21642973020
21,642,973,020 is an even composite number composed of six prime numbers multiplied together.
What does the number 21642973020 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 216 divisors.
21642973020 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21642973020:
22 × 32 × 5 × 172 × 31 × 13421
(2 × 2 × 3 × 3 × 5 × 17 × 17 × 31 × 13421)See below for interesting mathematical facts about the number 21642973020 from the Numbermatics database.
Names of 21642973020
- Cardinal: 21642973020 can be written as Twenty-one billion, six hundred forty-two million, nine hundred seventy-three thousand and twenty.
Scientific notation
- Scientific notation: 2.164297302 × 1010
Factors of 21642973020
Divisors of 21642973020
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 17 18 20 30 31 34 36 45 51 60 62 68 85 90 93 102 124 153 155 170 180 186 204 255 279 289 306 310 340 372 465 510 527 558 578 612 620 765 867 930 1020 1054 1116 1156 1395 1445 1530 1581 1734 1860 2108 2601 2635 2790 2890 3060 3162 3468 4335 4743 5202 5270 5580 5780 6324 7905 8670 8959 9486 10404 10540 13005 13421 15810 17340 17918 18972 23715 26010 26842 26877 31620 35836 40263 44795 47430 52020 53684 53754 67105 80526 80631 89590 94860 107508 120789 134210 134385 161052 161262 179180 201315 228157 241578 268420 268770 322524 402630 403155 416051 456314 483156 537540 603945 684471 805260 806310 832102 912628 1140785 1207890 1248153 1368942 1612620 1664204 2053413 2080255 2281570 2415780 2496306 2737884 3422355 3744459 3878669 4106826 4160510 4563140 4992612 6240765 6844710 7072867 7488918 7757338 8213652 8321020 10267065 11636007 12481530 13689420 14145734 14977836 15514676 18722295 19393345 20534130 21218601 23272014 24963060 28291468 34908021 35364335 37444590 38786690 41068260 42437202 46544028 58180035 63655803 69816042 70728670 74889180 77573380 84874404 106093005 116360070 120238739 127311606 139632084 141457340 174540105 212186010 232720140 240477478 254623212 318279015 349080210 360716217 424372020 480954956 601193695 636558030 698160420 721432434 1082148651 1202387390 1273116060 1442864868 1803581085 2164297302 2404774780 3607162170 4328594604 5410743255 7214324340 10821486510 21642973020
- Sum of all divisors σ(n): 71994319488
- Sum of proper divisors (its aliquot sum) s(n): 50351346468
- 21642973020 is an abundant number, because the sum of its proper divisors (50351346468) is greater than itself. Its abundance is 28708373448
Bases of 21642973020
- Binary: 101000010100000010110001111010111002
- Hexadecimal: 0x50A058F5C
- Base-36: 9XXO0V0
Squares and roots of 21642973020
- 21642973020 squared (216429730202) is 468418281144447920400
- 21642973020 cubed (216429730203) is 10137964220884061064012307608000
-
The
square root of 21642973020 is 147115.5091076397 -
The
cube root of 21642973020 is 2786.7989571961
Scales and comparisons
How big is 21642973020?- 21,642,973,020 seconds is equal to 688 years, 9 weeks, 2 days, 8 hours, 57 minutes.
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To count from 1 to 21,642,973,020 would take you about one thousand, three hundred seventy-six 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 21642973020 cubic inches would be around 232.2 feet tall.
Recreational maths with 21642973020
- 21642973020 backwards is 02037924612
- 21642973020 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21642973020's digits is 36
- More coming soon!
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