28900931472

Names of 28900931472

• Cardinal: 28900931472 can be written as Twenty-eight billion, nine hundred million, nine hundred thirty-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.8900931472 × 10¹⁰

Factors of 28900931472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3651

Divisors of 28900931472

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 36 37 42 48 49 56 62 63 72 74 84 93 98 111 112 124 126 144 147 148 168 186 196 217 222 248 252 259 279 294 296 333 336 372 392 434 441 444 496 504 518 558 588 592 651 666 744 777 784 868 882 888 1008 1036 1116 1147 1176 1302 1332 1488 1519 1554 1736 1764 1776 1813 1953 2072 2232 2294 2331 2352 2604 2664 3038 3108 3441 3472 3528 3571 3626 3906 4144 4464 4557 4588 4662 5208 5328 5439 6076 6216 6882 7056 7142 7252 7812 8029 9114 9176 9324 10323 10416 10713 10878 12152 12432 13671 13764 14284 14504 15624 16058 16317 18228 18352 18648 20646 21426 21756 24087 24304 24997 27342 27528 28568 29008 31248 32116 32139 32634 36456 37296 41292 42852 43512 48174 49994 54684 55056 56203 57136 64232 64278 65268 72261 72912 74991 82584 85704 87024 96348 99988 109368 110701 112406 128464 128556 130536 132127 144522 149982 165168 168609 171408 174979 192696 199976 218736 221402 224812 224973 257112 261072 264254 289044 299964 332103 337218 349958 385392 396381 399952 442804 449624 449946 505827 514224 524937 528508 578088 599928 664206 674436 699916 774907 792762 885608 899248 899892 924889 996309 1011654 1049874 1057016 1156176 1189143 1199856 1328412 1348872 1399832 1549814 1574811 1585524 1771216 1799784 1849778 1992618 2023308 2099748 2114032 2324721 2378286 2656824 2697744 2774667 2799664 3099628 3149622 3171048 3599568 3699556 3985236 4046616 4095937 4199496 4649442 4756572 5313648 5424349 5549334 6199256 6299244 6342096 6474223 6974163 7399112 7970472 8093232 8191874 8324001 8398992 9298884 9513144 10848698 11098668 12287811 12398512 12598488 12948446 13948326 14798224 15940944 16273047 16383748 16648002 18597768 19026288 19422669 21697396 22197336 24575622 25196976 25896892 27896652 28671559 32546094 32767496 33296004 36863433 37195536 38845338 43394792 44394672 48819141 49151244 51793784 55793304 57343118 58268007 65092188 65534992 66592008 73726866 77690676 86014677 86789584 97638282 98302488 103587568 111586608 114686236 116536014 130184376 133184016 147453732 155381352 172029354 195276564 196604976 200700913 229372472 233072028 258044031 260368752 294907464 310762704 344058708 390553128 401401826 458744944 466144056 516088062 589814928 602102739 688117416 781106256 802803652 932288112 1032176124 1204205478 1376234832 1605607304 1806308217 2064352248 2408410956 3211214608 3612616434 4128704496 4816821912 7225232868 9633643824 14450465736 28900931472
• Sum of all divisors σ(n): 99775732992
• Sum of proper divisors (its aliquot sum) s(n): 70874801520
• 28900931472 is an abundant number, because the sum of its proper divisors (70874801520) is greater than itself. Its abundance is 41973870048

Bases of 28900931472

• Binary: 11010111010101000010011011110010000₂
• Hexadecimal: 0x6BAA13790
• Base-36: D9YV9G0

Squares and roots of 28900931472

• 28900931472 squared (28900931472²) is 835263839949240086784
• 28900931472 cubed (28900931472³) is 24139902999412563706619716866048
• The square root of 28900931472 is 170002.7396014547
• The cube root of 28900931472 is 3068.8143296345

Scales and comparisons

• 28,900,931,472 seconds is equal to 918 years, 49 weeks, 6 days, 12 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,900,931,472 would take you about one thousand, eight hundred thirty-seven 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 28900931472 cubic inches would be around 255.7 feet tall.

Recreational maths with 28900931472

• 28900931472 backwards is 27413900982
• The number of decimal digits it has is: 11
• The sum of 28900931472's digits is 45
• More coming soon!