2989745640

Names of 2989745640

• Cardinal: 2989745640 can be written as Two billion, nine hundred eighty-nine million, seven hundred forty-five thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.98974564 × 10⁹

Factors of 2989745640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 265

Divisors of 2989745640

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 81 84 90 97 105 108 120 126 135 140 151 162 168 180 189 194 210 216 243 252 270 280 291 302 315 324 360 378 388 405 420 453 485 486 504 540 567 582 604 630 648 679 729 755 756 776 810 840 873 906 945 970 972 1057 1080 1134 1164 1208 1215 1260 1358 1359 1455 1458 1510 1512 1620 1701 1746 1812 1890 1940 1944 2037 2114 2265 2268 2328 2430 2520 2619 2716 2718 2835 2910 2916 3020 3171 3240 3395 3402 3492 3624 3645 3780 3880 4074 4077 4228 4365 4530 4536 4860 5103 5238 5285 5432 5436 5670 5820 5832 6040 6111 6342 6790 6795 6804 6984 7290 7560 7857 8148 8154 8456 8505 8730 9060 9513 9720 10185 10206 10476 10570 10872 11340 11640 12222 12231 12684 13095 13580 13590 13608 14580 14647 15714 15855 16296 16308 17010 17460 18120 18333 19026 20370 20385 20412 20952 21140 22680 23571 24444 24462 25368 25515 26190 27160 27180 28539 29160 29294 30555 31428 31710 32616 34020 34920 36666 36693 38052 39285 40740 40770 40824 42280 43941 47142 47565 48888 48924 51030 52380 54360 54999 57078 58588 61110 61155 62856 63420 68040 70713 73235 73332 73386 76104 78570 81480 81540 85617 87882 91665 94284 95130 97848 102060 102529 104760 109998 110079 114156 117176 117855 122220 122310 126840 131823 141426 142695 146470 146664 146772 157140 163080 164997 171234 175764 183330 183465 188568 190260 204120 205058 219705 219996 220158 228312 235710 244440 244620 256851 263646 274995 282852 285390 292940 293544 307587 314280 329994 342468 351528 353565 366660 366930 380520 395469 410116 428085 439410 439992 440316 471420 489240 494991 512645 513702 527292 549990 550395 565704 570780 585880 615174 659115 659988 684936 707130 733320 733860 770553 790938 820232 824985 856170 878820 880632 922761 942840 989982 1025290 1027404 1054584 1099980 1100790 1141560 1186407 1230348 1284255 1318230 1319976 1414260 1467720 1537935 1541106 1581876 1649970 1712340 1757640 1845522 1977345 1979964 2050580 2054808 2199960 2201580 2372814 2460696 2474955 2568510 2636460 2768283 2828520 3075870 3082212 3163752 3299940 3424680 3559221 3691044 3852765 3954690 3959928 4101160 4403160 4613805 4745628 4949910 5137020 5272920 5536566 5932035 6151740 6164424 6599880 7118442 7382088 7705530 7909380 8304849 9227610 9491256 9899820 10274040 10677663 11073132 11864070 12303480 13841415 14236884 15411060 15818760 16609698 17796105 18455220 19799640 21355326 22146264 23728140 24914547 27682830 28473768 30822120 33219396 35592210 36910440 41524245 42710652 47456280 49829094 53388315 55365660 66438792 71184420 74743641 83048490 85421304 99658188 106776630 110731320 124572735 142368840 149487282 166096980 199316376 213553260 249145470 298974564 332193960 373718205 427106520 498290940 597949128 747436410 996581880 1494872820 2989745640
• Sum of all divisors σ(n): 11722556160
• Sum of proper divisors (its aliquot sum) s(n): 8732810520
• 2989745640 is an abundant number, because the sum of its proper divisors (8732810520) is greater than itself. Its abundance is 5743064880

Bases of 2989745640

• Binary: 10110010001100111110010111101000₂
• Hexadecimal: 0xB233E5E8
• Base-36: 1DG0MI0

Squares and roots of 2989745640

• 2989745640 squared (2989745640²) is 8938578991899009600
• 2989745640 cubed (2989745640³) is 26724077568825659271918144000
• The square root of 2989745640 is 54678.5665503403
• The cube root of 2989745640 is 1440.6044337561

Scales and comparisons

• 2,989,745,640 seconds is equal to 95 years, 3 weeks, 2 days, 12 hours, 54 minutes.
• To count from 1 to 2,989,745,640 would take you about one hundred ninety 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 2989745640 cubic inches would be around 120.1 feet tall.

Recreational maths with 2989745640

• 2989745640 backwards is 0465479892
• 2989745640 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2989745640's digits is 54
• More coming soon!