20720946400

Names of 20720946400

• Cardinal: 20720946400 can be written as Twenty billion, seven hundred twenty million, nine hundred forty-six thousand, four hundred.

Scientific notation

• Scientific notation: 2.07209464 × 10¹⁰

Factors of 20720946400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 510

Divisors of 20720946400

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 17 20 22 25 28 32 34 35 40 44 47 50 55 56 68 70 77 80 85 88 94 100 110 112 119 136 140 154 160 170 175 176 187 188 200 220 224 235 238 272 275 280 308 329 340 350 352 374 376 385 400 421 425 440 470 476 517 544 550 560 595 616 658 680 700 748 752 770 799 800 842 850 880 935 940 952 1034 1100 1120 1175 1190 1232 1309 1316 1360 1400 1496 1504 1540 1598 1645 1684 1700 1760 1870 1880 1904 1925 2068 2105 2200 2350 2380 2464 2585 2618 2632 2720 2800 2947 2975 2992 3080 3196 3290 3368 3400 3619 3740 3760 3808 3850 3995 4136 4210 4400 4631 4675 4700 4760 5170 5236 5264 5593 5600 5894 5950 5984 6160 6392 6545 6580 6736 6800 7157 7238 7480 7520 7700 7990 8225 8272 8420 8789 8800 9262 9350 9400 9520 10340 10472 10525 10528 11186 11788 11900 12320 12784 12925 13090 13160 13472 13600 14314 14476 14735 14960 15400 15980 16450 16544 16840 17578 18095 18524 18700 18800 19040 19787 19975 20680 20944 21050 22372 23155 23576 23800 25568 25850 26180 26320 27965 28628 28952 29470 29920 30800 31960 32417 32725 32900 33680 35156 35785 36190 37048 37400 37600 39574 39950 41360 41888 42100 43945 44744 46310 47152 47600 50099 51700 52360 52640 55930 57256 57904 58940 61523 61600 63920 64834 65450 65800 67360 70312 71570 72380 73675 74096 74800 78727 79148 79900 82720 84200 87890 89488 90475 92620 94304 95200 98935 100198 103400 104720 111860 114512 115775 115808 117880 123046 127840 129668 130900 131600 138509 139825 140624 143140 144760 147350 148192 149600 157454 158296 159800 162085 168400 175780 178925 178976 180950 185240 197870 200396 206800 209440 217657 219725 223720 229024 231550 235760 246092 250495 259336 261800 263200 277018 279650 281248 286280 289520 294700 307615 314908 316592 319600 324170 336379 336800 351560 357850 361900 370480 393635 395740 400792 413600 435314 439450 447440 463100 471520 492184 494675 500990 518672 523600 551089 554036 559300 572560 579040 589400 615230 629816 633184 639200 648340 672758 692545 703120 715700 723800 740960 787270 791480 801584 810425 870628 878900 894880 926200 984368 989350 1001980 1037344 1047200 1088285 1102178 1108072 1118600 1145120 1178800 1230460 1252475 1259632 1296680 1345516 1385090 1406240 1431400 1447600 1523599 1538075 1574540 1582960 1603168 1620850 1681895 1741256 1757800 1852400 1968175 1968736 1978700 2003960 2176570 2204356 2216144 2237200 2354653 2357600 2460920 2504950 2519264 2593360 2691032 2755445 2770180 2862800 2895200 3047198 3076150 3149080 3165920 3241700 3363790 3462725 3482512 3515600 3700169 3704800 3936350 3957400 4007920 4353140 4408712 4432288 4474400 4709306 4921840 5009900 5186720 5382064 5441425 5510890 5540360 5725600 6094396 6152300 6298160 6483400 6727580 6925450 6965024 7031200 7400338 7617995 7872700 7914800 8015840 8409475 8706280 8817424 9418612 9843680 10019800 10764128 10882850 11021780 11080720 11773265 12188792 12304600 12596320 12966800 13455160 13777225 13850900 14800676 15235990 15745400 15829600 16818950 17412560 17634848 18500845 18837224 20039600 21765700 22043560 22161440 23546530 24377584 24609200 25901183 25933600 26910320 27554450 27701800 29601352 30471980 31490800 33637900 34825120 37001690 37674448 38089975 40079200 43531400 44087120 47093060 48755168 49218400 51802366 53820640 55108900 55403600 58866325 59202704 60943960 62981600 67275800 74003380 75348896 76179950 87062800 88174240 92504225 94186120 103604732 110217800 110807200 117732650 118405408 121887920 129505915 134551600 148006760 152359900 174125600 185008450 188372240 207209464 220435600 235465300 243775840 259011830 269103200 296013520 304719800 370016900 376744480 414418928 440871200 470930600 518023660 592027040 609439600 647529575 740033800 828837856 941861200 1036047320 1218879200 1295059150 1480067600 1883722400 2072094640 2590118300 2960135200 4144189280 5180236600 10360473200 20720946400
• Sum of all divisors σ(n): 68359624704
• Sum of proper divisors (its aliquot sum) s(n): 47638678304
• 20720946400 is an abundant number, because the sum of its proper divisors (47638678304) is greater than itself. Its abundance is 26917731904

Bases of 20720946400

• Binary: 10011010011000100001000110011100000₂
• Hexadecimal: 0x4D3108CE0
• Base-36: 9IOPSKG

Squares and roots of 20720946400

• 20720946400 squared (20720946400²) is 429357619711672960000
• 20720946400 cubed (20720946400³) is 8896696224477158858489344000000
• The square root of 20720946400 is 143947.7210656705
• The cube root of 20720946400 is 2746.6492036573

Scales and comparisons

• 20,720,946,400 seconds is equal to 658 years, 44 weeks, 5 days, 18 hours, 26 minutes, 40 seconds.
• To count from 1 to 20,720,946,400 would take you about one thousand, three hundred seventeen 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 20720946400 cubic inches would be around 228.9 feet tall.

Recreational maths with 20720946400

• 20720946400 backwards is 00464902702
• 20720946400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20720946400's digits is 34
• More coming soon!