210020397642

Names of 210020397642

• Cardinal: 210020397642 can be written as Two hundred ten billion, twenty million, three hundred ninety-seven thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 2.10020397642 × 10¹¹

Factors of 210020397642

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 20011

Divisors of 210020397642

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 43 54 66 86 99 129 198 258 297 387 421 473 594 774 842 946 1161 1263 1419 2322 2526 2838 3789 4257 4631 7578 8514 9262 11367 12771 13893 18103 19531 22734 25542 27786 36206 39062 41679 54309 58593 83358 108618 117186 125037 162927 175779 199133 214841 250074 325854 351558 398266 429682 488781 527337 597399 644523 839833 977562 1054674 1194798 1289046 1679666 1792197 1933569 2519499 3584394 3867138 5038998 5376591 5800707 7558497 8222551 9238163 10753182 11601414 15116994 16445102 18476326 22675491 24667653 27714489 45350982 49335306 55428978 74002959 83143467 90448061 148005918 166286934 180896122 222008877 249430401 271344183 353569693 444017754 498860802 542688366 707139386 814032549 1060709079 1628065098 2121418158 2442097647 3182127237 3889266623 4884195294 6364254474 7778533246 9546381711 11667799869 19092763422 23335599738 35003399607 70006799214 105010198821 210020397642
• Sum of all divisors σ(n): 522245053440
• Sum of proper divisors (its aliquot sum) s(n): 312224655798
• 210020397642 is an abundant number, because the sum of its proper divisors (312224655798) is greater than itself. Its abundance is 102204258156

Bases of 210020397642

• Binary: 11000011100110001100001111001001001010₂
• Hexadecimal: 0x30E630F24A
• Base-36: 2OHCPZYI

Squares and roots of 210020397642

• 210020397642 squared (210020397642²) is 44108567425703799160164
• 210020397642 cubed (210020397642³) is 9263698870165280191327748925933288
• The square root of 210020397642 is 458279.8246071931
• The cube root of 210020397642 is 5944.1143941391

Scales and comparisons

• 210,020,397,642 seconds is equal to 6,677 years, 51 weeks, 6 days, 15 hours, 20 minutes, 42 seconds.
• To count from 1 to 210,020,397,642 would take you about thirteen thousand, three hundred fifty-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 210020397642 cubic inches would be around 495.3 feet tall.

Recreational maths with 210020397642

• 210020397642 backwards is 246793020012
• The number of decimal digits it has is: 12
• The sum of 210020397642's digits is 36
• More coming soon!