28149291072

Names of 28149291072

• Cardinal: 28149291072 can be written as Twenty-eight billion, one hundred forty-nine million, two hundred ninety-one thousand and seventy-two.

Scientific notation

• Scientific notation: 2.8149291072 × 10¹⁰

Factors of 28149291072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1771

Divisors of 28149291072

• Number of divisors d(n): 392
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 144 147 162 168 189 192 196 216 224 243 252 288 294 324 336 343 378 392 432 441 448 486 504 567 576 588 648 672 686 729 756 784 864 882 972 1008 1029 1134 1176 1296 1323 1344 1372 1458 1512 1568 1701 1728 1759 1764 1944 2016 2058 2268 2352 2592 2646 2744 2916 3024 3087 3136 3402 3518 3528 3888 3969 4032 4116 4536 4704 5103 5184 5277 5292 5488 5832 6048 6174 6804 7036 7056 7776 7938 8232 9072 9261 9408 10206 10554 10584 10976 11664 11907 12096 12313 12348 13608 14072 14112 15552 15831 15876 16464 18144 18522 20412 21108 21168 21952 23328 23814 24626 24696 27216 27783 28144 28224 31662 31752 32928 35721 36288 36939 37044 40824 42216 42336 46656 47493 47628 49252 49392 54432 55566 56288 63324 63504 65856 71442 73878 74088 81648 83349 84432 84672 86191 94986 95256 98504 98784 108864 110817 111132 112576 126648 127008 142479 142884 147756 148176 163296 166698 168864 172382 189972 190512 197008 197568 221634 222264 250047 253296 254016 258573 284958 285768 295512 296352 326592 332451 333396 337728 344764 379944 381024 394016 427437 443268 444528 500094 506592 517146 569916 571536 591024 592704 603337 664902 666792 689528 759888 762048 775719 788032 854874 886536 889056 997353 1000188 1013184 1034292 1139832 1143072 1182048 1206674 1282311 1329804 1333584 1379056 1519776 1551438 1709748 1773072 1778112 1810011 1994706 2000376 2068584 2279664 2286144 2327157 2364096 2413348 2564622 2659608 2667168 2758112 2992059 3039552 3102876 3419496 3546144 3620022 3989412 4000752 4137168 4559328 4654314 4826696 5129244 5319216 5334336 5430033 5516224 5984118 6205752 6838992 6981471 7092288 7240044 7978824 8001504 8274336 8976177 9118656 9308628 9653392 10258488 10638432 10860066 11968236 12411504 13677984 13962942 14480088 15957648 16003008 16290099 16548672 17952354 18617256 19306784 20516976 20944413 21276864 21720132 23936472 24823008 27355968 27925884 28960176 31915296 32580198 35904708 37234512 38613568 41033952 41888826 43440264 47872944 48870297 49646016 55851768 57920352 62833239 63830592 65160396 71809416 74469024 82067904 83777652 86880528 95745888 97740594 111703536 115840704 125666478 130320792 143618832 146610891 148938048 167555304 173761056 191491776 195481188 223407072 251332956 260641584 287237664 293221782 335110608 347522112 390962376 439832673 446814144 502665912 521283168 574475328 586443564 670221216 781924752 879665346 1005331824 1042566336 1172887128 1340442432 1563849504 1759330692 2010663648 2345774256 3127699008 3518661384 4021327296 4691548512 7037322768 9383097024 14074645536 28149291072
• Sum of all divisors σ(n): 97722944000
• Sum of proper divisors (its aliquot sum) s(n): 69573652928
• 28149291072 is an abundant number, because the sum of its proper divisors (69573652928) is greater than itself. Its abundance is 41424361856

Bases of 28149291072

• Binary: 11010001101110101000001100001000000₂
• Hexadecimal: 0x68DD41840
• Base-36: CXJD000

Squares and roots of 28149291072

• 28149291072 squared (28149291072²) is 792382587856178909184
• 28149291072 cubed (28149291072³) is 22305008105948192588327870005248
• The square root of 28149291072 is 167777.5046661501
• The cube root of 28149291072 is 3041.9762611501

Scales and comparisons

• 28,149,291,072 seconds is equal to 895 years, 3 weeks, 23 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,149,291,072 would take you about one thousand, seven 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 28149291072 cubic inches would be around 253.5 feet tall.

Recreational maths with 28149291072

• 28149291072 backwards is 27019294182
• The number of decimal digits it has is: 11
• The sum of 28149291072's digits is 45
• More coming soon!