19990723536

Names of 19990723536

• Cardinal: 19990723536 can be written as Nineteen billion, nine hundred ninety million, seven hundred twenty-three thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 1.9990723536 × 10¹⁰

Factors of 19990723536

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 675

Divisors of 19990723536

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 36 38 42 48 54 56 57 63 67 72 76 81 84 108 112 114 126 133 134 144 152 162 168 171 189 201 216 228 243 252 266 268 304 324 336 342 378 399 402 432 456 469 486 504 513 532 536 567 577 603 648 684 756 798 804 912 938 972 1008 1026 1064 1072 1134 1154 1197 1206 1273 1296 1368 1407 1512 1539 1596 1608 1701 1731 1809 1876 1944 2052 2128 2268 2308 2394 2412 2546 2736 2814 3024 3078 3192 3216 3402 3462 3591 3618 3752 3819 3888 4039 4104 4221 4536 4616 4617 4788 4824 5092 5193 5427 5628 6156 6384 6804 6924 7182 7236 7504 7638 8078 8208 8442 8911 9072 9232 9234 9576 9648 10184 10386 10773 10854 10963 11256 11457 12117 12312 12663 13608 13848 14364 14472 15276 15579 16156 16281 16884 17822 18468 19152 20368 20772 21546 21708 21926 22512 22914 24234 24624 25326 26733 27216 27696 28728 28944 30552 31158 32312 32319 32562 32889 33768 34371 35644 36351 36936 37989 38659 41544 43092 43416 43852 45828 46737 48468 50652 53466 57456 61104 62316 64624 64638 65124 65778 67536 68742 71288 72702 73872 75978 76741 77318 80199 83088 86184 86832 87704 91656 93474 96936 98667 101304 103113 106932 109053 113967 115977 124632 129276 130248 131556 137484 140211 142576 145404 151956 153482 154636 160398 172368 175408 183312 186948 193872 197334 202608 206226 213864 218106 227934 230223 231954 240597 249264 258552 260496 263112 270613 274968 280422 290808 296001 303912 306964 309272 309339 320796 327159 347931 373896 394668 412452 427728 436212 455868 460446 463908 481194 517104 526224 541226 549936 560844 581616 592002 607824 613928 618544 618678 641592 654318 690669 695862 721791 734521 747792 789336 811839 824904 872424 888003 911736 920892 927816 962388 981477 1043793 1082452 1121688 1184004 1227856 1237356 1283184 1308636 1381338 1391724 1443582 1469042 1578672 1623678 1649808 1744848 1776006 1823472 1841784 1855632 1924776 1962954 2072007 2087586 2164904 2165373 2203563 2243376 2368008 2435517 2474712 2617272 2664009 2762676 2783448 2887164 2938084 3131379 3247356 3552012 3683568 3849552 3925908 4144014 4175172 4329808 4330746 4407126 4736016 4871034 4949424 5141647 5234544 5328018 5525352 5566896 5774328 5876168 6216021 6262758 6494712 6610689 7104024 7306551 7851816 8288028 8350344 8661492 8814252 9394137 9742068 10283294 10656036 11050704 11548656 11752336 12432042 12525516 12989424 13221378 14208048 14613102 15424941 15703632 16576056 16700688 17322984 17628504 18648063 18788274 19484136 19832067 20566588 21312072 21919653 24864084 25051032 26442756 29226204 30849882 33152112 34645968 35257008 37296126 37576548 38968272 39664134 41133176 42624144 43839306 46274823 49728168 50102064 52885512 58452408 59496201 61699764 65758959 74592252 75153096 79328268 82266352 87678612 92549646 99456336 105771024 116904816 118992402 123399528 131517918 138824469 149184504 150306192 158656536 175357224 178488603 185099292 237984804 246799056 263035836 277648938 298369008 317313072 350714448 356977206 370198584 416473407 475969608 526071672 555297876 713954412 740397168 832946814 951939216 1052143344 1110595752 1249420221 1427908824 1665893628 2221191504 2498840442 2855817648 3331787256 4997680884 6663574512 9995361768 19990723536
• Sum of all divisors σ(n): 70961013760
• Sum of proper divisors (its aliquot sum) s(n): 50970290224
• 19990723536 is an abundant number, because the sum of its proper divisors (50970290224) is greater than itself. Its abundance is 30979566688

Bases of 19990723536

• Binary: 10010100111100010100011101111010000₂
• Hexadecimal: 0x4A78A3BD0
• Base-36: 96LYL00

Squares and roots of 19990723536

• 19990723536 squared (19990723536²) is 399629027492784343296
• 19990723536 cubed (19990723536³) is 7988873405568795041699651014656
• The square root of 19990723536 is 141388.5551803965
• The cube root of 19990723536 is 2713.9978817389

Scales and comparisons

• 19,990,723,536 seconds is equal to 635 years, 33 weeks, 3 days, 2 hours, 45 minutes, 36 seconds.
• To count from 1 to 19,990,723,536 would take you about one thousand, two hundred seventy-one 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 19990723536 cubic inches would be around 226.2 feet tall.

Recreational maths with 19990723536

• 19990723536 backwards is 63532709991
• 19990723536 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19990723536's digits is 54
• More coming soon!