28649385072

Names of 28649385072

• Cardinal: 28649385072 can be written as Twenty-eight billion, six hundred forty-nine million, three hundred eighty-five thousand and seventy-two.

Scientific notation

• Scientific notation: 2.8649385072 × 10¹⁰

Factors of 28649385072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 54

Divisors of 28649385072

• Number of divisors d(n): 800
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 31 33 36 42 44 48 49 54 56 62 63 66 72 77 81 84 88 93 98 99 108 112 124 126 132 144 147 154 162 168 176 186 189 196 198 216 217 231 243 248 252 264 279 294 297 308 324 336 341 343 372 378 392 396 432 434 441 462 486 496 504 528 539 558 567 588 594 616 648 651 682 686 693 729 744 756 784 792 837 868 882 891 924 972 1008 1023 1029 1078 1116 1134 1176 1188 1232 1296 1302 1323 1364 1372 1386 1458 1488 1512 1519 1584 1617 1674 1701 1736 1764 1782 1848 1944 1953 2046 2058 2079 2156 2187 2232 2268 2352 2376 2387 2401 2511 2604 2646 2673 2728 2744 2772 2916 3024 3038 3069 3087 3234 3348 3402 3472 3528 3564 3696 3773 3888 3906 3969 4092 4116 4158 4312 4374 4464 4536 4557 4752 4774 4802 4851 5022 5103 5208 5292 5346 5456 5488 5544 5832 5859 6076 6138 6174 6237 6468 6696 6804 7056 7128 7161 7203 7533 7546 7812 7938 8019 8184 8232 8316 8624 8748 9072 9114 9207 9261 9548 9604 9702 10044 10206 10416 10584 10633 10692 11088 11319 11664 11718 11907 12152 12276 12348 12474 12936 13392 13608 13671 14256 14322 14406 14553 15066 15092 15309 15624 15876 16038 16368 16464 16632 16709 17496 17577 18228 18414 18522 18711 19096 19208 19404 20088 20412 21168 21266 21384 21483 21609 22599 22638 23436 23814 24057 24304 24552 24696 24948 25872 26411 27216 27342 27621 27783 28644 28812 29106 30132 30184 30618 31248 31752 31899 32076 33264 33418 33957 34992 35154 35721 36456 36828 37044 37422 38192 38416 38808 40176 40824 41013 42532 42768 42966 43218 43659 45198 45276 46872 47628 48114 49104 49392 49896 50127 52731 52822 54684 55242 55566 56133 57288 57624 58212 60264 60368 61236 63504 63798 64152 64449 64827 66836 67797 67914 70308 71442 72912 73656 74088 74431 74844 77616 79233 81648 82026 82863 83349 85064 85932 86436 87318 90396 90552 93744 95256 95697 96228 99792 100254 101871 105462 105644 107163 109368 110484 111132 112266 114576 115248 116424 116963 120528 122472 123039 127596 128304 128898 129654 130977 133672 135594 135828 140616 142884 147312 148176 148862 149688 150381 158193 158466 164052 165726 166698 168399 170128 171864 172872 174636 180792 181104 190512 191394 192456 193347 194481 200508 203742 210924 211288 214326 218736 220968 222264 223293 224532 232848 233926 237699 244944 246078 248589 250047 255192 257796 259308 261954 267344 271188 271656 281232 285768 287091 297724 299376 300762 305613 316386 316932 328104 331452 333396 336798 343728 345744 349272 350889 361584 369117 382788 384912 386694 388962 392931 401016 407484 421848 422576 428652 441936 444528 446586 449064 451143 467852 474579 475398 492156 497178 500094 510384 515592 518616 523908 542376 543312 571536 574182 580041 583443 595448 601524 611226 632772 633864 656208 662904 666792 669879 673596 698544 701778 713097 738234 745767 750141 765576 773388 777924 785862 802032 814968 818741 843696 857304 861273 893172 898128 902286 916839 935704 949158 950796 984312 994356 1000188 1031184 1037232 1047816 1052667 1084752 1107351 1148364 1160082 1166886 1178793 1190896 1203048 1222452 1265544 1267728 1325808 1333584 1339758 1347192 1353429 1403556 1426194 1476468 1491534 1500282 1531152 1546776 1555848 1571724 1629936 1637482 1714608 1722546 1740123 1750329 1786344 1804572 1833678 1871408 1898316 1901592 1968624 1988712 2000376 2009637 2095632 2105334 2139291 2214702 2296728 2320164 2333772 2357586 2406096 2444904 2456223 2531088 2583819 2679516 2694384 2706858 2750517 2807112 2852388 2952936 2983068 3000564 3093552 3111696 3143448 3158001 3274964 3322053 3445092 3480246 3500658 3572688 3609144 3667356 3796632 3803184 3977424 4000752 4019274 4060287 4210668 4278582 4429404 4593456 4640328 4667544 4715172 4889808 4912446 5167638 5220369 5250987 5359032 5413716 5501034 5614224 5704776 5905872 5966136 6001128 6028911 6286896 6316002 6417873 6549928 6644106 6890184 6960492 7001316 7218288 7334712 7368669 7593264 7751457 8038548 8120574 8251551 8421336 8557164 8858808 9280656 9335088 9430344 9474003 9824892 10335276 10440738 10501974 10718064 10827432 11002068 11409552 11932272 12002256 12057822 12180861 12632004 12835746 13099856 13288212 13780368 13920984 14002632 14669424 14737338 15502914 16077096 16241148 16503102 16842672 17114328 17717616 18086733 18860688 18948006 19253619 19649784 20670552 20881476 21003948 21654864 22004136 22106007 23254371 24115644 24361722 25264008 25671492 26576424 27841968 28005264 28422009 29474676 31005828 32154192 32482296 33006204 34228656 36173466 36542583 37896012 38507238 39299568 41341104 41762952 42007896 44008272 44212014 46508742 48231288 48723444 50528016 51342984 53152848 54260199 56844018 57760857 58949352 62011656 64964592 66012408 66318021 72346932 73085166 75792024 77014476 83525904 84015792 85266027 88424028 93017484 96462576 97446888 102685968 108520398 113688036 115521714 117898704 124023312 132024816 132636042 144693864 146170332 151584048 154028952 162780597 170532054 176848056 186034968 194893776 198954063 217040796 227376072 231043428 255798081 265272084 289387728 292340664 308057904 325561194 341064108 353696112 372069936 397908126 434081592 454752144 462086856 511596162 530544168 584681328 596862189 651122388 682128216 795816252 868163184 924173712 1023192324 1061088336 1193724378 1302244776 1364256432 1591632504 1790586567 2046384648 2387448756 2604489552 3183265008 3581173134 4092769296 4774897512 7162346268 9549795024 14324692536 28649385072
• Sum of all divisors σ(n): 109365381120
• Sum of proper divisors (its aliquot sum) s(n): 80715996048
• 28649385072 is an abundant number, because the sum of its proper divisors (80715996048) is greater than itself. Its abundance is 52066610976

Bases of 28649385072

• Binary: 11010101011101000101110110001110000₂
• Hexadecimal: 0x6ABA2EC70
• Base-36: D5T3R00

Squares and roots of 28649385072

• 28649385072 squared (28649385072²) is 820787265003736445184
• 28649385072 cubed (28649385072³) is 23515050417285754936876835893248
• The square root of 28649385072 is 169261.2923027589
• The cube root of 28649385072 is 3059.8849783755

Scales and comparisons

• 28,649,385,072 seconds is equal to 910 years, 50 weeks, 2 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,649,385,072 would take you about one thousand, eight hundred twenty-one 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 28649385072 cubic inches would be around 255 feet tall.

Recreational maths with 28649385072

• 28649385072 backwards is 27058394682
• 28649385072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28649385072's digits is 54
• More coming soon!