20845054720

Names of 20845054720

• Cardinal: 20845054720 can be written as Twenty billion, eight hundred forty-five million, fifty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.084505472 × 10¹⁰

Factors of 20845054720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 267

Divisors of 20845054720

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 49 56 62 64 70 71 80 98 112 124 128 140 142 151 155 160 196 217 224 245 248 256 280 284 302 310 320 355 392 434 448 490 496 497 560 568 604 620 640 710 755 784 868 896 980 992 994 1057 1085 1120 1136 1208 1240 1280 1420 1510 1519 1568 1736 1792 1960 1984 1988 2114 2170 2201 2240 2272 2416 2480 2485 2840 3020 3038 3136 3472 3479 3920 3968 3976 4228 4340 4402 4480 4544 4681 4832 4960 4970 5285 5680 6040 6076 6272 6944 6958 7399 7595 7840 7936 7952 8456 8680 8804 8960 9088 9362 9664 9920 9940 10570 10721 11005 11360 12080 12152 12544 13888 13916 14798 15190 15407 15680 15904 16912 17360 17395 17608 18176 18724 19328 19840 19880 21140 21442 22010 22720 23405 24160 24304 27776 27832 29596 30380 30814 31360 31808 32767 33824 34720 34790 35216 36995 37448 38656 39680 39760 42280 42884 44020 45440 46810 48320 48608 53605 55552 55664 59192 60760 61628 62720 63616 65534 67648 69440 69580 70432 73990 74896 75047 77035 79520 84560 85768 88040 90880 93620 96640 97216 107210 107849 111328 118384 121520 123256 127232 131068 135296 138880 139160 140864 147980 149792 150094 154070 159040 163835 169120 171536 176080 187240 193280 194432 214420 215698 222656 229369 236768 243040 246512 262136 270592 277760 278320 281728 295960 299584 300188 308140 318080 327670 332351 338240 343072 352160 374480 375235 388864 428840 431396 445312 458738 473536 486080 493024 524272 525329 539245 556640 563456 591920 599168 600376 616280 636160 655340 664702 676480 686144 704320 748960 750470 857680 862792 890624 917476 947072 972160 986048 1048544 1050658 1078490 1113280 1146845 1183840 1198336 1200752 1232560 1310680 1329404 1352960 1372288 1408640 1497920 1500940 1661755 1715360 1725584 1834952 1894144 1944320 1972096 2097088 2101316 2156980 2226560 2293690 2326457 2367680 2401504 2465120 2621360 2626645 2658808 2744576 2817280 2995840 3001880 3323510 3430720 3451168 3669904 3944192 4194176 4202632 4313960 4453120 4587380 4652914 4735360 4803008 4930240 5242720 5253290 5317616 5991680 6003760 6647020 6861440 6902336 7339808 8388352 8405264 8627920 9174760 9305828 9470720 9606016 9860480 10485440 10506580 10635232 11632285 12007520 13294040 13722880 13804672 14679616 16285199 16810528 17255840 18349520 18611656 19212032 19720960 20970880 21013160 21270464 23264570 24015040 26588080 27609344 29359232 32570398 33621056 34511680 36699040 37223312 41941760 42026320 42540928 46529140 48030080 53176160 58718464 65140796 67242112 69023360 73398080 74446624 81425995 84052640 85081856 93058280 96060160 106352320 130281592 134484224 138046720 146796160 148893248 162851990 168105280 186116560 212704640 260563184 293592320 297786496 325703980 336210560 372233120 425409280 521126368 595572992 651407960 672421120 744466240 1042252736 1302815920 1488932480 2084505472 2605631840 2977864960 4169010944 5211263680 10422527360 20845054720
• Sum of all divisors σ(n): 61203050496
• Sum of proper divisors (its aliquot sum) s(n): 40357995776
• 20845054720 is an abundant number, because the sum of its proper divisors (40357995776) is greater than itself. Its abundance is 19512941056

Bases of 20845054720

• Binary: 10011011010011101100100101100000000₂
• Hexadecimal: 0x4DA764B00
• Base-36: 9KQLV5S

Squares and roots of 20845054720

• 20845054720 squared (20845054720²) is 434516306279794278400
• 20845054720 cubed (20845054720³) is 9057516181134591363590914048000
• The square root of 20845054720 is 144378.1656622635
• The cube root of 20845054720 is 2752.1219862099

Scales and comparisons

• 20,845,054,720 seconds is equal to 662 years, 42 weeks, 4 hours, 58 minutes, 40 seconds.
• To count from 1 to 20,845,054,720 would take you about one thousand, three hundred twenty-five 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 20845054720 cubic inches would be around 229.3 feet tall.

Recreational maths with 20845054720

• 20845054720 backwards is 02745054802
• The number of decimal digits it has is: 11
• The sum of 20845054720's digits is 37
• More coming soon!