1387829891829420

Names of 1387829891829420

• Cardinal: 1387829891829420 can be written as One quadrillion, three hundred eighty-seven trillion, eight hundred twenty-nine billion, eight hundred ninety-one million, eight hundred twenty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.38782989182942 × 10¹⁵

Factors of 1387829891829420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1121152593

Divisors of 1387829891829420

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 23 26 30 36 39 45 46 52 60 65 69 78 90 92 115 117 130 138 156 180 195 207 230 234 260 276 299 345 390 414 460 468 529 585 598 690 780 828 897 1035 1058 1170 1196 1380 1495 1587 1794 2070 2116 2340 2645 2691 2990 3174 3588 4140 4485 4761 5290 5382 5980 6348 6877 7935 8970 9522 10580 10764 13455 13754 15870 17940 19044 20631 23805 26910 27508 31740 34385 41262 47610 53820 61893 68770 82524 95220 103155 123786 137540 206310 247572 309465 412620 618930 1237860 1121152547 2242305094 3363457641 4484610188 5605762735 6726915282 10090372923 11211525470 13453830564 14574983111 16817288205 20180745846 22423050940 25786508581 29149966222 33634576410 40361491692 43724949333 50451864615 51573017162 58299932444 67269152820 72874915555 77359525743 87449898666 100903729230 103146034324 128932542905 131174847999 145749831110 154719051486 174899797332 201807458460 218624746665 232078577229 257865085810 262349695998 291499662220 309438102972 335224611553 386797628715 437249493330 464157154458 515730171620 524699391996 593089697363 655874239995 670449223106 773595257430 874498986660 928314308916 1005673834659 1160392886145 1186179394726 1311748479990 1340898446212 1547190514860 1676123057765 1779269092089 2011347669318 2320785772290 2372358789452 2623496959980 2965448486815 3017021503977 3352246115530 3558538184178 4022695338636 4641571544580 5028369173295 5337807276267 5930896973630 6034043007954 6704492231060 7117076368356 7710166065719 8896345460445 10056738346590 10675614552534 11861793947260 12068086015908 15085107519885 15420332131438 17792690920890 20113476693180 21351229105068 23130498197157 26689036381335 30170215039770 30840664262876 35585381841780 38550830328595 46260996394314 53378072762670 60340430079540 69391494591471 77101660657190 92521992788628 106756145525340 115652490985785 138782989182942 154203321314380 231304981971570 277565978365884 346957472957355 462609963943140 693914945914710 1387829891829420
• Sum of all divisors σ(n): 4739259812532336
• Sum of proper divisors (its aliquot sum) s(n): 3351429920702916
• 1387829891829420 is an abundant number, because the sum of its proper divisors (3351429920702916) is greater than itself. Its abundance is 1963600028873496

Bases of 1387829891829420

• Binary: 100111011100011100101010011101101100000111010101100₂
• Hexadecimal: 0x4EE3953B60EAC
• Base-36: DNY090W0J0

Squares and roots of 1387829891829420

• 1387829891829420 squared (1387829891829420²) is 1926071808655259618074377536400
• 1387829891829420 cubed (1387829891829420³) is 2673060029861724291863710438658110748640888000
• The square root of 1387829891829420 is 37253588.9791764897
• The cube root of 1387829891829420 is 111543.7940357271

Scales and comparisons

• 1,387,829,891,829,420 seconds is equal to 44,128,697 years, 37 weeks, 3 days, 5 hours, 57 minutes.
• To count from 1 to 1,387,829,891,829,420 would take you about one hundred thirty-two million, three hundred eighty-six thousand and ninety-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 1387829891829420 cubic inches would be around 9295.3 feet tall.

Recreational maths with 1387829891829420

• 1387829891829420 backwards is 0249281989287831
• The number of decimal digits it has is: 16
• The sum of 1387829891829420's digits is 81
• More coming soon!