28490488992

Names of 28490488992

• Cardinal: 28490488992 can be written as Twenty-eight billion, four hundred ninety million, four hundred eighty-eight thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.8490488992 × 10¹⁰

Factors of 28490488992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 80

Divisors of 28490488992

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 31 32 36 37 42 48 54 56 62 63 72 74 81 84 93 96 108 111 112 124 126 144 148 162 168 186 189 216 217 222 224 248 252 259 279 288 296 324 333 336 372 378 432 434 444 496 504 518 558 567 592 648 651 666 672 744 756 777 837 864 868 888 992 999 1008 1036 1116 1134 1147 1184 1296 1302 1332 1369 1488 1512 1554 1674 1736 1776 1953 1998 2016 2072 2232 2268 2294 2331 2511 2592 2604 2664 2738 2976 2997 3024 3108 3348 3441 3472 3552 3906 3996 4107 4144 4464 4536 4588 4662 5022 5208 5328 5476 5859 5994 6048 6216 6696 6882 6944 6993 7812 7992 8029 8214 8288 8928 9072 9176 9324 9583 10044 10323 10416 10656 10952 11718 11988 12321 12432 13392 13764 13986 15624 15984 16058 16428 17577 18144 18352 18648 19166 20088 20646 20832 20979 21904 23436 23976 24087 24642 24864 26784 27528 27972 28749 30969 31248 31968 32116 32856 35154 36704 36963 37296 38332 40176 41292 41958 42439 43808 46872 47952 48174 49284 50653 55056 55944 57498 61938 62496 64232 65712 70308 72261 73926 74592 76664 80352 82584 83916 84878 86247 92907 93744 95904 96348 98568 101306 110112 110889 111888 114996 123876 127317 128464 131424 140616 144522 147852 151959 153328 165168 167832 169756 172494 185814 187488 192696 197136 202612 216783 221778 223776 229992 247752 254634 256928 258741 281232 289044 295704 297073 303918 306656 330336 335664 339512 344988 354571 371628 381951 385392 394272 405224 433566 443556 455877 459984 495504 509268 517482 562464 578088 591408 594146 607836 650349 671328 679024 689976 709142 743256 763902 770784 776223 810448 867132 887112 891219 911754 919968 991008 1018536 1034964 1063713 1145853 1156176 1182816 1188292 1215672 1300698 1358048 1367631 1379952 1418284 1486512 1527804 1552446 1570243 1620896 1734264 1774224 1782438 1823508 2037072 2069928 2127426 2291706 2312352 2376584 2431344 2601396 2673657 2735262 2759904 2836568 2973024 3055608 3104892 3140486 3191139 3437559 3468528 3548448 3564876 3647016 4074144 4102893 4139856 4254852 4583412 4710729 4753168 4862688 5202792 5347314 5470524 5673136 6111216 6209784 6280972 6382278 6875118 6937056 7129752 7294032 8020971 8205786 8279712 8509704 9166824 9421458 9506336 9573417 10405584 10694628 10941048 10991701 11346272 12222432 12419568 12561944 12764556 13750236 14132187 14259504 14588064 16041942 16411572 17019408 18333648 18842916 19146834 20811168 21389256 21882096 21983402 24062913 24839136 25123888 25529112 27500472 28264374 28519008 28720251 32083884 32823144 32975103 34038816 36667296 37685832 38293668 42396561 42778512 43764192 43966804 48125826 50247776 51058224 55000944 56528748 57440502 64167768 65646288 65950206 75371664 76587336 84793122 85557024 87933608 96251652 98925309 102116448 110001888 113057496 114881004 127189683 128335536 131292576 131900412 150743328 153174672 169586244 175867216 192503304 197850618 226114992 229762008 254379366 256671072 263800824 296775927 306349344 339172488 351734432 385006608 395701236 452229984 459524016 508758732 527601648 593551854 678344976 770013216 791402472 890327781 919048032 1017517464 1055203296 1187103708 1356689952 1582804944 1780655562 2035034928 2374207416 3165609888 3561311124 4070069856 4748414832 7122622248 9496829664 14245244496 28490488992
• Sum of all divisors σ(n): 101594465280
• Sum of proper divisors (its aliquot sum) s(n): 73103976288
• 28490488992 is an abundant number, because the sum of its proper divisors (73103976288) is greater than itself. Its abundance is 44613487296

Bases of 28490488992

• Binary: 11010100010001010100101110010100000₂
• Hexadecimal: 0x6A22A5CA0
• Base-36: D36I200

Squares and roots of 28490488992

• 28490488992 squared (28490488992²) is 811707963003273176064
• 28490488992 cubed (28490488992³) is 23125956784663497682620269887488
• The square root of 28490488992 is 168791.2586362221
• The cube root of 28490488992 is 3054.2175458063

Scales and comparisons

• 28,490,488,992 seconds is equal to 905 years, 47 weeks, 2 days, 43 minutes, 12 seconds.
• To count from 1 to 28,490,488,992 would take you about one thousand, eight hundred eleven 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 28490488992 cubic inches would be around 254.5 feet tall.

Recreational maths with 28490488992

• 28490488992 backwards is 29988409482
• 28490488992 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28490488992's digits is 63
• More coming soon!