21727100520484865872

Names of 21727100520484865872

• Cardinal: 21727100520484865872 can be written as Twenty-one quintillion, seven hundred twenty-seven quadrillion, one hundred trillion, five hundred twenty billion, four hundred eighty-four million, eight hundred sixty-five thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.1727100520484865872 × 10¹⁹

Factors of 21727100520484865872

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 212

Divisors of 21727100520484865872

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 4 8 16 37 74 148 173 296 346 592 692 1369 1384 2738 2768 5476 6401 10952 12802 21904 25604 29929 50653 51208 59858 101306 102416 119716 202612 236837 239432 405224 473674 478864 810448 947348 1107373 1894696 2214746 3789392 4429492 5177717 8762969 8858984 10355434 17525938 17717968 20710868 35051876 40972801 41421736 70103752 81945602 82843472 140207504 163891204 191575529 327782408 383151058 655564816 766302116 895745041 1515993637 1532604232 1791490082 3031987274 3065208464 3582980164 6063974548 7088294573 7165960328 12127949096 14176589146 14331920656 24255898192 28353178292 33142566517 56706356584 66285133034 113412713168 132570266068 154963892093 262266899201 265140532136 309927784186 524533798402 530281064272 619855568372 1049067596804 1226274961129 1239711136744 2098135193608 2452549922258 2479422273488 4196270387216 4905099844516 5733664007441 9810199689032 11467328014882 19620399378064 22934656029764 26808753332089 45372173561773 45869312059528 53617506664178 90744347123546 91738624119056 107235013328356 181488694247092 212145568275317 214470026656712 362977388494184 424291136550634 428940053313424 725954776988368 848582273101268 991923873287293 1697164546202536 1983847746574586 3394329092405072 3967695493149172 7849386026186729 7935390986298344 15698772052373458 15870781972596688 31397544104746916 36701183311629841 62795088209493832 73402366623259682 125590176418987664 146804733246519364 293609466493038728 587218932986077456 1357943782530304117 2715887565060608234 5431775130121216468 10863550260242432936 21727100520484865872
• Sum of all divisors σ(n): 43517118691202615980
• Sum of proper divisors (its aliquot sum) s(n): 21790018170717750108
• 21727100520484865872 is an abundant number, because the sum of its proper divisors (21790018170717750108) is greater than itself. Its abundance is 62917650232884236

Bases of 21727100520484865872

• Binary: 10010110110000110001010101100111011101010101101001000011101010000₂
• Hexadecimal: 0x12D862ACEEAB48750
• Base-36: 4L2LQC9SH8WGG

Squares and roots of 21727100520484865872

• 21727100520484865872 squared (21727100520484865872²) is 472066897027253729479558001793830320384
• 21727100520484865872 cubed (21727100520484865872³) is 10256644924104520087616697577454249683521316102193027534848
• The square root of 21727100520484865872 is 4661233798.0930398587
• The cube root of 21727100520484865872 is 2790405.1055704707
• Being both a perfect square and a perfect cube, 21727100520484865872 is also a perfect sixth number.

Scales and comparisons

• 21,727,100,520,484,865,872 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 21,727,100,520,484,865,872 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 21727100520484865872 cubic inches would be around 232533.8 feet tall.

Recreational maths with 21727100520484865872

• 21727100520484865872 backwards is 27856848402500172712
• The number of decimal digits it has is: 20
• The sum of 21727100520484865872's digits is 79
• More coming soon!