21720315095739

Names of 21720315095739

• Cardinal: 21720315095739 can be written as Twenty-one trillion, seven hundred twenty billion, three hundred fifteen million, ninety-five thousand, seven hundred thirty-nine.

Scientific notation

• Scientific notation: 2.1720315095739 × 10¹³

Factors of 21720315095739

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 305

Divisors of 21720315095739

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 9 13 17 27 31 39 51 81 93 117 153 169 221 241 279 351 403 459 507 527 663 723 837 961 1053 1209 1377 1521 1581 1989 2169 2197 2511 2873 2883 3133 3627 4097 4563 4743 5239 5967 6507 6591 6851 7471 8619 8649 9399 10881 12291 12493 13689 14229 15717 16337 17901 19521 19773 20553 22413 25857 25947 28197 29791 32643 36873 37349 37479 40729 42687 47151 49011 53261 59319 61659 67239 68107 77571 77841 84591 89063 89373 97123 110619 112047 112437 122187 127007 141453 147033 159783 162409 177957 184977 201717 204321 212381 231601 232713 253773 267189 268119 291369 331857 336141 337311 366561 381021 387283 424359 441099 479349 487227 506447 529477 554931 605151 612963 637143 692393 694803 801567 804357 874107 1008423 1011933 1099683 1143063 1157819 1161849 1262599 1323297 1438047 1461681 1519341 1588431 1651091 1838889 1911429 2077179 2084409 2111317 2404701 2413071 2622321 2760953 3010813 3025269 3299049 3429189 3473457 3485547 3787797 3937217 4314141 4385043 4558023 4765293 4953273 5034679 5516667 5734287 6231537 6253227 6333951 6583811 7179631 7214103 7866963 8282859 9001109 9032439 10287567 10420371 10456641 11363391 11811651 13155129 13674069 14295879 14859819 15104037 16413787 17202861 18694611 18759681 19001853 19751433 21464183 21538893 24848577 27003327 27097317 31261113 31369923 34090173 35434953 35892389 39140569 41022207 42887637 44579457 45312111 49241361 51183821 56083833 57005559 59254299 64392549 64616679 65450827 74545731 81009981 81291951 85589543 93335203 93783339 102270519 106304859 107677167 117421707 122053727 133738371 135936333 147724083 153551463 171016677 177762897 193177647 193850037 196352481 223637193 243029943 243875853 256768629 279034379 280005609 318914577 323031501 352265121 366161181 407808999 443172249 460654389 508827397 533288691 579532941 581550111 589057443 665389673 729089829 770305887 837103137 840016827 969094503 1056795363 1098483543 1112664059 1213357639 1329516747 1381963167 1526482191 1586698451 1738598823 1767172329 1996169019 2310917661 2511309411 2520050481 2907283509 3170386089 3295450629 3337992177 3640072917 4145889501 4579446573 4760095353 5301516987 5988507057 6932752983 7533928233 7560151443 8650065749 9886351887 10013976531 10920218751 13738339719 14280286059 15773649307 17965521171 20627079863 22601784699 25950197247 30041929593 32760656253 41215019157 42840858177 47320947921 53896563513 61881239589 77850591741 90125788779 98281968759 128522574531 141962843763 185643718767 233551775223 268152038219 425888531289 556931156301 700655325669 804456114657 1277665593867 1670793468903 2413368343971 7240105031913 21720315095739
• Sum of all divisors σ(n): 38616708049920
• Sum of proper divisors (its aliquot sum) s(n): 16896392954181
• 21720315095739 is a deficient number, because the sum of its proper divisors (16896392954181) is less than itself. Its deficiency is 4823922141558

Bases of 21720315095739

• Binary: 100111100000100100111101010100110101010111011₂
• Hexadecimal: 0x13C127AA6ABB
• Base-36: 7P66AT0OR

Squares and roots of 21720315095739

• 21720315095739 squared (21720315095739²) is 471772087858187484735956121
• 21720315095739 cubed (21720315095739³) is 10247038401654495416977670375433818068419
• The square root of 21720315095739 is 4660505.8841008879
• The cube root of 21720315095739 is 27901.1459196005

Scales and comparisons

• 21,720,315,095,739 seconds is equal to 690,638 years, 43 weeks, 2 days, 19 hours, 55 minutes, 39 seconds.
• To count from 1 to 21,720,315,095,739 would take you about one million, seven hundred twenty-six thousand, five hundred ninety-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 21720315095739 cubic inches would be around 2325.1 feet tall.

Recreational maths with 21720315095739

• 21720315095739 backwards is 93759051302712
• The number of decimal digits it has is: 14
• The sum of 21720315095739's digits is 54
• More coming soon!