2890142640

Names of 2890142640

• Cardinal: 2890142640 can be written as Two billion, eight hundred ninety million, one hundred forty-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.89014264 × 10⁹

Factors of 2890142640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 17405

Divisors of 2890142640

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 27 28 30 33 35 36 40 42 44 45 48 54 55 56 60 63 66 70 72 77 80 84 88 90 99 105 108 110 112 120 126 132 135 140 144 154 165 168 176 180 189 198 210 216 220 231 240 252 264 270 280 297 308 315 330 336 360 378 385 396 420 432 440 462 495 504 528 540 560 594 616 630 660 693 720 756 770 792 840 880 924 945 990 1008 1080 1155 1188 1232 1260 1320 1386 1485 1512 1540 1584 1680 1848 1890 1980 2079 2160 2310 2376 2520 2640 2772 2970 3024 3080 3465 3696 3780 3960 4158 4620 4752 5040 5544 5940 6160 6930 7560 7920 8316 9240 10395 11088 11880 13860 15120 16632 17377 18480 20790 23760 27720 33264 34754 41580 52131 55440 69508 83160 86885 104262 121639 139016 156393 166320 173770 191147 208524 243278 260655 278032 312786 347540 364917 382294 417048 469179 486556 521310 573441 608195 625572 695080 729834 764588 781965 834096 938358 955735 973112 1042620 1094751 1146882 1216390 1251144 1338029 1390160 1459668 1529176 1563930 1720323 1824585 1876716 1911470 1946224 2085240 2189502 2293764 2345895 2432780 2502288 2676058 2867205 2919336 3058352 3127860 3284253 3440646 3649170 3753432 3822940 4014087 4170480 4379004 4587528 4691790 4865560 5160969 5352116 5473755 5734410 5838672 6255720 6568506 6690145 6881292 7298340 7506864 7645880 8028174 8601615 8758008 9175056 9383580 9731120 10321938 10704232 10947510 11468820 12042261 12511440 13137012 13380290 13762584 14596680 15291760 16056348 16421265 17203230 17516016 18767160 20070435 20643876 21408464 21895020 22937640 24084522 25804845 26274024 26760580 27525168 29193360 32112696 32842530 34406460 36126783 37534320 40140870 41287752 43790040 45875280 48169044 51609690 52548048 53521160 60211305 64225392 65685060 68812920 72253566 80281740 82575504 87580080 96338088 103219380 107042320 120422610 131370120 137625840 144507132 160563480 180633915 192676176 206438760 240845220 262740240 289014264 321126960 361267830 412877520 481690440 578028528 722535660 963380880 1445071320 2890142640
• Sum of all divisors σ(n): 12412062720
• Sum of proper divisors (its aliquot sum) s(n): 9521920080
• 2890142640 is an abundant number, because the sum of its proper divisors (9521920080) is greater than itself. Its abundance is 6631777440

Bases of 2890142640

• Binary: 10101100010001000001001110110000₂
• Hexadecimal: 0xAC4413B0
• Base-36: 1BSPSC0

Squares and roots of 2890142640

• 2890142640 squared (2890142640²) is 8352924479546169600
• 2890142640 cubed (2890142640³) is 24141143207036192609631744000
• The square root of 2890142640 is 53760.0468749795
• The cube root of 2890142640 is 1424.4255634819

Scales and comparisons

• 2,890,142,640 seconds is equal to 91 years, 46 weeks, 4 days, 17 hours, 24 minutes.
• To count from 1 to 2,890,142,640 would take you about one hundred eighty-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 2890142640 cubic inches would be around 118.7 feet tall.

Recreational maths with 2890142640

• 2890142640 backwards is 0462410982
• 2890142640 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2890142640's digits is 36
• More coming soon!