18997426504672

Names of 18997426504672

• Cardinal: 18997426504672 can be written as Eighteen trillion, nine hundred ninety-seven billion, four hundred twenty-six million, five hundred four thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.8997426504672 × 10¹³

Factors of 18997426504672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 997

Divisors of 18997426504672

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 49 56 77 88 98 112 121 154 176 196 224 242 308 343 352 392 484 539 616 686 784 847 968 977 1078 1232 1331 1372 1568 1694 1936 1954 2156 2464 2662 2744 3388 3773 3872 3908 4312 5324 5488 5929 6776 6839 7546 7816 8624 9317 10648 10747 10976 11858 13552 13678 14641 15092 15632 17248 18634 21296 21494 23716 27104 27356 29282 30184 31264 37268 41503 42592 42988 47432 47873 54712 58564 60368 65219 74536 75229 83006 85976 94864 95746 102487 109424 117128 118217 120736 130438 149072 150458 161051 166012 171952 189728 191492 204974 218848 234256 236434 260876 298144 300916 322102 332024 335111 343904 382984 409948 456533 468512 472868 521752 526603 601832 644204 664048 670222 717409 765968 819896 827519 913066 945736 1043504 1053206 1127357 1203664 1288408 1300387 1328096 1340444 1434818 1531936 1639792 1655038 1771561 1826132 1891472 2087008 2106412 2254714 2407328 2576816 2600774 2680888 2869636 3279584 3310076 3543122 3652264 3686221 3782944 4212824 4509428 5021863 5153632 5201548 5361776 5739272 5792633 6620152 7086244 7304528 7372442 7891499 8425648 9018856 9102709 10043726 10403096 10723552 11478544 11585266 12400927 13240304 14172488 14304257 14609056 14744884 15782998 16851296 18037712 18205418 20087452 20806192 22957088 23170532 24801854 26480608 28344976 28608514 29489768 31565996 36075424 36410836 40174904 40548431 41612384 46341064 49603708 55240493 56689952 57217028 58979536 63131992 63718963 72821672 80349808 81096862 86806489 92682128 99207416 100129799 110480986 114434056 117959072 126263984 127437926 145643344 157346827 160699616 162193724 173612978 185364256 198414832 200259598 220961972 228868112 252527968 254875852 291286688 314693654 324387448 347225956 396829664 400519196 441923944 446032741 457736224 509751704 607645423 629387308 648774896 694451912 700908593 801038392 883847888 892065482 1019503408 1101427789 1215290846 1258774616 1297549792 1388903824 1401817186 1602076784 1730815097 1767695776 1784130964 2039006816 2202855578 2430581692 2517549232 2777807648 2803634372 3204153568 3461630194 3568261928 4405711156 4861163384 4906360151 5035098464 5607268744 6923260388 7136523856 7709994523 8811422312 9722326768 9812720302 11214537488 12115705679 13846520776 14273047712 15419989046 17622844624 19444653536 19625440604 22429074976 24231411358 27693041552 30839978092 35245689248 39250881208 48462822716 53969961661 55386083104 61679956184 78501762416 84809939753 96925645432 107939923322 123359912368 157003524832 169619879506 193851290864 215879846644 246719824736 339239759012 387702581728 431759693288 593669578271 678479518024 863519386576 1187339156542 1356959036048 1727038773152 2374678313084 2713918072096 4749356626168 9498713252336 18997426504672
• Sum of all divisors σ(n): 48027299695200
• Sum of proper divisors (its aliquot sum) s(n): 29029873190528
• 18997426504672 is an abundant number, because the sum of its proper divisors (29029873190528) is greater than itself. Its abundance is 10032446685856

Bases of 18997426504672

• Binary: 100010100011100101110110110111100001111100000₂
• Hexadecimal: 0x11472EDBC3E0
• Base-36: 6QFAP8PGG

Squares and roots of 18997426504672

• 18997426504672 squared (18997426504672²) is 360902213800414203237827584
• 18997426504672 cubed (18997426504672³) is 6856213282046789638442226704239706472448
• The square root of 18997426504672 is 4358603.7333843507
• The cube root of 18997426504672 is 26682.8116750711

Scales and comparisons

• 18,997,426,504,672 seconds is equal to 604,059 years, 20 weeks, 5 days, 13 hours, 57 minutes, 52 seconds.
• To count from 1 to 18,997,426,504,672 would take you about one million, five hundred ten thousand, one hundred forty-eight 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 18997426504672 cubic inches would be around 2223.6 feet tall.

Recreational maths with 18997426504672

• 18997426504672 backwards is 27640562479981
• The number of decimal digits it has is: 14
• The sum of 18997426504672's digits is 70
• More coming soon!