389221897610643561

Names of 389221897610643561

• Cardinal: 389221897610643561 can be written as Three hundred eighty-nine quadrillion, two hundred twenty-one trillion, eight hundred ninety-seven billion, six hundred ten million, six hundred forty-three thousand, five hundred sixty-one.

Scientific notation

• Scientific notation: 3.89221897610643561 × 10¹⁷

Factors of 389221897610643561

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 953

Divisors of 389221897610643561

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 27 43 81 129 243 387 729 907 1161 1849 2187 2721 3483 5547 6561 8163 10449 16641 24489 31347 39001 49923 73467 79507 94041 117003 149769 220401 238521 282123 351009 449307 661203 715563 822649 1053027 1347921 1677043 1983609 2146689 2467947 3159081 4043763 5031129 5950827 6440067 7403841 9477243 12131289 15093387 19320201 22211523 28431729 35373907 45280161 57960603 66634569 72112849 85295187 106121721 135840483 173881809 199903707 216338547 255885561 318365163 407521449 521645427 599711121 649015641 746142643 955095489 1222564347 1521078001 1799133363 1947046923 2238427929 2865286467 3667693041 4563234003 5397400089 5841140769 6715283787 8595859401 11003079123 13689702009 17523422307 20145851361 25787578203 32084133649 41069106027 52570266921 60437554083 65406354043 77362734609 96252400947 123207318081 157710800763 181312662249 196219062129 232088203827 288757202841 369621954243 473132402289 543937986747 588657186387 866271608523 1108865862729 1379617746907 1631813960241 1765971559161 2598814825569 3326597588187 4138853240721 4895441880723 5297914677483 7796444476707 9979792764561 12416559722163 15893744032449 23389333430121 37249679166489 47681232097347 59323563117001 70168000290363 111749037499467 143043696292041 177970689351003 210504000871089 335247112498401 429131088876123 533912068053009 1005741337495203 1601736204159027 3017224012485609 4805208612477081 9051672037456827 14415625837431243 43246877512293729 129740632536881187 389221897610643561
• Sum of all divisors σ(n): 598362802059880000
• Sum of proper divisors (its aliquot sum) s(n): 209140904449236439
• 389221897610643561 is a deficient number, because the sum of its proper divisors (209140904449236439) is less than itself. Its deficiency is 180080993161407122

Bases of 389221897610643561

• Binary: 10101100110110010110100000011110001111000101100100001101001₂
• Hexadecimal: 0x566CB40F1E2C869
• Base-36: 2YGFNBBDS9K9

Squares and roots of 389221897610643561

• 389221897610643561 squared (389221897610643561²) is 151493685579630299779395992590760721
• 389221897610643561 cubed (389221897610643561³) is 58964659777333893470174985071161715845459479370367481
• The square root of 389221897610643561 is 623876508.3016378179
• The cube root of 389221897610643561 is 730128.1426456259

Scales and comparisons

• 389,221,897,610,643,561 seconds is equal to 12,376,052,401 years, 33 weeks, 2 days, 6 hours, 19 minutes, 21 seconds.
• To count from 1 to 389,221,897,610,643,561 would take you about thirty-seven billion, one hundred twenty-eight million, one hundred fifty-seven thousand, two hundred 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 389221897610643561 cubic inches would be around 60844 feet tall.

Recreational maths with 389221897610643561

• 389221897610643561 backwards is 165346016798122983
• 389221897610643561 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 389221897610643561's digits is 81
• More coming soon!