1640866791972996

Names of 1640866791972996

• Cardinal: 1640866791972996 can be written as One quadrillion, six hundred forty trillion, eight hundred sixty-six billion, seven hundred ninety-one million, nine hundred seventy-two thousand, nine hundred ninety-six.

Scientific notation

• Scientific notation: 1.640866791972996 × 10¹⁵

Factors of 1640866791972996

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 28
• Sum of prime factors: 12

Divisors of 1640866791972996

• Number of divisors d(n): 441
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 98 108 126 147 162 189 196 243 252 294 324 343 378 441 486 567 588 686 729 756 882 972 1029 1134 1323 1372 1458 1701 1764 2058 2187 2268 2401 2646 2916 3087 3402 3969 4116 4374 4802 5103 5292 6174 6561 6804 7203 7938 8748 9261 9604 10206 11907 12348 13122 14406 15309 15876 16807 18522 19683 20412 21609 23814 26244 27783 28812 30618 33614 35721 37044 39366 43218 45927 47628 50421 55566 59049 61236 64827 67228 71442 78732 83349 86436 91854 100842 107163 111132 117649 118098 129654 137781 142884 151263 166698 177147 183708 194481 201684 214326 235298 236196 250047 259308 275562 302526 321489 333396 352947 354294 388962 413343 428652 453789 470596 500094 531441 551124 583443 605052 642978 705894 708588 750141 777924 826686 907578 964467 1000188 1058841 1062882 1166886 1240029 1285956 1361367 1411788 1500282 1594323 1653372 1750329 1815156 1928934 2117682 2125764 2250423 2333772 2480058 2722734 2893401 3000564 3176523 3188646 3500658 3720087 3857868 4084101 4235364 4500846 4782969 4960116 5250987 5445468 5786802 6353046 6377292 6751269 7001316 7440174 8168202 8680203 9001692 9529569 9565938 10501974 11160261 11573604 12252303 12706092 13502538 14348907 14880348 15752961 16336404 17360406 19059138 19131876 20253807 21003948 22320522 24504606 26040609 27005076 28588707 28697814 31505922 33480783 34720812 36756909 38118276 40507614 43046721 44641044 47258883 49009212 52081218 57177414 57395628 60761421 63011844 66961566 73513818 78121827 81015228 85766121 86093442 94517766 100442349 104162436 110270727 114354828 121522842 129140163 133923132 141776649 147027636 156243654 171532242 172186884 182284263 189035532 200884698 220541454 234365481 243045684 257298363 258280326 283553298 301327047 312487308 330812181 343064484 364568526 387420489 401769396 425329947 441082908 468730962 514596726 516560652 546852789 567106596 602654094 661624362 703096443 729137052 771895089 774840978 850659894 903981141 937461924 992436543 1029193452 1093705578 1162261467 1205308188 1275989841 1323248724 1406192886 1543790178 1549681956 1640558367 1701319788 1807962282 1984873086 2109289329 2187411156 2315685267 2324522934 2551979682 2711943423 2812385772 2977309629 3087580356 3281116734 3486784401 3615924564 3827969523 3969746172 4218578658 4631370534 4649045868 4921675101 5103959364 5423886846 5954619258 6327867987 6562233468 6947055801 6973568802 7655939046 8135830269 8437157316 8931928887 9262741068 9843350202 10847773692 11483908569 11909238516 12655735974 13894111602 13947137604 14765025303 15311878092 16271660538 17863857774 18983603961 19686700404 20841167403 22967817138 24407490807 25311471948 26795786661 27788223204 29530050606 32543321076 34451725707 35727715548 37967207922 41682334806 44295075909 45935634276 48814981614 53591573322 56950811883 59060101212 62523502209 68903451414 75934415844 80387359983 83364669612 88590151818 97629963228 103355177121 107183146644 113901623766 125047004418 132885227727 137806902828 160774719966 170852435649 177180303636 187570506627 206710354242 227803247532 241162079949 250094008836 265770455454 310065531363 321549439932 341704871298 375141013254 398655683181 413420708484 482324159898 531540910908 562711519881 620131062726 683409742596 723486239847 750282026508 797311366362 930196594089 964648319796 1125423039762 1195967049543 1240262125452 1446972479694 1594622732724 1688134559643 1860393188178 2170458719541 2250846079524 2391934099086 2790589782267 2893944959388 3376269119286 3720786376356 4340917439082 4783868198172 5064403678929 5581179564534 6511376158623 6752538238572 8371769346801 8681834878164 10128807357858 11162359129068 13022752317246 15193211036787 16743538693602 19534128475869 20257614715716 26045504634492 30386422073574 33487077387204 39068256951738 45579633110361 58602385427607 60772844147148 78136513903476 91159266220722 117204770855214 136738899331083 182318532441444 234409541710428 273477798662166 410216697993249 546955597324332 820433395986498 1640866791972996
• Sum of all divisors σ(n): 5025148448064199
• Sum of proper divisors (its aliquot sum) s(n): 3384281656091203
• 1640866791972996 is an abundant number, because the sum of its proper divisors (3384281656091203) is greater than itself. Its abundance is 1743414864118207

Bases of 1640866791972996

• Binary: 101110101000101110000010010010000100110000010000100₂
• Hexadecimal: 0x5D45C12426084
• Base-36: G5MZSQ0K90

Squares and roots of 1640866791972996

• 1640866791972996 squared (1640866791972996²) is 2692443828999751330298393216016
• 1640866791972996 cubed (1640866791972996³) is 4417941668258311780986147594195359130266703936
• 1640866791972996 is a perfect square number. Its square root is 40507614
• The cube root of 1640866791972996 is 117948.1432577649
• Being both a perfect square and a perfect cube, 1640866791972996 is also a perfect sixth number.

Scales and comparisons

• 1,640,866,791,972,996 seconds is equal to 52,174,488 years, 23 weeks, 2 days, 23 hours, 36 minutes, 36 seconds.
• To count from 1 to 1,640,866,791,972,996 would take you about one hundred fifty-six million, five hundred twenty-three thousand, four hundred sixty-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 1640866791972996 cubic inches would be around 9829 feet tall.

Recreational maths with 1640866791972996

• 1640866791972996 backwards is 6992791976680461
• The number of decimal digits it has is: 16
• The sum of 1640866791972996's digits is 90
• More coming soon!