21394032948728064

Names of 21394032948728064

• Cardinal: 21394032948728064 can be written as Twenty-one quadrillion, three hundred ninety-four trillion, thirty-two billion, nine hundred forty-eight million, seven hundred twenty-eight thousand and sixty-four.

Scientific notation

• Scientific notation: 2.1394032948728064 × 10¹⁶

Factors of 21394032948728064

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 338586

Divisors of 21394032948728064

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 576 648 729 768 864 972 1152 1296 1458 1728 1944 2304 2592 2916 3456 3888 5184 5832 6912 7776 10368 11664 15552 20736 23328 31104 46656 62208 93312 186624 338581 677162 1015743 1354324 2031486 2708648 3047229 4062972 5417296 6094458 8125944 9141687 10834592 12188916 16251888 18283374 21669184 24377832 27425061 32503776 36566748 43338368 48755664 54850122 65007552 73133496 82275183 86676736 97511328 109700244 130015104 146266992 164550366 195022656 219400488 246825549 260030208 292533984 329100732 390045312 438800976 493651098 585067968 658201464 780090624 877601952 987302196 1170135936 1316402928 1755203904 1974604392 2340271872 2632805856 3510407808 3949208784 5265611712 7020815616 7898417568 10531223424 15796835136 21062446848 31593670272 63187340544 114637093561 229274187122 343911280683 458548374244 687822561366 917096748488 1031733842049 1375645122732 1834193496976 2063467684098 2751290245464 3095201526147 3668386993952 4126935368196 5502580490928 6190403052294 7336773987904 8253870736392 9285604578441 11005160981856 12380806104588 14673547975808 16507741472784 18571209156882 22010321963712 24761612209176 27856813735323 29347095951616 33015482945568 37142418313764 44020643927424 49523224418352 55713627470646 66030965891136 74284836627528 83570441205969 88041287854848 99046448836704 111427254941292 132061931782272 148569673255056 167140882411938 198092897673408 222854509882584 264123863564544 297139346510112 334281764823876 396185795346816 445709019765168 594278693020224 668563529647752 792371590693632 891418039530336 1188557386040448 1337127059295504 1782836079060672 2377114772080896 2674254118591008 3565672158121344 5348508237182016 7131344316242688 10697016474364032 21394032948728064
• Sum of all divisors σ(n): 64027642512804789
• Sum of proper divisors (its aliquot sum) s(n): 42633609564076725
• 21394032948728064 is an abundant number, because the sum of its proper divisors (42633609564076725) is greater than itself. Its abundance is 21239576615348661

Bases of 21394032948728064

• Binary: 1001100000000011100001001110110001110001101000100000000₂
• Hexadecimal: 0x4C01C27638D100
• Base-36: 5UNJV204000

Squares and roots of 21394032948728064

• 21394032948728064 squared (21394032948728064²) is 457704645811262021113035421188096
• 21394032948728064 cubed (21394032948728064³) is 9792148273272048144401282105328824150278897926144
• 21394032948728064 is a perfect square number. Its square root is 146266992
• The cube root of 21394032948728064 is 277607.3029230591

Scales and comparisons

• 21,394,032,948,728,064 seconds is equal to 680,264,071 years, 35 weeks, 2 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,394,032,948,728,064 would take you about two billion, forty million, seven hundred ninety-two thousand, two hundred fifteen 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 21394032948728064 cubic inches would be around 23133.9 feet tall.

Recreational maths with 21394032948728064

• 21394032948728064 backwards is 46082784923049312
• 21394032948728064 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21394032948728064's digits is 72
• More coming soon!