21319185946716160

Names of 21319185946716160

• Cardinal: 21319185946716160 can be written as Twenty-one quadrillion, three hundred nineteen trillion, one hundred eighty-five billion, nine hundred forty-six million, seven hundred sixteen thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.131918594671616 × 10¹⁶

Factors of 21319185946716160

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 120

Divisors of 21319185946716160

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 113 128 160 226 256 320 452 512 565 640 904 1024 1130 1280 1808 2048 2260 2560 3616 4520 5120 7232 9040 10240 12769 14464 18080 25538 28928 36160 51076 57856 63845 72320 102152 115712 127690 144640 204304 231424 255380 289280 408608 510760 578560 817216 1021520 1157120 1442897 1634432 2043040 2885794 3268864 4086080 5771588 6537728 7214485 8172160 11543176 13075456 14428970 16344320 23086352 26150912 28857940 32688640 46172704 57715880 65377280 92345408 115431760 130754560 163047361 184690816 230863520 326094722 369381632 461727040 652189444 738763264 815236805 923454080 1304378888 1477526528 1630473610 1846908160 2608757776 2955053056 3260947220 3693816320 5217515552 6521894440 7387632640 10435031104 13043788880 14775265280 18424351793 20870062208 26087577760 36848703586 41740124416 52175155520 73697407172 83480248832 92121758965 104350311040 147394814344 166960497664 184243517930 208700622080 294789628688 333920995328 368487035860 417401244160 589579257376 736974071720 834802488320 1179158514752 1473948143440 1669604976640 2081951752609 2358317029504 2947896286880 4163903505218 4716634059008 5895792573760 8327807010436 9433268118016 10409758763045 11791585147520 16655614020872 18866536236032 20819517526090 23583170295040 33311228041744 37733072472064 41639035052180 47166340590080 66622456083488 83278070104360 94332681180160 133244912166976 166556140208720 188665362360320 266489824333952 333112280417440 532979648667904 666224560834880 1065959297335808 1332449121669760 2131918594671616 2664898243339520 4263837189343232 5329796486679040 10659592973358080 21319185946716160
• Sum of all divisors σ(n): 51610282727331510
• Sum of proper divisors (its aliquot sum) s(n): 30291096780615350
• 21319185946716160 is an abundant number, because the sum of its proper divisors (30291096780615350) is greater than itself. Its abundance is 8971910833899190

Bases of 21319185946716160

• Binary: 1001011101111011010111111001001010000010010100000000000₂
• Hexadecimal: 0x4BBDAFC9412800
• Base-36: 5TX0QTFLSSG

Squares and roots of 21319185946716160

• 21319185946716160 squared (21319185946716160²) is 454507689430659811330687605145600
• 21319185946716160 cubed (21319185946716160³) is 9689733945184555618090868080619058039038672896000
• The square root of 21319185946716160 is 146010910.3687671691
• The cube root of 21319185946716160 is 277283.1883704029
• Being both a perfect square and a perfect cube, 21319185946716160 is also a perfect sixth number.

Scales and comparisons

• 21,319,185,946,716,160 seconds is equal to 677,884,168 years, 27 weeks, 5 days, 6 hours, 2 minutes, 40 seconds.
• To count from 1 to 21,319,185,946,716,160 would take you about two billion, thirty-three million, six hundred fifty-two thousand, five hundred 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 21319185946716160 cubic inches would be around 23106.9 feet tall.

Recreational maths with 21319185946716160

• 21319185946716160 backwards is 06161764958191312
• The number of decimal digits it has is: 17
• The sum of 21319185946716160's digits is 70
• More coming soon!