21309540012152

Names of 21309540012152

• Cardinal: 21309540012152 can be written as Twenty-one trillion, three hundred nine billion, five hundred forty million, twelve thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 2.1309540012152 × 10¹³

Factors of 21309540012152

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2188

Divisors of 21309540012152

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 17 28 34 56 68 119 136 238 289 476 578 952 1033 1129 1156 2023 2066 2258 2312 4046 4132 4516 7231 7903 8092 8264 9032 14462 15806 16184 17561 19193 28924 31612 35122 38386 57848 63224 70244 76772 122927 134351 140488 153544 245854 268702 298537 326281 491708 537404 597074 652562 983416 1074808 1166257 1194148 1274641 1305124 2089759 2283967 2332514 2388296 2549282 2610248 4179518 4567934 4665028 5098564 8163799 8359036 8922487 9135868 9330056 10197128 16327598 16718072 17844974 18271736 19826369 21668897 32655196 35689948 39652738 43337794 65310392 71379896 79305476 86675588 138784583 151682279 158610952 173351176 277569166 303364558 337048273 368371249 555138332 606729116 674096546 736742498 1110276664 1213458232 1316704153 1348193092 1473484996 2359337911 2578598743 2633408306 2696386184 2946969992 4718675822 5157197486 5266816612 9216929071 9437351644 10314394972 10533633224 18433858142 18874703288 20628789944 22383970601 36867716284 44767941202 73735432568 89535882404 156687794207 179071764808 313375588414 380527500217 626751176828 761055000434 1253502353656 1522110000868 2663692501519 3044220001736 5327385003038 10654770006076 21309540012152
• Sum of all divisors σ(n): 48597383363760
• Sum of proper divisors (its aliquot sum) s(n): 27287843351608
• 21309540012152 is an abundant number, because the sum of its proper divisors (27287843351608) is greater than itself. Its abundance is 5978303339456

Bases of 21309540012152

• Binary: 100110110000110000011100100000001000001111000₂
• Hexadecimal: 0x136183901078
• Base-36: 7JXGTXDO8

Squares and roots of 21309540012152

• 21309540012152 squared (21309540012152²) is 454096495529507060307671104
• 21309540012152 cubed (21309540012152³) is 9676587440864032495583299494390979255808
• The square root of 21309540012152 is 4616225.7323653487
• The cube root of 21309540012152 is 27724.1362836907

Scales and comparisons

• 21,309,540,012,152 seconds is equal to 677,577 years, 23 weeks, 5 days, 14 hours, 2 minutes, 32 seconds.
• To count from 1 to 21,309,540,012,152 would take you about one million, six hundred ninety-three thousand, nine hundred forty-three 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 21309540012152 cubic inches would be around 2310.3 feet tall.

Recreational maths with 21309540012152

• 21309540012152 backwards is 25121004590312
• The number of decimal digits it has is: 14
• The sum of 21309540012152's digits is 35
• More coming soon!