20398235672178

Names of 20398235672178

• Cardinal: 20398235672178 can be written as Twenty trillion, three hundred ninety-eight billion, two hundred thirty-five million, six hundred seventy-two thousand, one hundred seventy-eight.

Scientific notation

• Scientific notation: 2.0398235672178 × 10¹³

Factors of 20398235672178

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2792834

Divisors of 20398235672178

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 49 63 78 91 98 117 126 147 169 182 234 273 294 338 343 441 507 546 637 686 819 882 1014 1029 1183 1274 1521 1638 1911 2058 2366 2401 3042 3087 3549 3822 4459 4802 5733 6174 7098 7203 8281 8918 10647 11466 13377 14406 16562 21294 21609 24843 26754 31213 40131 43218 49686 57967 62426 74529 80262 93639 115934 149058 173901 187278 280917 347802 405769 521703 561834 811538 1043406 1217307 2434614 2792809 3651921 5585618 7303842 8378427 16756854 19549663 25135281 36306517 39099326 50270562 58648989 72613034 108919551 117297978 136847641 175946967 217839102 254145619 273695282 326758653 351893934 410542923 471984721 508291238 653517306 762436857 821085846 943969442 957933487 1231628769 1415954163 1524873714 1779019333 1915866974 2287310571 2463257538 2831908326 2873800461 3303893047 3558038666 4247862489 4574621142 5337057999 5747600922 6607786094 6705534409 8495724978 8621401383 9911679141 10674115998 12453135331 13411068818 16011173997 17242802766 19823358282 20116603227 23127251329 24906270662 29735037423 32022347994 37359405993 40233206454 46254502658 59470074846 60349809681 69381753987 74718811986 87171947317 112078217979 120699619362 138763507974 161890759303 174343894634 208145261961 224156435958 261515841951 323781518606 416290523922 485672277909 523031683902 784547525853 971344555818 1133235315121 1457016833727 1569095051706 2266470630242 2914033667454 3399705945363 6799411890726 10199117836089 20398235672178
• Sum of all divisors σ(n): 55830330200970
• Sum of proper divisors (its aliquot sum) s(n): 35432094528792
• 20398235672178 is an abundant number, because the sum of its proper divisors (35432094528792) is greater than itself. Its abundance is 15033858856614

Bases of 20398235672178

• Binary: 100101000110101010101100101110101111001110010₂
• Hexadecimal: 0x128D55975E72
• Base-36: 78ATIUOOI

Squares and roots of 20398235672178

• 20398235672178 squared (20398235672178²) is 416088018537715063483263684
• 20398235672178 cubed (20398235672178³) is 8487461462501880352615767135250956583752
• The square root of 20398235672178 is 4516440.5976585145
• The cube root of 20398235672178 is 27323.1564193637

Scales and comparisons

• 20,398,235,672,178 seconds is equal to 648,600 years, 41 weeks, 3 days, 15 hours, 36 minutes, 18 seconds.
• To count from 1 to 20,398,235,672,178 would take you about one million, six hundred twenty-one thousand, five hundred 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 20398235672178 cubic inches would be around 2276.9 feet tall.

Recreational maths with 20398235672178

• 20398235672178 backwards is 87127653289302
• 20398235672178 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20398235672178's digits is 63
• More coming soon!