19397221389

Names of 19397221389

• Cardinal: 19397221389 can be written as Nineteen billion, three hundred ninety-seven million, two hundred twenty-one thousand, three hundred eighty-nine.

Scientific notation

• Scientific notation: 1.9397221389 × 10¹⁰

Factors of 19397221389

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 302

Divisors of 19397221389

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 7 9 13 21 27 31 39 49 63 67 81 91 93 117 147 181 189 201 217 273 279 351 403 441 469 543 567 603 637 651 819 837 871 1053 1209 1267 1323 1407 1519 1629 1809 1911 1953 2077 2353 2457 2511 2613 2821 3283 3627 3801 3969 4221 4557 4887 5427 5611 5733 5859 6097 6231 7059 7371 7839 8463 8869 9849 10881 11403 12127 12663 13671 14539 14661 16471 16833 17199 17577 18291 18693 19747 21177 23517 25389 26607 27001 29547 32643 34209 36381 37989 39277 41013 42679 43617 49413 50499 51597 54873 56079 59241 63531 70551 72943 76167 79821 81003 84889 88641 101773 102627 109143 115297 117831 123039 128037 130851 148239 151497 157651 164619 168237 177723 189007 190593 218829 228501 239463 243009 254667 265923 274939 305319 327429 345891 353493 375937 384111 392553 444717 454491 472953 493857 510601 533169 567021 594223 656487 718389 729027 764001 824817 915957 982287 1037673 1060479 1103557 1127811 1152333 1177659 1323049 1334151 1418859 1531803 1599507 1701063 1782669 1969461 2187081 2292003 2474451 2631559 2747871 3113019 3181437 3310671 3383433 3456999 3574207 3969147 4256577 4595409 4887181 5103189 5348007 5908383 6876009 7423353 7724899 7894677 8243613 9339057 9932013 10150299 10722621 11907441 12769731 13786227 14661543 15309567 16044021 18420913 22270059 23174697 23684031 29796039 30450897 32167863 34210267 35722323 41358681 43984629 48132063 55262739 69524091 71052093 89388117 96503589 102630801 107166969 131953887 165788217 208572273 213156279 239471869 289510767 307892403 395861661 497364651 625716819 718415607 923677209 1492093953 2155246821 2771031627 6465740463 19397221389
• Sum of all divisors σ(n): 38240057856
• Sum of proper divisors (its aliquot sum) s(n): 18842836467
• 19397221389 is a deficient number, because the sum of its proper divisors (18842836467) is less than itself. Its deficiency is 554384922

Bases of 19397221389

• Binary: 10010000100001010100001110000001101₂
• Hexadecimal: 0x4842A1C0D
• Base-36: 8WSLRT9

Squares and roots of 19397221389

• 19397221389 squared (19397221389²) is 376252197613879089321
• 19397221389 cubed (19397221389³) is 7298247175214190234637142686869
• The square root of 19397221389 is 139273.9077824701
• The cube root of 19397221389 is 2686.8690921371

Scales and comparisons

• 19,397,221,389 seconds is equal to 616 years, 40 weeks, 21 hours, 3 minutes, 9 seconds.
• To count from 1 to 19,397,221,389 would take you about one thousand, two hundred thirty-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 19397221389 cubic inches would be around 223.9 feet tall.

Recreational maths with 19397221389

• 19397221389 backwards is 98312279391
• The number of decimal digits it has is: 11
• The sum of 19397221389's digits is 54
• More coming soon!