138171801320

Names of 138171801320

• Cardinal: 138171801320 can be written as One hundred thirty-eight billion, one hundred seventy-one million, eight hundred one thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.3817180132 × 10¹¹

Factors of 138171801320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 158

Divisors of 138171801320

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 47 49 56 70 94 97 98 140 188 194 196 235 245 280 329 343 376 388 392 470 485 490 658 679 686 776 940 970 980 1316 1358 1372 1645 1715 1880 1940 1960 2209 2303 2632 2716 2744 3290 3395 3430 3880 4418 4559 4606 4753 5432 6580 6790 6860 8836 9118 9212 9506 11045 11515 13160 13580 13720 15463 16121 17672 18236 18424 19012 22090 22795 23030 23765 27160 30926 31913 32242 33271 36472 38024 44180 45590 46060 47530 61852 63826 64484 66542 77315 80605 88360 91180 92120 95060 103823 108241 123704 127652 128968 133084 154630 159565 161210 166355 182360 190120 207646 214273 216482 223391 255304 266168 309260 319130 322420 332710 415292 428546 432964 446782 519115 541205 618520 638260 644840 665420 726761 757687 830584 857092 865928 893564 1038230 1071365 1082410 1116955 1276520 1330840 1453522 1499911 1515374 1563737 1714184 1787128 2076460 2142730 2164820 2233910 2907044 2999822 3030748 3127474 3633805 3788435 4152920 4285460 4329640 4467820 5087327 5814088 5999644 6061496 6254948 7267610 7499555 7576870 7818685 8570920 8935640 10070831 10174654 10499377 11999288 12509896 14535220 14999110 15153740 15637370 20141662 20349308 20998754 25436635 29070440 29998220 30307480 31274740 35611289 40283324 40698616 41997508 50354155 50873270 52496885 59996440 62549480 70495817 71222578 73495639 80566648 83995016 100708310 101746540 104993770 140991634 142445156 146991278 178056445 201416620 203493080 209987540 281983268 284890312 293982556 352479085 356112890 367478195 402833240 419975080 493470719 563966536 587965112 704958170 712225780 734956390 986941438 1409916340 1424451560 1469912780 1973882876 2467353595 2819832680 2939825560 3454295033 3947765752 4934707190 6908590066 9869414380 13817180132 17271475165 19738828760 27634360264 34542950330 69085900660 138171801320
• Sum of all divisors σ(n): 374250240000
• Sum of proper divisors (its aliquot sum) s(n): 236078438680
• 138171801320 is an abundant number, because the sum of its proper divisors (236078438680) is greater than itself. Its abundance is 97906637360

Bases of 138171801320

• Binary: 10000000101011101011100101111011101000₂
• Hexadecimal: 0x202BAE5EE8
• Base-36: 1RH3X888

Squares and roots of 138171801320

• 138171801320 squared (138171801320²) is 19091446680013553742400
• 138171801320 cubed (138171801320³) is 2637899577582206362602035259968000
• The square root of 138171801320 is 371714.6772996729
• The cube root of 138171801320 is 5169.7928291639

Scales and comparisons

• 138,171,801,320 seconds is equal to 4,393 years, 22 weeks, 4 days, 15 hours, 55 minutes, 20 seconds.
• To count from 1 to 138,171,801,320 would take you about eight thousand, seven hundred eighty-six 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 138171801320 cubic inches would be around 430.8 feet tall.

Recreational maths with 138171801320

• 138171801320 backwards is 023108171831
• 138171801320 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138171801320's digits is 35
• More coming soon!