28688621421328

Names of 28688621421328

• Cardinal: 28688621421328 can be written as Twenty-eight trillion, six hundred eighty-eight billion, six hundred twenty-one million, four hundred twenty-one thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8688621421328 × 10¹³

Factors of 28688621421328

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6127

Divisors of 28688621421328

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 11 16 22 29 31 44 58 62 88 116 124 176 232 248 319 341 464 496 638 682 841 899 1276 1321 1364 1682 1798 2552 2642 2728 3364 3596 4733 5104 5284 5456 6728 7192 9251 9466 9889 10568 13456 14384 14531 18502 18932 19778 21136 26071 29062 37004 37864 38309 39556 40951 52063 52142 58124 74008 75728 76618 79112 81902 104126 104284 116248 137257 146723 148016 153236 158224 163804 208252 208568 232496 274514 286781 293446 306472 327608 416504 417136 421399 450461 549028 573562 586892 612944 655216 833008 842798 900922 1098056 1110961 1147124 1173784 1187579 1509827 1613953 1685596 1801844 2196112 2221922 2294248 2347568 2375158 3019654 3227906 3371192 3603688 3980453 4254967 4443844 4588496 4750316 6039308 6252293 6455812 6742384 7207376 7960906 8509934 8887688 9500632 12078616 12220571 12504586 12911624 13063369 15921812 17019868 17775376 19001264 24157232 24441142 25009172 25823248 26126738 31843624 34039736 34439791 43784983 46804637 48882284 50018344 52253476 63687248 68079472 68775223 68879582 87569966 93609274 97764568 100036688 104506952 123394043 137550446 137759164 175139932 181316497 187218548 193821083 195529136 209013904 246788086 275100892 275518328 350279864 362632994 374437096 378837701 387642166 493576172 550201784 551036656 700559728 725265988 748874192 757675402 775284332 987152344 1100403568 1357334473 1450531976 1515350804 1550568664 1974304688 1994481467 2132031913 2714668946 2901063952 3030701608 3101137328 3988962934 4264063826 5258178413 5429337892 5620811407 6061403216 7977925868 8528127652 10516356826 10858675784 11241622814 15955851736 17056255304 21032713652 21717351568 22483245628 31911703472 34112510608 42065427304 44966491256 57839962543 61828925477 84130854608 89932982512 115679925086 123657850954 163003530803 231359850172 247315701908 326007061606 462719700344 494631403816 652014123212 925439400688 989262807632 1304028246424 1793038838833 2608056492848 3586077677666 7172155355332 14344310710664 28688621421328
• Sum of all divisors σ(n): 64888955269632
• Sum of proper divisors (its aliquot sum) s(n): 36200333848304
• 28688621421328 is an abundant number, because the sum of its proper divisors (36200333848304) is greater than itself. Its abundance is 7511712426976

Bases of 28688621421328

• Binary: 110100001011110010111000101101100001100010000₂
• Hexadecimal: 0x1A179716C310
• Base-36: A63DCH4WG

Squares and roots of 28688621421328

• 28688621421328 squared (28688621421328²) is 823036999056279794893283584
• 28688621421328 cubed (28688621421328³) is 23611796881671501444035401609695049879552
• The square root of 28688621421328 is 5356176.0073141733
• The cube root of 28688621421328 is 30612.8121485145

Scales and comparisons

• 28,688,621,421,328 seconds is equal to 912,209 years, 21 weeks, 6 days, 9 hours, 55 minutes, 28 seconds.
• To count from 1 to 28,688,621,421,328 would take you about two million, two hundred eighty thousand, five hundred twenty-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 28688621421328 cubic inches would be around 2551.1 feet tall.

Recreational maths with 28688621421328

• 28688621421328 backwards is 82312412688682
• The number of decimal digits it has is: 14
• The sum of 28688621421328's digits is 61
• More coming soon!