20979745920

Names of 20979745920

• Cardinal: 20979745920 can be written as Twenty billion, nine hundred seventy-nine million, seven hundred forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.097974592 × 10¹⁰

Factors of 20979745920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 95

Divisors of 20979745920

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 37 40 41 42 45 48 49 56 60 63 64 70 72 74 80 82 84 90 96 98 105 111 112 120 123 126 128 140 144 147 148 160 164 168 180 185 192 196 205 210 222 224 240 245 246 252 259 280 287 288 294 296 315 320 328 333 336 343 360 369 370 384 392 410 420 441 444 448 480 490 492 504 518 555 560 574 576 588 592 615 630 640 656 666 672 686 720 735 738 740 777 784 820 840 861 882 888 896 960 980 984 1008 1029 1036 1110 1120 1148 1152 1176 1184 1230 1260 1295 1312 1332 1344 1372 1435 1440 1470 1476 1480 1517 1554 1568 1640 1665 1680 1715 1722 1764 1776 1813 1845 1920 1960 1968 2009 2016 2058 2072 2205 2220 2240 2296 2331 2352 2368 2401 2460 2520 2583 2590 2624 2664 2688 2744 2870 2880 2940 2952 2960 3034 3087 3108 3136 3280 3330 3360 3430 3444 3528 3552 3626 3690 3885 3920 3936 4018 4032 4116 4144 4305 4410 4440 4480 4551 4592 4662 4704 4736 4802 4920 5040 5145 5166 5180 5248 5328 5439 5488 5740 5760 5880 5904 5920 6027 6068 6174 6216 6272 6560 6660 6720 6860 6888 7056 7104 7203 7252 7380 7585 7770 7840 7872 8036 8064 8232 8288 8610 8820 8880 9065 9102 9184 9324 9408 9604 9840 10045 10080 10290 10332 10360 10619 10656 10878 10976 11480 11655 11760 11808 11840 12005 12054 12136 12348 12432 12691 12915 13120 13320 13440 13653 13720 13776 14063 14112 14208 14406 14504 14760 15170 15435 15540 15680 15744 16072 16317 16464 16576 17220 17640 17760 18081 18130 18204 18368 18648 18816 19208 19680 20090 20160 20580 20664 20720 21238 21312 21609 21756 21952 22755 22960 23310 23520 23616 23680 24010 24108 24272 24696 24864 25382 25830 26240 26640 27195 27306 27440 27552 28126 28224 28812 29008 29520 30135 30340 30870 31080 31360 31857 32144 32634 32928 33152 34440 35280 35520 36015 36162 36260 36408 36736 37296 38073 38416 39360 40180 40320 41160 41328 41440 42189 42476 42624 43218 43512 43904 45510 45920 46620 47040 47232 48020 48216 48544 49392 49728 50764 51660 53095 53280 54390 54612 54880 55104 56252 56448 57624 58016 59040 60270 60680 61740 62160 63455 63714 64288 65268 65856 68265 68880 70315 70560 71040 72030 72324 72520 72816 74333 74592 76146 76832 78720 80360 81585 82320 82656 82880 84378 84952 86436 87024 88837 90405 91020 91840 93240 94080 95571 96040 96432 97088 98441 98784 99456 101528 103320 106190 106560 108045 108780 109224 109760 110208 112504 114219 115248 116032 118080 120540 121360 123480 124320 126567 126910 127428 128576 130536 131712 136530 137760 140630 141120 144060 144648 145040 145632 148666 149184 152292 153664 159285 160720 163170 164640 165312 165760 168756 169904 172872 174048 177674 180810 182040 183680 186480 190365 191142 192080 192864 194176 196882 197568 203056 206640 210945 212380 213120 216090 217560 218448 219520 222999 225008 228438 230496 232064 236160 241080 242720 246960 248640 253134 253820 254856 257152 261072 266511 273060 275520 281260 282240 288120 289296 290080 291264 295323 297332 298368 304584 307328 318570 321440 326340 329280 330624 337512 339808 345744 348096 355348 361620 364080 371665 372960 380730 382284 384160 385728 393764 395136 406112 413280 421890 424760 432180 435120 436896 444185 445998 450016 456876 460992 477855 482160 485440 492205 493920 497280 506268 507640 509712 520331 522144 533022 546120 551040 562520 571095 576240 578592 580160 582528 590646 594664 609168 632835 637140 642880 652680 658560 668997 675024 679616 691488 696192 710696 723240 728160 743330 745920 761460 764568 768320 771456 787528 799533 812224 826560 843780 849520 864360 870240 873792 885969 888370 891996 900032 913752 921984 955710 964320 970880 984410 987840 1012536 1015280 1019424 1040662 1044288 1066044 1092240 1114995 1125040 1142190 1152480 1157184 1160320 1181292 1189328 1218336 1265670 1274280 1285760 1305360 1332555 1337994 1350048 1359232 1382976 1421392 1446480 1456320 1476615 1486660 1491840 1522920 1529136 1536640 1560993 1575056 1599066 1624448 1653120 1687560 1699040 1728720 1740480 1747584 1771938 1776740 1783992 1800064 1827504 1911420 1928640 1968820 1975680 2025072 2030560 2038848 2081324 2088576 2132088 2184480 2229990 2250080 2284380 2304960 2314368 2362584 2378656 2436672 2531340 2548560 2601655 2610720 2665110 2675988 2700096 2765952 2842784 2892960 2912640 2953230 2973320 3045840 3058272 3121986 3150112 3198132 3344985 3375120 3398080 3457440 3480960 3543876 3553480 3567984 3642317 3655008 3822840 3857280 3937640 3997665 4050144 4061120 4077696 4162648 4264176 4368960 4429845 4459980 4500160 4568760 4609920 4682979 4725168 4757312 4873344 5062680 5097120 5203310 5221440 5330220 5351976 5400192 5685568 5785920 5906460 5946640 6091680 6116544 6243972 6300224 6396264 6689970 6750240 6796160 6914880 7087752 7106960 7135968 7284634 7310016 7645680 7804965 7875280 7995330 8100288 8122240 8325296 8528352 8737920 8859690 8919960 9000320 9137520 9365958 9450336 9514624 10125360 10194240 10406620 10442880 10660440 10703952 10926951 11371136 11571840 11812920 11893280 12183360 12233088 12487944 12600448 12792528 13379940 13500480 13829760 14175504 14213920 14271936 14569268 14620032 15291360 15609930 15750560 15990660 16200576 16650592 17056704 17719380 17839920 18211585 18275040 18731916 18900672 20250720 20388480 20813240 21320880 21407904 21853902 23414895 23625840 23786560 24366720 24975888 25585056 26759880 27000960 28351008 28427840 28543872 29138536 30582720 31219860 31501120 31981320 32780853 33301184 34113408 35438760 35679840 36423170 36550080 37463832 37801344 40501440 41626480 42641760 42815808 43707804 46829790 47251680 47573120 49951776 51170112 53519760 54634755 56702016 56855680 58277072 61165440 62439720 63002240 63962640 65561706 66602368 70877520 71359680 72846340 73100160 74927664 81002880 83252960 85283520 85631616 87415608 93659580 94503360 99903552 102340224 107039520 109269510 113404032 116554144 124879440 127925280 131123412 141755040 142719360 145692680 149855328 163904265 166505920 170567040 174831216 187319160 189006720 199807104 214079040 218539020 233108288 249758880 255850560 262246824 283510080 291385360 299710656 327808530 333011840 349662432 374638320 428158080 437078040 466216576 499517760 511701120 524493648 567020160 582770720 599421312 655617060 699324864 749276640 874156080 999035520 1048987296 1165541440 1311234120 1398649728 1498553280 1748312160 2097974592 2331082880 2622468240 2997106560 3496624320 4195949184 5244936480 6993248640 10489872960 20979745920
• Sum of all divisors σ(n): 88916176440
• Sum of proper divisors (its aliquot sum) s(n): 67936430520
• 20979745920 is an abundant number, because the sum of its proper divisors (67936430520) is greater than itself. Its abundance is 46956684600

Bases of 20979745920

• Binary: 10011100010011111011000010010000000₂
• Hexadecimal: 0x4E27D8480
• Base-36: 9MYSRK0

Squares and roots of 20979745920

• 20979745920 squared (20979745920²) is 440149738867756646400
• 20979745920 cubed (20979745920³) is 9234229688199882921863282688000
• The square root of 20979745920 is 144843.8673883019
• The cube root of 20979745920 is 2758.0369153417

Scales and comparisons

• 20,979,745,920 seconds is equal to 667 years, 4 weeks, 5 days, 3 hours, 12 minutes.
• To count from 1 to 20,979,745,920 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 20979745920 cubic inches would be around 229.8 feet tall.

Recreational maths with 20979745920

• 20979745920 backwards is 02954797902
• The number of decimal digits it has is: 11
• The sum of 20979745920's digits is 54
• More coming soon!