21032405520
21,032,405,520 is an even composite number composed of seven prime numbers multiplied together.
21032405520 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21032405520:
24 × 3 × 5 × 7 × 53 × 199 × 1187
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 53 × 199 × 1187)See below for interesting mathematical facts about the number 21032405520 from the Numbermatics database.
Names of 21032405520
- Cardinal: 21032405520 can be written as Twenty-one billion, thirty-two million, four hundred five thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.103240552 × 1010
Factors of 21032405520
Divisors of 21032405520
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 53 56 60 70 80 84 105 106 112 120 140 159 168 199 210 212 240 265 280 318 336 371 398 420 424 530 560 597 636 742 795 796 840 848 995 1060 1113 1187 1194 1272 1393 1484 1590 1592 1680 1855 1990 2120 2226 2374 2388 2544 2786 2968 2985 3180 3184 3561 3710 3980 4179 4240 4452 4748 4776 5565 5572 5935 5936 5970 6360 6965 7122 7420 7960 8309 8358 8904 9496 9552 10547 11130 11144 11870 11940 12720 13930 14244 14840 15920 16618 16716 17805 17808 18992 20895 21094 22260 22288 23740 23880 24927 27860 28488 29680 31641 33236 33432 35610 41545 41790 42188 44520 47480 47760 49854 52735 55720 56976 62911 63282 66472 66864 71220 73829 83090 83580 84376 89040 94960 99708 105470 111440 124635 125822 126564 132944 142440 147658 158205 166180 167160 168752 188733 199416 210940 221487 236213 249270 251644 253128 284880 295316 314555 316410 332360 334320 369145 377466 398832 421880 440377 442974 472426 498540 503288 506256 590632 629110 632820 664720 708639 738290 754932 843760 880754 885948 943665 944852 997080 1006576 1107435 1181065 1181264 1258220 1265640 1321131 1417278 1476580 1509864 1653491 1761508 1771896 1887330 1889704 1994160 2201885 2214870 2362130 2516440 2531280 2642262 2834556 2953160 3019728 3306982 3523016 3543195 3543792 3774660 3779408 4403770 4429740 4724260 4960473 5032880 5284524 5669112 5906320 6605655 6613964 7046032 7086390 7549320 8267455 8807540 8859480 9448520 9920946 10569048 11338224 12519289 13211310 13227928 14172780 15098640 16534910 17615080 17718960 18897040 19841892 21138096 24802365 25038578 26422620 26455856 28345560 33069820 35230160 37557867 39683784 49604730 50077156 52845240 56691120 62596445 66139640 75115734 79367568 87635023 99209460 100154312 105690480 125192890 132279280 150231468 175270046 187789335 198418920 200308624 250385780 262905069 300462936 350540092 375578670 396837840 438175115 500771560 525810138 600925872 701080184 751157340 876350230 1001543120 1051620276 1314525345 1402160368 1502314680 1752700460 2103240552 2629050690 3004629360 3505400920 4206481104 5258101380 7010801840 10516202760 21032405520
- Sum of all divisors σ(n): 76366540800
- Sum of proper divisors (its aliquot sum) s(n): 55334135280
- 21032405520 is an abundant number, because the sum of its proper divisors (55334135280) is greater than itself. Its abundance is 34301729760
Bases of 21032405520
- Binary: 100111001011010000100001010000100002
- Hexadecimal: 0x4E5A10A10
- Base-36: 9NU5FYO
Squares and roots of 21032405520
- 21032405520 squared (210324055202) is 442362081957726470400
- 21032405520 cubed (210324055203) is 9303938694406378622691076608000
-
The
square root of 21032405520 is 145025.5340276327 -
The
cube root of 21032405520 is 2760.3425640753
Scales and comparisons
How big is 21032405520?- 21,032,405,520 seconds is equal to 668 years, 39 weeks, 5 days, 14 hours, 52 minutes.
-
To count from 1 to 21,032,405,520 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 21032405520 cubic inches would be around 230 feet tall.
Recreational maths with 21032405520
- 21032405520 backwards is 02550423012
- 21032405520 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21032405520's digits is 24
- More coming soon!
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