21605389627992

Names of 21605389627992

• Cardinal: 21605389627992 can be written as Twenty-one trillion, six hundred five billion, three hundred eighty-nine million, six hundred twenty-seven thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.1605389627992 × 10¹³

Factors of 21605389627992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 42077

Divisors of 21605389627992

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 24 29 58 87 101 116 174 202 232 303 348 404 606 696 808 1212 2424 2929 5858 8787 9463 11716 17574 18926 23432 28389 32479 35148 37852 56778 64958 70296 75704 97437 113556 129916 194874 227112 259832 274427 389748 548854 779496 823281 941891 955763 1097708 1646562 1883782 1911526 2195416 2825673 2867289 3280379 3293124 3767564 3823052 5651346 5734578 6560758 6586248 7535128 7646104 9841137 11302692 11469156 13121516 19682274 22605384 22938312 26243032 27717127 39364548 55434254 78729096 83151381 95130991 110868508 166302762 190261982 221737016 285392973 307348777 332605524 380523964 570785946 614697554 665211048 761047928 922046331 1141571892 1229395108 1844092662 2283143784 2458790216 3688185324 7376370648 8913114533 17826229066 26739343599 31042226477 35652458132 53478687198 62084452954 71304916264 93126679431 106957374396 124168905908 186253358862 213914748792 248337811816 372506717724 745013435448 900224567833 1800449135666 2700673703499 3600898271332 5401347406998 7201796542664 10802694813996 21605389627992
• Sum of all divisors σ(n): 56436936192000
• Sum of proper divisors (its aliquot sum) s(n): 34831546564008
• 21605389627992 is an abundant number, because the sum of its proper divisors (34831546564008) is greater than itself. Its abundance is 13226156936016

Bases of 21605389627992

• Binary: 100111010011001100101100100101111001001011000₂
• Hexadecimal: 0x13A66592F258
• Base-36: 7NPDN5E8O

Squares and roots of 21605389627992

• 21605389627992 squared (21605389627992²) is 466792860977344292149952064
• 21605389627992 cubed (21605389627992³) is 10085241636980625969713757389905592575488
• The square root of 21605389627992 is 4648159.8109350759
• The cube root of 21605389627992 is 27851.8491458151

Scales and comparisons

• 21,605,389,627,992 seconds is equal to 686,984 years, 29 weeks, 22 hours, 53 minutes, 12 seconds.
• To count from 1 to 21,605,389,627,992 would take you about one million, seven hundred seventeen thousand, four hundred sixty-one 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 21605389627992 cubic inches would be around 2321 feet tall.

Recreational maths with 21605389627992

• 21605389627992 backwards is 29972698350612
• The number of decimal digits it has is: 14
• The sum of 21605389627992's digits is 69
• More coming soon!