hours, 13 minutes, 48 seconds.
• To count from 1 to 807,921,211,378,428 would take you about sixty-four million, two hundred twenty-three thousand, four hundred eighty-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 807921211378428 cubic inches would be around 7761.4 feet tall.

Recreational maths with 807921211378428

• 807921211378428 backwards is 824873112129708
• 807921211378428 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 807921211378428's digits is 63
• More coming soon!