20745607680

Names of 20745607680

• Cardinal: 20745607680 can be written as Twenty billion, seven hundred forty-five million, six hundred seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.074560768 × 10¹⁰

Factors of 20745607680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 879

Divisors of 20745607680

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 53 54 56 60 63 64 70 72 80 84 90 96 105 106 108 112 120 126 128 135 140 144 159 160 168 180 189 192 210 212 216 224 240 252 256 265 270 280 288 315 318 320 336 360 371 378 384 420 424 432 448 477 480 504 512 530 540 560 576 630 636 640 672 720 742 756 768 795 809 840 848 864 896 945 954 960 1008 1060 1080 1113 1120 1152 1260 1272 1280 1344 1431 1440 1484 1512 1536 1590 1618 1680 1696 1728 1792 1855 1890 1908 1920 2016 2120 2160 2226 2240 2304 2385 2427 2520 2544 2560 2688 2862 2880 2968 3024 3180 3236 3339 3360 3392 3456 3584 3710 3780 3816 3840 4032 4045 4240 4320 4452 4480 4608 4770 4854 5040 5088 5376 5565 5663 5724 5760 5936 6048 6360 6472 6678 6720 6784 6912 7155 7281 7420 7560 7632 7680 8064 8090 8480 8640 8904 8960 9540 9708 10017 10080 10176 10752 11130 11326 11448 11520 11872 12096 12135 12720 12944 13356 13440 13568 13824 14310 14562 14840 15120 15264 16128 16180 16695 16960 16989 17280 17808 17920 19080 19416 20034 20160 20352 21843 22260 22652 22896 23040 23744 24192 24270 25440 25888 26712 26880 27136 28315 28620 29124 29680 30240 30528 32256 32360 33390 33920 33978 34560 35616 36405 38160 38832 40068 40320 40704 42877 43686 44520 45304 45792 47488 48384 48540 50085 50880 50967 51776 53424 53760 56630 57240 58248 59360 60480 61056 64720 66780 67840 67956 69120 71232 72810 76320 77664 80136 80640 81408 84945 85754 87372 89040 90608 91584 94976 96768 97080 100170 101760 101934 103552 106848 109215 113260 114480 116496 118720 120960 122112 128631 129440 133560 135680 135912 142464 145620 152640 152901 155328 160272 161280 169890 171508 174744 178080 181216 183168 189952 194160 200340 203520 203868 207104 213696 214385 218430 226520 228960 232992 237440 241920 244224 254835 257262 258880 267120 271824 284928 291240 300139 305280 305802 310656 320544 339780 343016 349488 356160 362432 366336 385893 388320 400680 407040 407736 414208 427392 428770 436860 453040 457920 465984 474880 483840 509670 514524 517760 534240 543648 569856 582480 600278 610560 611604 621312 641088 643155 679560 686032 698976 712320 724864 732672 764505 771786 776640 801360 815472 854784 857540 873720 900417 906080 915840 931968 949760 1019340 1029048 1035520 1068480 1087296 1157679 1164960 1200556 1221120 1223208 1242624 1282176 1286310 1359120 1372064 1397952 1424640 1449728 1500695 1529010 1543572 1553280 1602720 1630944 1709568 1715080 1747440 1800834 1812160 1831680 1863936 1929465 2038680 2058096 2071040 2136960 2174592 2315358 2329920 2401112 2446416 2564352 2572620 2701251 2718240 2744128 2795904 2849280 2899456 3001390 3058020 3087144 3106560 3205440 3261888 3430160 3494880 3601668 3624320 3663360 3727872 3858930 4077360 4116192 4273920 4349184 4502085 4630716 4659840 4802224 4892832 5128704 5145240 5402502 5436480 5488256 5591808 5788395 6002780 6116040 6174288 6213120 6410880 6523776 6860320 6989760 7203336 7248640 7717860 8103753 8154720 8232384 8547840 8698368 9004170 9261432 9319680 9604448 9785664 10290480 10805004 10872960 10976512 11183616 11576790 12005560 12232080 12348576 12821760 13047552 13506255 13720640 13979520 14406672 14497280 15435720 16207506 16309440 16464768 18008340 18522864 18639360 19208896 19571328 20580960 21610008 21745920 21953024 23153580 24011120 24464160 24697152 25643520 26095104 27012510 27441280 27959040 28813344 30871440 32415012 32618880 32929536 36016680 37045728 38417792 39142656 40518765 41161920 43220016 43491840 46307160 48022240 48928320 49394304 54025020 54882560 55918080 57626688 61742880 64830024 65237760 65859072 72033360 74091456 76835584 78285312 81037530 82323840 86440032 92614320 96044480 97856640 98788608 108050040 109765120 115253376 123485760 129660048 130475520 144066720 148182912 153671168 162075060 164647680 172880064 185228640 192088960 195713280 197577216 216100080 230506752 246971520 259320096 288133440 296365824 324150120 329295360 345760128 370457280 384177920 391426560 432200160 461013504 493943040 518640192 576266880 592731648 648300240 691520256 740914560 768355840 864400320 987886080 1037280384 1152533760 1296600480 1383040512 1481829120 1728800640 2074560768 2305067520 2593200960 2963658240 3457601280 4149121536 5186401920 6915202560 10372803840 20745607680
• Sum of all divisors σ(n): 85912358400
• Sum of proper divisors (its aliquot sum) s(n): 65166750720
• 20745607680 is an abundant number, because the sum of its proper divisors (65166750720) is greater than itself. Its abundance is 44421143040

Bases of 20745607680

• Binary: 10011010100100010001101101000000000₂
• Hexadecimal: 0x4D488DA00
• Base-36: 9J3EDC0

Squares and roots of 20745607680

• 20745607680 squared (20745607680²) is 430380238012474982400
• 20745607680 cubed (20745607680³) is 8928499571031828930685304832000
• The square root of 20745607680 is 144033.3561366949
• The cube root of 20745607680 is 2747.7384240253

Scales and comparisons

• 20,745,607,680 seconds is equal to 659 years, 33 weeks, 4 days, 4 hours, 48 minutes.
• To count from 1 to 20,745,607,680 would take you about one thousand, three hundred nineteen 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 20745607680 cubic inches would be around 229 feet tall.

Recreational maths with 20745607680

• 20745607680 backwards is 08670654702
• 20745607680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20745607680's digits is 45
• More coming soon!