128409067788872

Names of 128409067788872

• Cardinal: 128409067788872 can be written as One hundred twenty-eight trillion, four hundred nine billion, sixty-seven million, seven hundred eighty-eight thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.28409067788872 × 10¹⁴

Factors of 128409067788872

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 12916

Divisors of 128409067788872

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 8 13 17 19 26 34 38 52 68 76 104 136 152 221 247 313 323 442 494 626 646 884 988 1063 1252 1292 1768 1976 2126 2504 2584 4069 4199 4252 5321 5947 8138 8398 8504 10642 11489 11894 13819 16276 16796 18071 20197 21284 22978 23788 27638 32552 33592 36142 40394 42568 45956 47576 55276 69173 72284 77311 80788 91912 101099 110552 138346 144568 149357 154622 161576 195313 202198 218291 234923 262561 276692 298714 309244 332719 343349 390626 404396 436582 469846 525122 553384 597428 618488 665438 686698 781252 808792 873164 939692 1050244 1194856 1314287 1330876 1373396 1562504 1746328 1879384 2100488 2539069 2628574 2661752 2746792 2837783 3596057 3710947 4325347 4463537 5078138 5257148 5656223 5675566 6321661 7192114 7421894 8650694 8927074 10156276 10514296 11312446 11351132 12212807 12643322 14384228 14843788 17301388 17854148 20312552 22624892 22702264 24425614 25286644 28768456 29687576 34602776 35708296 45249784 46748741 48242311 48851228 50573288 61132969 68325083 73530899 82181593 93497482 96484622 97702456 107468237 122265938 136650166 147061798 158766491 164363186 186994964 192969244 207617719 214936474 232043333 244531876 273300332 294123596 317532982 328726372 373989928 385938488 415235438 429872948 464086666 489063752 546600664 588247192 635065964 657452744 794728597 830470876 859745896 888226079 928173332 1161526411 1270131928 1397087081 1589457194 1660941752 1776452158 1856346664 2323052822 2699030347 2794174162 3016563329 3178914388 3552904316 3822608591 3944736661 4646105644 5398060694 5588348324 6033126658 6357828776 7105808632 7645217182 7889473322 9292211288 10796121388 11176696648 12066253316 15099843343 15290434364 15778946644 21592242776 24132506632 30199686686 30580868728 31557893288 49693911683 51281576593 60399373372 64984346047 72629563229 99387823366 102563153186 120798746744 129968692094 145259126458 198775646732 205126306372 259937384188 290518252916 397551293464 410252612744 519874768376 581036505832 844796498611 944184321977 1234702574893 1689592997222 1888368643954 2469405149786 3379185994444 3776737287908 4938810299572 6758371988888 7553474575816 9877620599144 16051133473609 32102266947218 64204533894436 128409067788872
• Sum of all divisors σ(n): 290210485824000
• Sum of proper divisors (its aliquot sum) s(n): 161801418035128
• 128409067788872 is an abundant number, because the sum of its proper divisors (161801418035128) is greater than itself. Its abundance is 33392350246256

Bases of 128409067788872

• Binary: 11101001100100110010000110111110001101001001000₂
• Hexadecimal: 0x74C990DF1A48
• Base-36: 19IMB7JCQW

Squares and roots of 128409067788872

• 128409067788872 squared (128409067788872²) is 16488888690407124627167032384
• 128409067788872 cubed (128409067788872³) is 2117322825609653322506090700470736898830848
• The square root of 128409067788872 is 11331772.4910479913
• The cube root of 128409067788872 is 50450.4716887555

Scales and comparisons

• 128,409,067,788,872 seconds is equal to 4,083,011 years, 8 weeks, 2 days, 8 hours, 54 minutes, 32 seconds.
• To count from 1 to 128,409,067,788,872 would take you about ten million, two hundred seven thousand, five hundred twenty-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 128409067788872 cubic inches would be around 4204.2 feet tall.

Recreational maths with 128409067788872

• 128409067788872 backwards is 278887760904821
• The number of decimal digits it has is: 15
• The sum of 128409067788872's digits is 77
• More coming soon!