20399077920

Names of 20399077920

• Cardinal: 20399077920 can be written as Twenty billion, three hundred ninety-nine million, seventy-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.039907792 × 10¹⁰

Factors of 20399077920

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 437

Divisors of 20399077920

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 17 19 20 24 26 29 30 32 34 38 39 40 48 51 52 57 58 60 65 68 76 78 80 85 87 95 96 102 104 114 116 120 130 136 145 152 156 160 170 174 190 195 204 208 221 228 232 240 247 255 260 272 285 290 304 312 323 340 348 349 377 380 390 408 416 435 442 456 464 480 493 494 510 520 544 551 570 580 608 624 646 663 680 696 698 741 754 760 780 816 870 884 912 928 969 986 988 1020 1040 1047 1102 1105 1131 1140 1160 1235 1248 1292 1326 1360 1392 1396 1479 1482 1508 1520 1560 1615 1632 1653 1740 1745 1768 1824 1885 1938 1972 1976 2040 2080 2094 2204 2210 2262 2280 2320 2465 2470 2584 2652 2720 2755 2784 2792 2958 2964 3016 3040 3120 3230 3306 3315 3480 3490 3536 3705 3770 3876 3944 3952 4080 4188 4199 4408 4420 4524 4537 4560 4640 4845 4930 4940 5168 5235 5304 5510 5584 5655 5916 5928 5933 6032 6240 6409 6460 6612 6630 6631 6960 6980 7072 7163 7395 7410 7540 7752 7888 7904 8160 8265 8376 8398 8816 8840 9048 9074 9120 9367 9690 9860 9880 10121 10336 10470 10608 11020 11168 11310 11832 11856 11866 12064 12597 12818 12920 13224 13260 13262 13611 13920 13960 14326 14790 14820 15080 15504 15776 16530 16752 16796 17632 17680 17799 18096 18148 18734 19227 19380 19720 19760 19893 20242 20940 20995 21216 21489 22040 22620 22685 23664 23712 23732 25194 25636 25840 26448 26520 26524 27222 27920 28101 28652 29580 29640 29665 30160 30363 31008 32045 33060 33155 33504 33592 35360 35598 35815 36192 36296 37468 38454 38760 39440 39520 39786 40484 41880 41990 42978 44080 45240 45370 46835 47328 47464 50388 50605 51272 51680 52896 53040 53048 54444 55840 56202 57304 59160 59280 59330 60320 60726 62985 64090 66120 66310 67184 68055 71196 71630 72592 74936 76908 77129 77520 78880 79572 80968 83760 83980 85956 86203 88160 88995 90480 90740 93670 94928 96135 99465 100776 101210 102544 106080 106096 107445 108888 112404 112727 114608 118320 118560 118660 121452 121771 125970 128180 131573 132240 132620 134368 136110 140505 142392 143260 145184 149872 151815 153816 154258 155040 159144 161936 167520 167960 171912 172057 172406 177990 180960 181480 187340 189856 192270 192299 198930 201552 202420 205088 212192 214890 217776 224808 225454 229216 231387 236640 237320 242904 243542 251940 256360 258609 263146 264480 265240 272220 281010 284784 286520 299744 303630 307632 308516 318288 323872 335920 338181 343824 344114 344812 355980 362960 365313 374680 384540 384598 385645 394719 397860 403104 404840 429780 431015 435552 449616 450908 462774 474640 485808 487084 503880 512720 516171 517218 526292 530480 544440 562020 563635 569568 573040 576897 607260 608855 615264 617032 636576 657865 671840 676362 687648 688228 689624 711960 725920 730626 749360 769080 769196 771290 789438 795720 809680 859560 860285 862030 899232 901816 925548 949280 961495 971616 974168 1007760 1025440 1032342 1034436 1052584 1060960 1088880 1124040 1127270 1146080 1153794 1156935 1214520 1217710 1234064 1293045 1315730 1352724 1376456 1379248 1423920 1461252 1465451 1498720 1538160 1538392 1542580 1578876 1591440 1619360 1690905 1719120 1720570 1724060 1803632 1826565 1851096 1922990 1948336 1973595 2015520 2064684 2068872 2105168 2177760 2236741 2248080 2254540 2307588 2313870 2429040 2435420 2468128 2499887 2580855 2586090 2631460 2705448 2752912 2758496 2847840 2884485 2922504 2930902 3076320 3076784 3085160 3157752 3182880 3269083 3381810 3438240 3441140 3448120 3607264 3653130 3702192 3845980 3896672 3947190 4129368 4137744 4210336 4396353 4473482 4496160 4509080 4615176 4627740 4858080 4870840 4999774 5161710 5172180 5262920 5410896 5505824 5768970 5845008 5861804 6153568 6170320 6315504 6538166 6710223 6763620 6882280 6896240 7306260 7327255 7404384 7499661 7691960 7894380 8258736 8275488 8792706 8946964 9018160 9230352 9255480 9741680 9807249 9999548 10323420 10344360 10525840 10821792 11183705 11537940 11690016 11723608 12340640 12499435 12631008 13076332 13420446 13527240 13764560 13792480 14612520 14654510 14999322 15383920 15788760 16345415 16517472 17585412 17893928 18036320 18460704 18510960 19483360 19614498 19999096 20646840 20688720 21051680 21981765 22367410 23075880 23447216 24998870 26152664 26840892 27054480 27529120 29225040 29309020 29998644 30767840 31577520 32690830 33551115 35170824 35787856 37021920 37498305 39228996 39998192 41293680 41377440 42498079 43963530 44734820 46151760 46894432 49036245 49997740 52305328 53681784 54108960 58450080 58618040 59997288 63155040 65381660 67102230 70341648 71575712 74996610 78457992 79996384 82587360 84996158 87927060 89469640 92303520 98072490 99995480 104610656 107363568 117236080 119994576 127494237 130763320 134204460 140683296 149993220 156915984 169992316 175854120 178939280 196144980 199990960 212490395 214727136 234472160 239989152 254988474 261526640 268408920 299986440 313831968 339984632 351708240 357878560 392289960 399981920 424980790 509976948 523053280 536817840 599972880 637471185 679969264 703416480 784579920 849961580 1019953896 1073635680 1199945760 1274942370 1359938528 1569159840 1699923160 2039907792 2549884740 3399846320 4079815584 5099769480 6799692640 10199538960 20399077920
• Sum of all divisors σ(n): 80015040000
• Sum of proper divisors (its aliquot sum) s(n): 59615962080
• 20399077920 is an abundant number, because the sum of its proper divisors (59615962080) is greater than itself. Its abundance is 39216884160

Bases of 20399077920

• Binary: 10010111111111000010011101000100000₂
• Hexadecimal: 0x4BFE13A20
• Base-36: 9DD319C

Squares and roots of 20399077920

• 20399077920 squared (20399077920²) is 416122379986231526400
• 20399077920 cubed (20399077920³) is 8488512853594985434194137088000
• The square root of 20399077920 is 142825.3406087309
• The cube root of 20399077920 is 2732.3532473985

Scales and comparisons

• 20,399,077,920 seconds is equal to 648 years, 32 weeks, 4 days, 10 hours, 32 minutes.
• To count from 1 to 20,399,077,920 would take you about one thousand, two hundred ninety-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 20399077920 cubic inches would be around 227.7 feet tall.

Recreational maths with 20399077920

• 20399077920 backwards is 02977099302
• 20399077920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20399077920's digits is 48
• More coming soon!