128691308909232

Names of 128691308909232

• Cardinal: 128691308909232 can be written as One hundred twenty-eight trillion, six hundred ninety-one billion, three hundred eight million, nine hundred nine thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 1.28691308909232 × 10¹⁴

Factors of 128691308909232

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4279

Divisors of 128691308909232

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 43 48 54 72 81 86 108 129 144 162 172 216 243 258 324 344 387 432 486 516 648 688 774 972 1032 1161 1296 1548 1849 1944 2064 2322 3096 3483 3698 3888 4231 4644 5547 6192 6966 7396 8462 9288 10449 11094 12693 13932 14792 16641 16924 18576 20898 22188 25386 27864 29584 33282 33848 38079 41796 44376 49923 50772 55728 66564 67696 76158 83592 88752 99846 101544 114237 133128 149769 152316 167184 181933 199692 203088 228474 266256 299538 304632 342711 363866 399384 449307 456948 545799 599076 609264 685422 727732 798768 898614 913896 1028133 1091598 1198152 1370844 1455464 1637397 1797228 1827792 2056266 2183196 2396304 2741688 2910928 3274794 3594456 4112532 4366392 4912191 5483376 6549588 7188912 7823119 8225064 8732784 9824382 13099176 14736573 15646238 16450128 17901361 19648764 23469357 26198352 29473146 31292476 35802722 39297528 44209719 46938714 53704083 58946292 62584952 70408071 71605444 78595056 88419438 93877428 107408166 117892584 125169904 140816142 143210888 161112249 176838876 187754856 211224213 214816332 235785168 281632284 286421776 322224498 353677752 375509712 422448426 429632664 483336747 563264568 633672639 644448996 707355504 769758523 844896852 859265328 966673494 1126529136 1267345278 1288897992 1450010241 1539517046 1689793704 1901017917 1933346988 2309275569 2534690556 2577795984 2900020482 3079034092 3379587408 3802035834 3866693976 4350030723 4618551138 5069381112 5800040964 6158068184 6927826707 7604071668 7733387952 8700061446 9237102276 10138762224 11600081928 12316136368 13855653414 15208143336 17400122892 18474204552 20783480121 23200163856 27711306828 30416286672 33099616489 34800245784 36948409104 41566960242 55422613656 62350440363 66199232978 69600491568 83133920484 99298849467 110845227312 124700880726 132398465956 166267840968 187051321089 198597698934 249401761452 264796931912 297896548401 332535681936 374102642178 397195397868 498803522904 529593863824 595793096802 748205284356 794390795736 893689645203 997607045808 1191586193604 1496410568712 1588781591472 1787379290406 2383172387208 2681068935609 2992821137424 3574758580812 4766344774416 5362137871218 7149517161624 8043206806827 10724275742436 14299034323248 16086413613654 21448551484872 32172827227308 42897102969744 64345654454616 128691308909232
• Sum of all divisors σ(n): 382474424702916
• Sum of proper divisors (its aliquot sum) s(n): 253783115793684
• 128691308909232 is an abundant number, because the sum of its proper divisors (253783115793684) is greater than itself. Its abundance is 125091806884452

Bases of 128691308909232

• Binary: 11101010000101101000111110000001101001010110000₂
• Hexadecimal: 0x750B47C0D2B0
• Base-36: 19M7YYM300

Squares and roots of 128691308909232

• 128691308909232 squared (128691308909232²) is 16561452988771375537614829824
• 128691308909232 cubed (128691308909232³) is 2131315062563700654781430973064576742535168
• The square root of 128691308909232 is 11344219.1846434279
• The cube root of 128691308909232 is 50487.4077559311

Scales and comparisons

• 128,691,308,909,232 seconds is equal to 4,091,985 years, 28 weeks, 6 days, 7 minutes, 12 seconds.
• To count from 1 to 128,691,308,909,232 would take you about ten million, two hundred twenty-nine thousand, nine hundred sixty-three 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 128691308909232 cubic inches would be around 4207.3 feet tall.

Recreational maths with 128691308909232

• 128691308909232 backwards is 232909803196821
• The number of decimal digits it has is: 15
• The sum of 128691308909232's digits is 63
• More coming soon!