27979849920

Names of 27979849920

• Cardinal: 27979849920 can be written as Twenty-seven billion, nine hundred seventy-nine million, eight hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.797984992 × 10¹⁰

Factors of 27979849920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3846

Divisors of 27979849920

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 19 20 22 24 30 32 33 37 38 40 44 48 55 57 60 64 66 74 76 80 88 95 96 110 111 114 120 132 148 152 160 165 176 185 190 192 209 220 222 228 240 264 285 296 304 320 330 352 370 380 407 418 440 444 456 480 528 555 570 592 608 627 660 703 704 740 760 814 836 880 888 912 960 1045 1056 1110 1140 1184 1216 1221 1254 1320 1406 1480 1520 1628 1672 1760 1776 1824 2035 2090 2109 2112 2220 2280 2368 2442 2508 2640 2812 2960 3040 3135 3256 3344 3515 3520 3552 3648 3769 4070 4180 4218 4440 4560 4884 5016 5280 5624 5920 6080 6105 6270 6512 6688 7030 7104 7538 7733 8140 8360 8436 8880 9120 9768 10032 10545 10560 11248 11307 11840 12210 12540 13024 13376 14060 15076 15466 16280 16720 16872 17760 18240 18845 19536 20064 21090 22496 22614 23199 24420 25080 26048 28120 30152 30932 32560 33440 33744 35520 37690 38665 39072 40128 41459 42180 44992 45228 46398 48840 50160 56240 56535 60304 61864 65120 66880 67488 71611 75380 77330 78144 82918 84360 90456 92796 97680 100320 112480 113070 115995 120608 123728 124377 130240 134976 139453 143222 150760 154660 165836 168720 180912 185592 195360 200640 207295 214833 224960 226140 231990 241216 247456 248754 278906 286444 301520 309320 331672 337440 358055 361824 371184 390720 414590 418359 429666 452280 463980 494912 497508 557812 572888 603040 618640 621885 663344 674880 697265 716110 723648 742368 787721 829180 836718 859332 904560 927960 995016 1074165 1115624 1145776 1206080 1237280 1243770 1326688 1394530 1432220 1484736 1533983 1575442 1658360 1673436 1718664 1809120 1855920 1990032 2091795 2148330 2231248 2291552 2363163 2474560 2487540 2649607 2653376 2789060 2864440 3067966 3150884 3316720 3346872 3437328 3618240 3711840 3938605 3980064 4183590 4296660 4462496 4583104 4601949 4726326 4975080 5299214 5578120 5728880 6135932 6301768 6633440 6693744 6874656 7423680 7669915 7877210 7948821 7960128 8367180 8593320 8924992 9203898 9452652 9950160 10598428 11156240 11457760 11815815 12271864 12603536 13248035 13266880 13387488 13749312 15339830 15754420 15897642 16734360 17186640 18407796 18905304 19900320 21196856 22312480 22915520 23009745 23631630 24543728 25207072 26496070 26774976 29145677 30679660 31508840 31795284 33468720 34373280 36815592 37810608 39744105 39800640 42393712 44624960 46019490 47263260 49087456 50414144 52992140 58291354 61359320 63017680 63590568 66937440 68746560 73631184 75621216 79488210 84787424 87437031 92038980 94526520 98174912 105984280 116582708 122718640 126035360 127181136 133874880 145728385 147262368 151242432 158976420 169574848 174874062 184077960 189053040 211968560 233165416 245437280 252070720 254362272 291456770 294524736 317952840 349748124 368155920 378106080 423937120 437185155 466330832 490874560 508724544 582913540 635905680 699496248 736311840 756212160 847874240 874370310 932661664 1165827080 1271811360 1398992496 1472623680 1748740620 1865323328 2331654160 2543622720 2797984992 3497481240 4663308320 5595969984 6994962480 9326616640 13989924960 27979849920
• Sum of all divisors σ(n): 104797555200
• Sum of proper divisors (its aliquot sum) s(n): 76817705280
• 27979849920 is an abundant number, because the sum of its proper divisors (76817705280) is greater than itself. Its abundance is 48837855360

Bases of 27979849920

• Binary: 11010000011101110101010000011000000₂
• Hexadecimal: 0x683BAA0C0
• Base-36: CUQHADC

Squares and roots of 27979849920

• 27979849920 squared (27979849920²) is 782872001545724006400
• 27979849920 cubed (27979849920³) is 21904641109819365716813119488000
• The square root of 27979849920 is 167271.7845902289
• The cube root of 27979849920 is 3035.8603743237

Scales and comparisons

• 27,979,849,920 seconds is equal to 889 years, 34 weeks, 6 days, 20 hours, 32 minutes.
• To count from 1 to 27,979,849,920 would take you about one thousand, seven hundred seventy-nine 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 27979849920 cubic inches would be around 253 feet tall.

Recreational maths with 27979849920

• 27979849920 backwards is 02994897972
• 27979849920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 27979849920's digits is 66
• More coming soon!