19909669428

Names of 19909669428

• Cardinal: 19909669428 can be written as Nineteen billion, nine hundred nine million, six hundred sixty-nine thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.9909669428 × 10¹⁰

Factors of 19909669428

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 192

Divisors of 19909669428

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 79 81 97 99 108 132 158 162 194 198 237 243 291 297 316 324 388 396 474 486 582 594 711 729 869 873 891 948 972 1067 1164 1188 1422 1458 1738 1746 1782 2133 2134 2187 2607 2619 2673 2844 2916 3201 3476 3492 3564 4266 4268 4374 5214 5238 5346 6399 6402 6561 7663 7821 7857 8019 8532 8748 9603 10428 10476 10692 12798 12804 13122 15326 15642 15714 16038 19197 19206 19683 22989 23463 23571 24057 25596 26244 28809 30652 31284 31428 32076 38394 38412 39366 45978 46926 47142 48114 57591 57618 59049 68967 70389 70713 72171 76788 78732 84293 86427 91956 93852 94284 96228 115182 115236 118098 137934 140778 141426 144342 168586 172773 172854 206901 211167 212139 216513 230364 236196 252879 259281 275868 281556 282852 288684 337172 345546 345708 413802 422334 424278 433026 505758 518319 518562 620703 633501 636417 649539 691092 758637 777843 827604 844668 848556 866052 1011516 1036638 1037124 1241406 1267002 1272834 1299078 1517274 1554957 1555686 1862109 1900503 1909251 2073276 2275911 2333529 2482812 2534004 2545668 2598156 3034548 3109914 3111372 3724218 3801006 3818502 4551822 4664871 4667058 5586327 5701509 5727753 6219828 6827733 7000587 7448436 7602012 7637004 9103644 9329742 9334116 11172654 11403018 11455506 13655466 14001174 16758981 17104527 18659484 20483199 21001761 22345308 22806036 22911012 27310932 28002348 33517962 34209054 40966398 42003522 50276943 51313581 61449597 63005283 67035924 68418108 81932796 84007044 100553886 102627162 122899194 126010566 150830829 184348791 201107772 205254324 245798388 252021132 301661658 368697582 452492487 553046373 603323316 737395164 904984974 1106092746 1659139119 1809969948 2212185492 3318278238 4977417357 6636556476 9954834714 19909669428
• Sum of all divisors σ(n): 58330634880
• Sum of proper divisors (its aliquot sum) s(n): 38420965452
• 19909669428 is an abundant number, because the sum of its proper divisors (38420965452) is greater than itself. Its abundance is 18511296024

Bases of 19909669428

• Binary: 10010100010101101010111001000110100₂
• Hexadecimal: 0x4A2B57234
• Base-36: 959PB90

Squares and roots of 19909669428

• 19909669428 squared (19909669428²) is 396394936732237847184
• 19909669428 cubed (19909669428³) is 7892092153271830088103820690752
• The square root of 19909669428 is 141101.6280132869
• The cube root of 19909669428 is 2710.3248671241

Scales and comparisons

• 19,909,669,428 seconds is equal to 633 years, 3 weeks, 2 days, 23 hours, 43 minutes, 48 seconds.
• To count from 1 to 19,909,669,428 would take you about one thousand, two hundred sixty-six 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 19909669428 cubic inches would be around 225.9 feet tall.

Recreational maths with 19909669428

• 19909669428 backwards is 82496690991
• The number of decimal digits it has is: 11
• The sum of 19909669428's digits is 63
• More coming soon!