1989137436

Names of 1989137436

• Cardinal: 1989137436 can be written as One billion, nine hundred eighty-nine million, one hundred thirty-seven thousand, four hundred thirty-six.

Scientific notation

• Scientific notation: 1.989137436 × 10⁹

Factors of 1989137436

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 48

Divisors of 1989137436

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 11 12 13 19 22 26 33 38 39 44 52 57 66 76 78 114 132 143 156 169 209 228 247 286 338 361 418 429 494 507 572 627 676 722 741 836 858 988 1014 1083 1254 1444 1482 1716 1859 2028 2166 2197 2508 2717 2964 3211 3718 3971 4332 4394 4693 5434 5577 6422 6591 6859 7436 7942 8151 8788 9386 9633 10868 11154 11913 12844 13182 13718 14079 15884 16302 18772 19266 20577 22308 23826 24167 26364 27436 28158 32604 35321 38532 41154 41743 47652 48334 51623 56316 61009 70642 72501 75449 82308 83486 89167 96668 103246 105963 122018 125229 141284 145002 150898 154869 166972 178334 183027 206492 211926 226347 244036 250458 267501 290004 301796 309738 356668 366054 423852 452694 459173 500916 535002 619476 671099 732108 793117 905388 918346 980837 1070004 1159171 1342198 1377519 1586234 1836692 1961674 2013297 2318342 2379351 2684396 2755038 2942511 3172468 3477513 3923348 4026594 4636684 4758702 5510076 5885022 6955026 8053188 8724287 9517404 11770044 12750881 13910052 15069223 17448574 25501762 26172861 30138446 34897148 38252643 45207669 51003524 52345722 60276892 76505286 90415338 104691444 153010572 165761453 180830676 331522906 497284359 663045812 994568718 1989137436
• Sum of all divisors σ(n): 5789683200
• Sum of proper divisors (its aliquot sum) s(n): 3800545764
• 1989137436 is an abundant number, because the sum of its proper divisors (3800545764) is greater than itself. Its abundance is 1811408328

Bases of 1989137436

• Binary: 1110110100011111101010000011100₂
• Hexadecimal: 0x768FD41C
• Base-36: WWA49O

Squares and roots of 1989137436

• 1989137436 squared (1989137436²) is 3956667739296654096
• 1989137436 cubed (1989137436³) is 7870355922048462971896337856
• The square root of 1989137436 is 44599.7470396413
• The cube root of 1989137436 is 1257.6359123059

Scales and comparisons

• 1,989,137,436 seconds is equal to 63 years, 12 weeks, 6 days, 10 hours, 10 minutes, 36 seconds.
• To count from 1 to 1,989,137,436 would take you about one hundred twenty-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 1989137436 cubic inches would be around 104.8 feet tall.

Recreational maths with 1989137436

• 1989137436 backwards is 6347319891
• The number of decimal digits it has is: 10
• The sum of 1989137436's digits is 51
• More coming soon!