13290366438

Names of 13290366438

• Cardinal: 13290366438 can be written as Thirteen billion, two hundred ninety million, three hundred sixty-six thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3290366438 × 10¹⁰

Factors of 13290366438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 220

Divisors of 13290366438

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 18 27 31 47 54 62 81 93 94 137 141 162 186 243 274 279 282 411 423 486 558 822 837 846 1233 1269 1457 1674 2466 2511 2538 2914 3699 3807 4247 4371 5022 6439 7398 7533 7614 8494 8742 11097 11421 12741 12878 13113 15066 18769 19317 22194 22842 25482 26226 33291 37538 38223 38634 39339 56307 57951 66582 76446 78678 112614 114669 115902 118017 168921 173853 199609 229338 236034 337842 344007 347706 354051 399218 506763 521559 581839 598827 688014 708102 882143 1013526 1032021 1043118 1163678 1197654 1520289 1564677 1745517 1764286 1796481 2064042 2646429 3040578 3129354 3491034 3592962 4560867 5236551 5292858 5389443 7939287 9121734 10473102 10778886 15709653 15878574 16168329 23817861 27346433 31419306 32336658 47128959 47635722 48504987 54692866 71453583 82039299 94257918 97009974 141386877 142907166 164078598 214360749 246117897 282773754 428721498 492235794 738353691 1476707382 2215061073 4430122146 6645183219 13290366438
• Sum of all divisors σ(n): 31712937984
• Sum of proper divisors (its aliquot sum) s(n): 18422571546
• 13290366438 is an abundant number, because the sum of its proper divisors (18422571546) is greater than itself. Its abundance is 5132205108

Bases of 13290366438

• Binary: 1100011000001010101110010111100110₂
• Hexadecimal: 0x3182AE5E6
• Base-36: 63SQODI

Squares and roots of 13290366438

• 13290366438 squared (13290366438²) is 176633840056316807844
• 13290366438 cubed (13290366438³) is 2347528459699532932865192739672
• The square root of 13290366438 is 115283.8515924933
• The cube root of 13290366438 is 2368.7123176403

Scales and comparisons

• 13,290,366,438 seconds is equal to 422 years, 30 weeks, 5 days, 16 hours, 27 minutes, 18 seconds.
• To count from 1 to 13,290,366,438 would take you about eight hundred forty-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 13290366438 cubic inches would be around 197.4 feet tall.

Recreational maths with 13290366438

• 13290366438 backwards is 83466309231
• The number of decimal digits it has is: 11
• The sum of 13290366438's digits is 45
• More coming soon!