18197299944972

Names of 18197299944972

• Cardinal: 18197299944972 can be written as Eighteen trillion, one hundred ninety-seven billion, two hundred ninety-nine million, nine hundred forty-four thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.8197299944972 × 10¹³

Factors of 18197299944972

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3289

Divisors of 18197299944972

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 67 81 108 134 162 201 243 268 324 402 486 603 729 804 972 1206 1458 1809 2187 2412 2916 3217 3618 4374 5427 6434 6561 7236 8748 9651 10854 12868 13122 16281 19302 21708 26244 28953 32562 38604 48843 57906 65124 86859 97686 115812 146529 173718 195372 215539 260577 293058 347436 431078 439587 521154 586116 646617 781731 862156 879174 1042308 1293234 1563462 1758348 1939851 2345193 2586468 3126924 3879702 4690386 5819553 7035579 7759404 9380772 10349089 11639106 14071158 17458659 20698178 21106737 23278212 28142316 31047267 34917318 41396356 42213474 52375977 62094534 69834636 84426948 93141801 104751954 124189068 157127931 186283602 209503908 279425403 314255862 372567204 471383793 558850806 628511724 693388963 838276209 942767586 1117701612 1386777926 1414151379 1676552418 1885535172 2080166889 2514828627 2773555852 2828302758 3353104836 4160333778 5029657254 5656605516 6240500667 7544485881 8320667556 10059314508 12481001334 15088971762 18721502001 22633457643 24962002668 30177943524 37443004002 45266915286 56164506003 67900372929 74886008004 90533830572 112329012006 135800745858 168493518009 224658024012 271601491716 336987036018 505480554027 673974072036 1010961108054 1516441662081 2021922216108 3032883324162 4549324986243 6065766648324 9098649972486 18197299944972
• Sum of all divisors σ(n): 48493477317012
• Sum of proper divisors (its aliquot sum) s(n): 30296177372040
• 18197299944972 is an abundant number, because the sum of its proper divisors (30296177372040) is greater than itself. Its abundance is 12098877427068

Bases of 18197299944972

• Binary: 100001000110011100011100110010101111000001100₂
• Hexadecimal: 0x108CE3995E0C
• Base-36: 6G7Q2JOR0

Squares and roots of 18197299944972

• 18197299944972 squared (18197299944972²) is 331141725287277954228080784
• 18197299944972 cubed (18197299944972³) is 6025885299348116257366323185420370618048
• The square root of 18197299944972 is 4265829.3384724147
• The cube root of 18197299944972 is 26302.8202987717

Scales and comparisons

• 18,197,299,944,972 seconds is equal to 578,617 years, 44 weeks, 1 day, 12 hours, 16 minutes, 12 seconds.
• To count from 1 to 18,197,299,944,972 would take you about one million, four hundred forty-six thousand, five hundred forty-four 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 18197299944972 cubic inches would be around 2191.9 feet tall.

Recreational maths with 18197299944972

• 18197299944972 backwards is 27944999279181
• 18197299944972 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18197299944972's digits is 81
• More coming soon!