21088708641

Names of 21088708641

• Cardinal: 21088708641 can be written as Twenty-one billion, eighty-eight million, seven hundred eight thousand, six hundred forty-one.

Scientific notation

• Scientific notation: 2.1088708641 × 10¹⁰

Factors of 21088708641

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 213

Divisors of 21088708641

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 9 11 13 17 21 27 33 39 49 51 63 77 79 83 91 99 117 119 143 147 153 187 189 221 231 237 249 273 297 351 357 429 441 459 539 553 561 581 637 663 693 711 747 819 833 869 913 1001 1027 1071 1079 1287 1309 1323 1343 1411 1547 1617 1659 1683 1743 1911 1989 2079 2133 2241 2431 2457 2499 2607 2739 3003 3081 3213 3237 3861 3871 3927 4029 4067 4233 4641 4851 4977 5049 5229 5733 5967 6083 6391 6557 7007 7189 7293 7497 7553 7821 8217 9009 9163 9243 9401 9711 9877 10829 11297 11613 11781 11869 12087 12201 12699 13923 14553 14773 14931 15521 15687 17017 17199 17459 18249 18343 19173 19671 21021 21567 21879 22491 22659 23463 24651 27027 27489 27729 28203 29133 29631 32487 33891 34839 35343 35607 36261 36603 38097 41769 42581 44319 44737 45899 46563 50323 51051 52377 52871 54747 55029 57519 59013 63063 64701 65637 65807 67977 69139 72127 79079 82467 83083 84609 85241 88893 97461 101673 103411 104517 106821 108647 109809 111469 119119 122213 127743 128401 132957 134211 137697 139689 150969 153153 157131 158613 164241 165087 172557 177039 189189 192049 194103 197421 201773 203931 207417 216381 237237 247401 249249 253827 255723 266679 292383 305019 310233 320463 321293 325941 334407 357357 366639 383229 385203 398871 402633 413091 419067 452907 459459 471393 475839 495261 504889 553553 576147 581581 592263 596687 605319 622251 649143 711711 723877 747747 760529 767169 780283 855491 898807 930699 937651 963879 977823 1003221 1072071 1099917 1149687 1155609 1207899 1226159 1239273 1344343 1358721 1412411 1427517 1449097 1514667 1660659 1728441 1744743 1776789 1790061 1815957 1866753 1947429 2135133 2171631 2243241 2281587 2301507 2340849 2566473 2696421 2792097 2812953 2891637 2933469 3009663 3216213 3299751 3466827 3534223 3678477 4033029 4176809 4237233 4347291 4544001 4981977 5185323 5234229 5370183 5447871 5461981 6514893 6563557 6844761 7022547 7699419 8089263 8438859 8583113 8674911 9410401 9886877 10143679 10602669 11035431 12099087 12530427 12711699 13041873 13632003 14945931 15702687 15940067 16110549 16385943 19544679 19690671 20534283 21067641 23098257 24267789 25316577 25749339 28231203 29660631 30431037 31808007 33106293 36297261 37591281 38135097 39125619 45944899 47820201 49157829 59072013 60081791 71005753 77248017 84693609 88981893 91293111 95424021 111580469 112773843 137834697 143460603 147473487 177216039 180245373 213017259 231744051 254080827 266945679 273879333 334741407 413504091 430381809 540736119 639051777 781063283 1004224221 1240512273 1622208357 1917155331 2343189849 3012672663 7029569547 21088708641
• Sum of all divisors σ(n): 46332518400
• Sum of proper divisors (its aliquot sum) s(n): 25243809759
• 21088708641 is an abundant number, because the sum of its proper divisors (25243809759) is greater than itself. Its abundance is 4155101118

Bases of 21088708641

• Binary: 10011101000111111000010100000100001₂
• Hexadecimal: 0x4E8FC2821
• Base-36: 9ORO7Q9

Squares and roots of 21088708641

• 21088708641 squared (21088708641²) is 444733632144988066881
• 21088708641 cubed (21088708641³) is 9378857991159325210875230618721
• The square root of 21088708641 is 145219.5188017093
• The cube root of 21088708641 is 2762.8034876231

Scales and comparisons

• 21,088,708,641 seconds is equal to 670 years, 28 weeks, 6 days, 6 hours, 37 minutes, 21 seconds.
• To count from 1 to 21,088,708,641 would take you about one thousand, three hundred forty-one 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 21088708641 cubic inches would be around 230.2 feet tall.

Recreational maths with 21088708641

• 21088708641 backwards is 14680788012
• The number of decimal digits it has is: 11
• The sum of 21088708641's digits is 45
• More coming soon!