20976979968

Names of 20976979968

• Cardinal: 20976979968 can be written as Twenty billion, nine hundred seventy-six million, nine hundred seventy-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0976979968 × 10¹⁰

Factors of 20976979968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 91

Divisors of 20976979968

• Number of divisors d(n): 520
• 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 79 84 96 98 108 112 126 128 144 147 158 168 189 192 196 216 224 237 252 256 288 294 316 336 343 378 384 392 432 441 448 474 504 512 553 576 588 632 672 686 711 756 768 784 864 882 896 948 1008 1024 1029 1106 1152 1176 1264 1323 1344 1372 1422 1512 1536 1568 1659 1728 1764 1792 1896 2016 2048 2058 2133 2212 2304 2352 2401 2528 2646 2688 2744 2844 3024 3072 3087 3136 3318 3456 3528 3584 3792 3871 4032 4096 4116 4266 4424 4608 4704 4802 4977 5056 5292 5376 5488 5688 6048 6144 6174 6272 6636 6912 7056 7168 7203 7584 7742 8064 8232 8532 8848 9216 9261 9408 9604 9954 10112 10584 10752 10976 11376 11613 12096 12288 12348 12544 13272 13824 14112 14336 14406 14931 15168 15484 16128 16464 17064 17696 18432 18522 18816 19208 19908 20224 21168 21504 21609 21952 22752 23226 24192 24696 25088 26544 27097 27648 28224 28672 28812 29862 30336 30968 32256 32928 34128 34839 35392 36864 37044 37632 38416 39816 40448 42336 43008 43218 43904 45504 46452 48384 49392 50176 53088 54194 55296 56448 57624 59724 60672 61936 64512 64827 65856 68256 69678 70784 74088 75264 76832 79632 80896 81291 84672 86016 86436 87808 91008 92904 96768 98784 100352 104517 106176 108388 110592 112896 115248 119448 121344 123872 129024 129654 131712 136512 139356 141568 148176 150528 153664 159264 161792 162582 169344 172872 175616 182016 185808 189679 193536 197568 200704 209034 212352 216776 225792 230496 238896 242688 243873 247744 258048 259308 263424 273024 278712 283136 296352 301056 307328 318528 323584 325164 338688 345744 351232 364032 371616 379358 387072 395136 418068 424704 433552 451584 460992 477792 485376 487746 495488 518616 526848 546048 557424 566272 569037 592704 602112 614656 637056 650328 677376 691488 702464 728064 731619 743232 758716 774144 790272 836136 849408 867104 903168 921984 955584 970752 975492 990976 1037232 1053696 1092096 1114848 1132544 1138074 1185408 1229312 1274112 1300656 1354752 1382976 1404928 1456128 1463238 1486464 1517432 1580544 1672272 1698816 1707111 1734208 1806336 1843968 1911168 1950984 1981952 2074464 2107392 2184192 2229696 2265088 2276148 2370816 2458624 2548224 2601312 2709504 2765952 2912256 2926476 2972928 3034864 3161088 3344544 3397632 3414222 3468416 3687936 3822336 3901968 3963904 4148928 4214784 4368384 4459392 4552296 4741632 4917248 5096448 5121333 5202624 5419008 5531904 5852952 5945856 6069728 6322176 6689088 6795264 6828444 6936832 7375872 7644672 7803936 7927808 8297856 8736768 8918784 9104592 9483264 9834496 10192896 10242666 10405248 11063808 11705904 11891712 12139456 12644352 13378176 13656888 13873664 14751744 15289344 15607872 15855616 16595712 17837568 18209184 18966528 20385792 20485332 20810496 22127616 23411808 23783424 24278912 26756352 27313776 27747328 29503488 30578688 31215744 33191424 35675136 36418368 37933056 40970664 41620992 44255232 46823616 47566848 48557824 53512704 54627552 55494656 61157376 62431488 66382848 71350272 72836736 81941328 83241984 88510464 93647232 97115648 107025408 109255104 110989312 124862976 132765696 142700544 145673472 163882656 166483968 187294464 194231296 214050816 218510208 249725952 265531392 291346944 327765312 332967936 374588928 388462592 428101632 437020416 499451904 582693888 655530624 749177856 776925184 874040832 998903808 1165387776 1311061248 1498355712 1748081664 2330775552 2622122496 2996711424 3496163328 5244244992 6992326656 10488489984 20976979968
• Sum of all divisors σ(n): 73417571200
• Sum of proper divisors (its aliquot sum) s(n): 52440591232
• 20976979968 is an abundant number, because the sum of its proper divisors (52440591232) is greater than itself. Its abundance is 31463611264

Bases of 20976979968

• Binary: 10011100010010100110101000000000000₂
• Hexadecimal: 0x4E2535000
• Base-36: 9MX5HC0

Squares and roots of 20976979968

• 20976979968 squared (20976979968²) is 440033688577873281024
• 20976979968 cubed (20976979968³) is 9230577870543198224082882527232
• The square root of 20976979968 is 144834.3190269487
• The cube root of 20976979968 is 2757.9157042615

Scales and comparisons

• 20,976,979,968 seconds is equal to 667 years, 1 day, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 20,976,979,968 would take you about one thousand, three hundred thirty-four 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 20976979968 cubic inches would be around 229.8 feet tall.

Recreational maths with 20976979968

• 20976979968 backwards is 86997967902
• 20976979968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20976979968's digits is 72
• More coming soon!