30777135921

Names of 30777135921

• Cardinal: 30777135921 can be written as Thirty billion, seven hundred seventy-seven million, one hundred thirty-five thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 3.0777135921 × 10¹⁰

Factors of 30777135921

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 180

Divisors of 30777135921

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 7 9 19 21 27 29 43 57 63 79 81 87 129 133 171 189 203 237 261 301 387 399 513 551 553 567 609 711 783 817 841 903 1161 1197 1247 1501 1539 1653 1659 1827 2133 2291 2349 2451 2523 2709 3397 3483 3591 3741 3857 4503 4959 4977 5481 5719 5887 6399 6873 7353 7569 8127 8729 10191 10507 10773 11223 11571 13509 14877 14931 15979 16037 16443 17157 17661 20619 22059 22707 23693 23779 24381 26187 30573 31521 33669 34713 36163 40527 43529 44631 44793 47937 48111 51471 52983 61857 64543 66177 66439 68121 71079 71337 78561 91719 94563 98513 101007 104139 108489 111853 121581 130587 143811 144333 154413 158949 165851 185571 193629 199317 213237 214011 235683 253141 275157 283689 295539 304703 312417 325467 335559 391761 431433 432999 451801 463239 465073 476847 497553 580887 597951 639711 642033 687097 689591 707049 759423 851067 886617 914109 976401 1006677 1175283 1262341 1294299 1298997 1355403 1395219 1492659 1742661 1793853 1871747 1919133 1926099 2061291 2068773 2278269 2659851 2742327 2856877 2929203 3020031 3525849 3787023 4066209 4185657 4477977 4809679 5227983 5381559 5615241 6183873 6206319 6834807 7979553 8226981 8570631 8836387 9060093 11361069 12198627 12556971 13102229 13433931 14429037 16845723 18551619 18618957 19998139 20504421 24680943 25711893 26509161 34083207 36595881 37670913 39306687 43287111 50537169 54280663 55654857 55856871 59994417 77135679 79527483 102249621 117920061 129861333 151611507 162841989 179983251 231407037 238582449 353760183 379964641 389583999 488525967 539949753 715747347 1061280549 1139893923 1465577901 1619849259 3419681769 4396733703 10259045307 30777135921
• Sum of all divisors σ(n): 59356211200
• Sum of proper divisors (its aliquot sum) s(n): 28579075279
• 30777135921 is a deficient number, because the sum of its proper divisors (28579075279) is less than itself. Its deficiency is 2198060642

Bases of 30777135921

• Binary: 11100101010011101011101001100110001₂
• Hexadecimal: 0x72A75D331
• Base-36: E4ZWU29

Squares and roots of 30777135921

• 30777135921 squared (30777135921²) is 947232095499708518241
• 30777135921 cubed (30777135921³) is 29153090951928181481784764834961
• The square root of 30777135921 is 175434.1355637493
• The cube root of 30777135921 is 3133.8345733345

Scales and comparisons

• 30,777,135,921 seconds is equal to 978 years, 32 weeks, 20 hours, 25 minutes, 21 seconds.
• To count from 1 to 30,777,135,921 would take you about one thousand, nine hundred fifty-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 30777135921 cubic inches would be around 261.2 feet tall.

Recreational maths with 30777135921

• 30777135921 backwards is 12953177703
• The number of decimal digits it has is: 11
• The sum of 30777135921's digits is 45
• More coming soon!