138081228285

Names of 138081228285

• Cardinal: 138081228285 can be written as One hundred thirty-eight billion, eighty-one million, two hundred twenty-eight thousand, two hundred eighty-five.

Scientific notation

• Scientific notation: 1.38081228285 × 10¹¹

Factors of 138081228285

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4868

Divisors of 138081228285

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 11 13 15 21 29 33 35 39 55 65 67 77 87 91 105 143 145 165 195 201 203 231 273 319 335 377 385 429 435 455 469 609 715 737 871 957 1001 1005 1015 1131 1155 1365 1407 1595 1885 1943 2145 2211 2233 2345 2613 2639 3003 3045 3685 4147 4355 4733 4785 5005 5159 5655 5829 6097 6699 7035 7917 9581 9715 11055 11165 12441 13065 13195 13601 14199 15015 15477 18291 20735 21373 23665 25259 25795 28743 29029 29145 30485 33131 33495 39585 40803 47905 52063 61529 62205 64119 67067 68005 70995 75777 77385 87087 91455 99393 106865 126295 137257 143715 145145 149611 156189 165655 176813 184587 201201 204015 260315 277849 307645 317111 320595 335335 364441 378885 411771 430703 435435 448833 496965 530439 676819 686285 748055 780945 833547 884065 922935 951333 960799 1006005 1093323 1292109 1389245 1509827 1585555 1784341 1822205 1944943 2030457 2058855 2153515 2219777 2244165 2652195 2882397 3384095 3488221 4122443 4167735 4529481 4737733 4756665 4803995 5353023 5466615 5834829 6460545 6659331 7549135 8921705 9196219 9724715 10152285 10464663 10568789 11098885 12367329 12490387 14213199 14411985 17441105 19627751 20612215 22647405 23688665 24417547 26765115 27588657 28857101 29174145 31706367 33296655 37471161 45346873 45981095 52323315 52843945 58883253 61836645 62451935 64373533 71065995 73252641 86571303 98138755 101158409 119550847 122087735 136040619 137394257 137943285 144285505 158531835 187355805 193120599 226734365 294416265 303475227 317428111 321867665 358652541 366263205 412182771 432856515 505792045 597754235 680203095 686971285 708108863 836855929 952284333 965602995 1315059317 1517376135 1587140555 1793262705 2060913855 2124326589 2510567787 3540544315 3945177951 4184279645 4761421665 6575296585 9205415219 10621632945 12552838935 19725889755 27616245657 46027076095 138081228285
• Sum of all divisors σ(n): 311507804160
• Sum of proper divisors (its aliquot sum) s(n): 173426575875
• 138081228285 is an abundant number, because the sum of its proper divisors (173426575875) is greater than itself. Its abundance is 35345347590

Bases of 138081228285

• Binary: 10000000100110010010000101010111111101₂
• Hexadecimal: 0x20264855FD
• Base-36: 1RFLZXML

Squares and roots of 138081228285

• 138081228285 squared (138081228285²) is 19066425604694284041225
• 138081228285 cubed (138081228285³) is 2632715466500760602331021576049125
• The square root of 138081228285 is 371592.8259331711
• The cube root of 138081228285 is 5168.6629648151

Scales and comparisons

• 138,081,228,285 seconds is equal to 4,390 years, 28 weeks, 6 days, 8 hours, 44 minutes, 45 seconds.
• To count from 1 to 138,081,228,285 would take you about eight thousand, seven hundred eighty-one 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 138081228285 cubic inches would be around 430.7 feet tall.

Recreational maths with 138081228285

• 138081228285 backwards is 582822180831
• The number of decimal digits it has is: 12
• The sum of 138081228285's digits is 48
• More coming soon!