21029917520
21,029,917,520 is an even composite number composed of six prime numbers multiplied together.
What does the number 21029917520 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 160 divisors.
21029917520 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21029917520:
24 × 5 × 23 × 59 × 307 × 631
(2 × 2 × 2 × 2 × 5 × 23 × 59 × 307 × 631)See below for interesting mathematical facts about the number 21029917520 from the Numbermatics database.
Names of 21029917520
- Cardinal: 21029917520 can be written as Twenty-one billion, twenty-nine million, nine hundred seventeen thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.102991752 × 1010
Factors of 21029917520
Divisors of 21029917520
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 8 10 16 20 23 40 46 59 80 92 115 118 184 230 236 295 307 368 460 472 590 614 631 920 944 1180 1228 1262 1357 1535 1840 2360 2456 2524 2714 3070 3155 4720 4912 5048 5428 6140 6310 6785 7061 10096 10856 12280 12620 13570 14122 14513 18113 21712 24560 25240 27140 28244 29026 35305 36226 37229 50480 54280 56488 58052 70610 72452 72565 74458 90565 108560 112976 116104 141220 144904 145130 148916 181130 186145 193717 232208 282440 289808 290260 297832 362260 372290 387434 416599 564880 580520 595664 724520 744580 774868 833198 856267 968585 1161040 1449040 1489160 1549736 1666396 1712534 1937170 2082995 2978320 3099472 3332792 3425068 3874340 4165990 4281335 4455491 6665584 6850136 7748680 8331980 8562670 8910982 11429303 13700272 15497360 16663960 17125340 17821964 22277455 22858606 33327920 34250680 35643928 44554910 45717212 57146515 68501360 71287856 89109820 91434424 114293030 178219640 182868848 228586060 262873969 356439280 457172120 525747938 914344240 1051495876 1314369845 2102991752 2628739690 4205983504 5257479380 10514958760 21029917520
- Sum of all divisors σ(n): 52136663040
- Sum of proper divisors (its aliquot sum) s(n): 31106745520
- 21029917520 is an abundant number, because the sum of its proper divisors (31106745520) is greater than itself. Its abundance is 10076828000
Bases of 21029917520
- Binary: 100111001010111101100010011010100002
- Hexadecimal: 0x4E57B1350
- Base-36: 9NSO47K
Squares and roots of 21029917520
- 21029917520 squared (210299175202) is 442257430898002950400
- 21029917520 cubed (210299175203) is 9300637294392101579628651008000
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The
square root of 21029917520 is 145016.9559741203 -
The
cube root of 21029917520 is 2760.2337161183
Scales and comparisons
How big is 21029917520?- 21,029,917,520 seconds is equal to 668 years, 35 weeks, 4 days, 19 hours, 45 minutes, 20 seconds.
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To count from 1 to 21,029,917,520 would take you about one thousand, three hundred thirty-seven 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 21029917520 cubic inches would be around 230 feet tall.
Recreational maths with 21029917520
- 21029917520 backwards is 02571992012
- The number of decimal digits it has is: 11
- The sum of 21029917520's digits is 38
- More coming soon!
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