19429155720

Names of 19429155720

• Cardinal: 19429155720 can be written as Nineteen billion, four hundred twenty-nine million, one hundred fifty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.942915572 × 10¹⁰

Factors of 19429155720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5941

Divisors of 19429155720

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 79 81 90 104 108 117 120 130 135 156 158 162 180 195 216 234 237 260 270 312 316 324 351 360 390 395 405 468 474 520 540 585 632 648 702 711 780 790 810 936 948 1027 1053 1080 1170 1185 1404 1422 1560 1580 1620 1755 1896 2054 2106 2133 2340 2370 2808 2844 3081 3160 3240 3510 3555 4108 4212 4266 4680 4740 5135 5265 5688 5839 6162 6399 7020 7110 8216 8424 8532 9243 9480 10270 10530 10665 11678 12324 12798 14040 14220 15405 17064 17517 18486 20540 21060 21330 23356 24648 25596 27729 28440 29195 30810 31995 35034 36972 41080 42120 42660 46215 46712 51192 52551 55458 58390 61620 63990 70068 73944 75907 83187 85320 87585 92430 105102 110916 116780 123240 127980 138645 140136 151814 157653 166374 175170 184860 210204 221832 227721 233560 255960 262755 277290 303628 315306 332748 350340 369720 379535 415935 420408 455442 461281 472959 525510 554580 607256 630612 665496 683163 700680 759070 788265 831870 910884 922562 945918 1051020 1109160 1138605 1261224 1366326 1383843 1518140 1576530 1663740 1821768 1845124 1891836 2049489 2102040 2277210 2306405 2364795 2732652 2767686 3036280 3153060 3327480 3415815 3690248 3783672 4098978 4151529 4554420 4612810 4729590 5465304 5535372 5996653 6148467 6306120 6831630 6919215 8197956 8303058 9108840 9225620 9459180 10247445 11070744 11993306 12296934 12454587 13663260 13838430 16395912 16606116 17989959 18451240 18918360 20494890 20757645 23986612 24593868 24909174 27326520 27676860 29983265 30742335 33212232 35979918 37363761 40989780 41515290 47973224 49187736 49818348 53969877 55353720 59966530 61484670 62272935 71959836 74727522 81979560 83030580 89949795 99636696 107939754 119933060 122969340 124545870 143919672 149455044 161909631 166061160 179899590 186818805 215879508 239866120 245938680 249091740 269849385 298910088 323819262 359799180 373637610 431759016 485728893 498183480 539698770 647638524 719598360 747275220 809548155 971457786 1079397540 1295277048 1494550440 1619096310 1942915572 2158795080 2428644465 3238192620 3885831144 4857288930 6476385240 9714577860 19429155720
• Sum of all divisors σ(n): 71229312000
• Sum of proper divisors (its aliquot sum) s(n): 51800156280
• 19429155720 is an abundant number, because the sum of its proper divisors (51800156280) is greater than itself. Its abundance is 32371000560

Bases of 19429155720

• Binary: 10010000110000100010110001110001000₂
• Hexadecimal: 0x486116388
• Base-36: 8XBM8I0

Squares and roots of 19429155720

• 19429155720 squared (19429155720²) is 377492091992008718400
• 19429155720 cubed (19429155720³) is 7334352638381302385391229248000
• The square root of 19429155720 is 139388.5064128317
• The cube root of 19429155720 is 2688.3427795483

Scales and comparisons

• 19,429,155,720 seconds is equal to 617 years, 40 weeks, 6 days, 11 hours, 42 minutes.
• To count from 1 to 19,429,155,720 would take you about one thousand, two hundred thirty-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 19429155720 cubic inches would be around 224 feet tall.

Recreational maths with 19429155720

• 19429155720 backwards is 02755192491
• 19429155720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19429155720's digits is 45
• More coming soon!