19898009802

Names of 19898009802

• Cardinal: 19898009802 can be written as Nineteen billion, eight hundred ninety-eight million, nine thousand, eight hundred two.

Scientific notation

• Scientific notation: 1.9898009802 × 10¹⁰

Factors of 19898009802

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 120

Divisors of 19898009802

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 43 54 61 66 81 86 99 121 122 129 162 183 198 242 243 258 297 363 366 387 473 486 549 594 671 726 729 774 891 946 1089 1098 1161 1342 1419 1458 1647 1782 1849 2013 2178 2322 2623 2673 2838 3267 3294 3483 3698 4026 4257 4941 5203 5246 5346 5547 6039 6534 6966 7381 7869 8019 8514 9801 9882 10406 10449 11094 12078 12771 14762 14823 15609 15738 16038 16641 18117 19602 20339 20898 22143 23607 25542 28853 29403 29646 31218 31347 33282 36234 38313 40678 44286 44469 46827 47214 49923 54351 57706 58806 61017 62694 66429 70821 76626 86559 88209 88938 93654 99846 108702 112789 114939 122034 132858 140481 141642 149769 163053 173118 176418 183051 199287 212463 223729 225578 229878 259677 280962 299538 317383 326106 338367 344817 366102 398574 421443 424926 447458 449307 489159 519354 549153 597861 634766 637389 671187 676734 689634 779031 842886 898614 952149 978318 1015101 1098306 1195722 1240679 1264329 1274778 1342374 1347921 1558062 1647459 1793583 1904298 1912167 2013561 2030202 2337093 2481358 2528658 2695842 2856447 3045303 3294918 3587166 3722037 3792987 3824334 4027122 4674186 4942377 5380749 5712894 6040683 6090606 7011279 7444074 7585974 8569341 9135909 9884754 10761498 11166111 12081366 13647469 14022558 14827131 17138682 18122049 18271818 21033837 22332222 25708023 27294938 27407727 29654262 33498333 36244098 40942407 42067674 51416046 54366147 54815454 66996666 77124069 81884814 82223181 100494999 108732294 122827221 154248138 163098441 164446362 200989998 231372207 245654442 301484997 326196882 368481663 462744414 602969994 736963326 904454991 1105444989 1808909982 2210889978 3316334967 6632669934 9949004901 19898009802
• Sum of all divisors σ(n): 51184134162
• Sum of proper divisors (its aliquot sum) s(n): 31286124360
• 19898009802 is an abundant number, because the sum of its proper divisors (31286124360) is greater than itself. Its abundance is 11388114558

Bases of 19898009802

• Binary: 10010100010000000111000100011001010₂
• Hexadecimal: 0x4A20388CA
• Base-36: 952REMI

Squares and roots of 19898009802

• 19898009802 squared (19898009802²) is 395930794080488079204
• 19898009802 cubed (19898009802³) is 7878234821527195376945344357608
• The square root of 19898009802 is 141060.3055504985
• The cube root of 19898009802 is 2709.7956846369

Scales and comparisons

• 19,898,009,802 seconds is equal to 632 years, 36 weeks, 1 day, 56 minutes, 42 seconds.
• To count from 1 to 19,898,009,802 would take you about one thousand, two hundred sixty-five 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 19898009802 cubic inches would be around 225.8 feet tall.

Recreational maths with 19898009802

• 19898009802 backwards is 20890089891
• 19898009802 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19898009802's digits is 54
• More coming soon!