216813138129

Names of 216813138129

• Cardinal: 216813138129 can be written as Two hundred sixteen billion, eight hundred thirteen million, one hundred thirty-eight thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 2.16813138129 × 10¹¹

Factors of 216813138129

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 403

Divisors of 216813138129

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 7 9 21 27 43 49 63 67 81 129 147 189 201 283 301 387 441 469 567 603 849 903 1161 1323 1407 1809 1981 2107 2547 2709 2881 3283 3483 3969 4221 4489 5427 5943 6321 7641 8127 8643 9849 12169 12663 13467 13867 17829 18961 18963 20167 22923 24381 25929 29547 31423 36507 37989 40401 41601 53487 56883 56889 60501 77787 85183 88641 94269 109521 121203 124803 132727 141169 160461 170649 170667 181503 193027 219961 233361 255549 265923 282807 328563 363609 374409 398181 423507 511947 544509 579081 596281 659883 766647 815323 848421 929089 985689 1123227 1194543 1270387 1270521 1351189 1535841 1633527 1737243 1788843 1979649 2299941 2445969 2545263 2787267 3583629 3811161 3811563 4053567 5211729 5366529 5707261 5938947 6899823 7337907 8361801 8892709 9458323 10750887 11433483 11434689 12160701 15635187 16099587 17121783 17816841 22013721 25085403 26678127 28374969 34300449 36482103 39950827 48298761 51365349 54626641 62248963 66041163 75256209 80034381 85124907 102901347 109446309 119852481 154096047 163879923 186746889 240103143 255374721 359557443 382386487 462288141 491639769 560240667 720309429 766124163 1078672329 1147159461 1474919307 1680722001 2676705409 3236016987 3441478383 4424757921 5042166003 8030116227 10324435149 24090348681 30973305447 72271046043 216813138129
• Sum of all divisors σ(n): 392744643984
• Sum of proper divisors (its aliquot sum) s(n): 175931505855
• 216813138129 is a deficient number, because the sum of its proper divisors (175931505855) is less than itself. Its deficiency is 40881632274

Bases of 216813138129

• Binary: 11001001111011000100011111000011010001₂
• Hexadecimal: 0x327B11F0D1
• Base-36: 2RLOY029

Squares and roots of 216813138129

• 216813138129 squared (216813138129²) is 47007936865344833620641
• 216813138129 cubed (216813138129³) is 10191938308745320685008560318520689
• The square root of 216813138129 is 465631.9771332291
• The cube root of 216813138129 is 6007.5196286771

Scales and comparisons

• 216,813,138,129 seconds is equal to 6,893 years, 51 weeks, 2 days, 7 hours, 42 minutes, 9 seconds.
• To count from 1 to 216,813,138,129 would take you about thirteen thousand, seven hundred eighty-seven 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 216813138129 cubic inches would be around 500.6 feet tall.

Recreational maths with 216813138129

• 216813138129 backwards is 921831318612
• The number of decimal digits it has is: 12
• The sum of 216813138129's digits is 45
• More coming soon!