2729961990

Names of 2729961990

• Cardinal: 2729961990 can be written as Two billion, seven hundred twenty-nine million, nine hundred sixty-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.72996199 × 10⁹

Factors of 2729961990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1118

Divisors of 2729961990

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 30 31 35 38 42 45 49 57 62 63 70 90 93 95 98 105 114 126 133 147 155 171 186 190 210 217 245 266 279 285 294 310 315 342 399 434 441 465 490 558 570 589 630 651 665 735 798 855 882 930 931 1051 1085 1178 1197 1302 1330 1395 1470 1519 1710 1767 1862 1953 1995 2102 2170 2205 2394 2790 2793 2945 3038 3153 3255 3534 3906 3990 4123 4410 4557 4655 5255 5301 5586 5890 5985 6306 6510 7357 7595 8246 8379 8835 9114 9310 9459 9765 10510 10602 11970 12369 13671 13965 14714 15190 15765 16758 17670 18918 19530 19969 20615 22071 22785 24738 26505 27342 27930 28861 31530 32581 36785 37107 39938 41230 41895 44142 45570 47295 51499 53010 57722 59907 61845 65162 66213 68355 73570 74214 83790 86583 94590 97743 99845 102998 110355 119814 123690 132426 136710 139783 144305 154497 162905 173166 179721 185535 195486 199690 220710 228067 257495 259749 279566 288610 293229 299535 308994 325810 331065 359442 371070 419349 432915 456134 463491 488715 514990 519498 586458 599070 619039 662130 684201 698915 772485 838698 865830 898605 926982 977430 978481 1140335 1238078 1258047 1298745 1368402 1397830 1466145 1544970 1596469 1797210 1857117 1956962 2052603 2096745 2280670 2317455 2516094 2597490 2932290 2935443 3095195 3192938 3421005 3714234 4105206 4193490 4333273 4634910 4789407 4892405 5571351 5870886 6190390 6290235 6842010 7982345 8666546 8806329 9285585 9578814 9784810 10263015 11142702 12580470 12999819 14368221 14677215 15964690 17612658 18571170 20526030 21666365 23947035 25999638 27856755 28736442 29354430 30332911 38999457 43332730 44031645 47894070 55713510 60665822 64999095 71841105 77998914 88063290 90998733 129998190 143682210 151664555 181997466 194997285 272996199 303329110 389994570 454993665 545992398 909987330 1364980995 2729961990
• Sum of all divisors σ(n): 8980208640
• Sum of proper divisors (its aliquot sum) s(n): 6250246650
• 2729961990 is an abundant number, because the sum of its proper divisors (6250246650) is greater than itself. Its abundance is 3520284660

Bases of 2729961990

• Binary: 10100010101101111110101000000110₂
• Hexadecimal: 0xA2B7EA06
• Base-36: 195CK5I

Squares and roots of 2729961990

• 2729961990 squared (2729961990²) is 7452692466844760100
• 2729961990 cubed (2729961990³) is 20345567157645530303668599000
• The square root of 2729961990 is 52249.0381729655
• The cube root of 2729961990 is 1397.6085004665

Scales and comparisons

• 2,729,961,990 seconds is equal to 86 years, 41 weeks, 5 days, 18 hours, 46 minutes, 30 seconds.
• To count from 1 to 2,729,961,990 would take you about one hundred seventy-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 2729961990 cubic inches would be around 116.5 feet tall.

Recreational maths with 2729961990

• 2729961990 backwards is 0991699272
• The number of decimal digits it has is: 10
• The sum of 2729961990's digits is 54
• More coming soon!