21423390720
21,423,390,720 is an even composite number composed of six prime numbers multiplied together.
21423390720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred forty-four divisors.
Prime factorization of 21423390720:
216 × 3 × 5 × 19 × 31 × 37
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 19 × 31 × 37)See below for interesting mathematical facts about the number 21423390720 from the Numbermatics database.
Names of 21423390720
- Cardinal: 21423390720 can be written as Twenty-one billion, four hundred twenty-three million, three hundred ninety thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.142339072 × 1010
Factors of 21423390720
Divisors of 21423390720
- Number of divisors d(n): 544
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 31 32 37 38 40 48 57 60 62 64 74 76 80 93 95 96 111 114 120 124 128 148 152 155 160 185 186 190 192 222 228 240 248 256 285 296 304 310 320 370 372 380 384 444 456 465 480 496 512 555 570 589 592 608 620 640 703 740 744 760 768 888 912 930 960 992 1024 1110 1140 1147 1178 1184 1216 1240 1280 1406 1480 1488 1520 1536 1767 1776 1824 1860 1920 1984 2048 2109 2220 2280 2294 2356 2368 2432 2480 2560 2812 2945 2960 2976 3040 3072 3441 3515 3534 3552 3648 3720 3840 3968 4096 4218 4440 4560 4588 4712 4736 4864 4960 5120 5624 5735 5890 5920 5952 6080 6144 6882 7030 7068 7104 7296 7440 7680 7936 8192 8436 8835 8880 9120 9176 9424 9472 9728 9920 10240 10545 11248 11470 11780 11840 11904 12160 12288 13764 14060 14136 14208 14592 14880 15360 15872 16384 16872 17205 17670 17760 18240 18352 18848 18944 19456 19840 20480 21090 21793 22496 22940 23560 23680 23808 24320 24576 27528 28120 28272 28416 29184 29760 30720 31744 32768 33744 34410 35340 35520 36480 36704 37696 37888 38912 39680 40960 42180 43586 44992 45880 47120 47360 47616 48640 49152 55056 56240 56544 56832 58368 59520 61440 63488 65379 65536 67488 68820 70680 71040 72960 73408 75392 75776 77824 79360 81920 84360 87172 89984 91760 94240 94720 95232 97280 98304 108965 110112 112480 113088 113664 116736 119040 122880 126976 130758 134976 137640 141360 142080 145920 146816 150784 151552 155648 158720 163840 168720 174344 179968 183520 188480 189440 190464 194560 196608 217930 220224 224960 226176 227328 233472 238080 245760 253952 261516 269952 275280 282720 284160 291840 293632 301568 303104 311296 317440 326895 327680 337440 348688 359936 367040 376960 378880 380928 389120 435860 440448 449920 452352 454656 466944 476160 491520 507904 523032 539904 550560 565440 568320 583680 587264 603136 606208 622592 634880 653790 674880 697376 719872 734080 753920 757760 761856 778240 871720 880896 899840 904704 909312 933888 952320 983040 1015808 1046064 1079808 1101120 1130880 1136640 1167360 1174528 1206272 1212416 1245184 1269760 1307580 1349760 1394752 1439744 1468160 1507840 1515520 1523712 1556480 1743440 1761792 1799680 1809408 1818624 1867776 1904640 2031616 2092128 2159616 2202240 2261760 2273280 2334720 2349056 2412544 2424832 2539520 2615160 2699520 2789504 2879488 2936320 3015680 3031040 3047424 3112960 3486880 3523584 3599360 3618816 3637248 3735552 3809280 4184256 4319232 4404480 4523520 4546560 4669440 4698112 4825088 5079040 5230320 5399040 5579008 5758976 5872640 6031360 6062080 6094848 6225920 6973760 7047168 7198720 7237632 7274496 7618560 8368512 8638464 8808960 9047040 9093120 9338880 9396224 9650176 10158080 10460640 10798080 11158016 11517952 11745280 12062720 12124160 13947520 14094336 14397440 14475264 15237120 16737024 17276928 17617920 18094080 18186240 18677760 18792448 19300352 20921280 21596160 22316032 23035904 23490560 24125440 27895040 28188672 28794880 28950528 30474240 33474048 34553856 35235840 36188160 36372480 37584896 38600704 41842560 43192320 44632064 46071808 46981120 48250880 55790080 56377344 57589760 57901056 66948096 69107712 70471680 72376320 75169792 83685120 86384640 89264128 93962240 96501760 111580160 112754688 115179520 115802112 133896192 138215424 140943360 144752640 167370240 172769280 178528256 187924480 193003520 223160320 225509376 230359040 267792384 281886720 289505280 334740480 345538560 357056512 375848960 446320640 535584768 563773440 579010560 669480960 691077120 714113024 892641280 1071169536 1127546880 1338961920 1428226048 1785282560 2142339072 2677923840 3570565120 4284678144 5355847680 7141130240 10711695360 21423390720
- Sum of all divisors σ(n): 76503521280
- Sum of proper divisors (its aliquot sum) s(n): 55080130560
- 21423390720 is an abundant number, because the sum of its proper divisors (55080130560) is greater than itself. Its abundance is 33656739840
Bases of 21423390720
- Binary: 100111111001110111100000000000000002
- Hexadecimal: 0x4FCEF0000
- Base-36: 9UAXM2O
Squares and roots of 21423390720
- 21423390720 squared (214233907202) is 458961669941782118400
- 21423390720 cubed (214233907203) is 9832515180666477975592501248000
-
The
square root of 21423390720 is 146367.3143840521 -
The
cube root of 21423390720 is 2777.3422626769
Scales and comparisons
How big is 21423390720?- 21,423,390,720 seconds is equal to 681 years, 10 weeks, 1 day, 21 hours, 52 minutes.
-
To count from 1 to 21,423,390,720 would take you about one thousand, three hundred sixty-two 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 21423390720 cubic inches would be around 231.4 feet tall.
Recreational maths with 21423390720
- 21423390720 backwards is 02709332412
- The number of decimal digits it has is: 11
- The sum of 21423390720's digits is 33
- More coming soon!
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