21299397120

Names of 21299397120

• Cardinal: 21299397120 can be written as Twenty-one billion, two hundred ninety-nine million, three hundred ninety-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.129939712 × 10¹⁰

Factors of 21299397120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 224

Divisors of 21299397120

• Number of divisors d(n): 560
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 101 108 113 120 128 135 144 160 162 180 192 202 216 226 240 243 256 270 288 303 320 324 339 360 384 404 405 432 452 480 486 505 512 540 565 576 606 640 648 678 720 729 768 808 810 864 904 909 960 972 1010 1017 1080 1130 1152 1212 1215 1280 1296 1356 1440 1458 1515 1536 1616 1620 1695 1728 1808 1818 1920 1944 2020 2034 2160 2260 2304 2424 2430 2560 2592 2712 2727 2880 2916 3030 3051 3232 3240 3390 3456 3616 3636 3645 3840 3888 4040 4068 4320 4520 4545 4608 4848 4860 5085 5184 5424 5454 5760 5832 6060 6102 6464 6480 6780 6912 7232 7272 7290 7680 7776 8080 8136 8181 8640 9040 9090 9153 9696 9720 10170 10368 10848 10908 11413 11520 11664 12120 12204 12928 12960 13560 13635 13824 14464 14544 14580 15255 15552 16160 16272 16362 17280 18080 18180 18306 19392 19440 20340 20736 21696 21816 22826 23040 23328 24240 24408 24543 25856 25920 27120 27270 27459 28928 29088 29160 30510 31104 32320 32544 32724 34239 34560 36160 36360 36612 38784 38880 40680 40905 41472 43392 43632 45652 45765 46656 48480 48816 49086 51712 51840 54240 54540 54918 57065 57856 58176 58320 61020 62208 64640 65088 65448 68478 69120 72320 72720 73224 73629 77568 77760 81360 81810 82377 86784 87264 91304 91530 93312 96960 97632 98172 102717 103680 108480 109080 109836 114130 116352 116640 122040 122715 124416 129280 130176 130896 136956 137295 144640 145440 146448 147258 155136 155520 162720 163620 164754 171195 173568 174528 182608 183060 186624 193920 195264 196344 205434 207360 216960 218160 219672 228260 232704 233280 244080 245430 258560 260352 261792 273912 274590 289280 290880 292896 294516 308151 311040 325440 327240 329508 342390 349056 365216 366120 368145 373248 387840 390528 392688 410868 411885 433920 436320 439344 456520 465408 466560 488160 490860 513585 520704 523584 547824 549180 581760 585792 589032 616302 622080 650880 654480 659016 684780 698112 730432 732240 736290 775680 781056 785376 821736 823770 867840 872640 878688 913040 924453 933120 976320 981720 1027170 1047168 1095648 1098360 1163520 1171584 1178064 1232604 1301760 1308960 1318032 1369560 1396224 1460864 1464480 1472580 1540755 1562112 1570752 1643472 1647540 1745280 1757376 1826080 1848906 1866240 1952640 1963440 2054340 2094336 2191296 2196720 2327040 2343168 2356128 2465208 2603520 2617920 2636064 2739120 2773359 2921728 2928960 2945160 3081510 3141504 3286944 3295080 3490560 3514752 3652160 3697812 3905280 3926880 4108680 4188672 4382592 4393440 4622265 4686336 4712256 4930416 5235840 5272128 5478240 5546718 5843456 5857920 5890320 6163020 6283008 6573888 6590160 6981120 7029504 7304320 7395624 7810560 7853760 8217360 8320077 8765184 8786880 9244530 9424512 9860832 10471680 10544256 10956480 11093436 11715840 11780640 12326040 12566016 13147776 13180320 13866795 14059008 14608640 14791248 15707520 16434720 16640154 17530368 17573760 18489060 18849024 19721664 20943360 21088512 21912960 22186872 23431680 23561280 24652080 26295552 26360640 27733590 29217280 29582496 31415040 32869440 33280308 35147520 36978120 37698048 39443328 41600385 42177024 43825920 44373744 47122560 49304160 52591104 52721280 55467180 59164992 62830080 65738880 66560616 70295040 73956240 78886656 83200770 87651840 88747488 94245120 98608320 105442560 110934360 118329984 131477760 133121232 147912480 157773312 166401540 177494976 188490240 197216640 210885120 221868720 236659968 262955520 266242464 295824960 332803080 354989952 394433280 443737440 473319936 532484928 591649920 665606160 709979904 788866560 887474880 1064969856 1183299840 1331212320 1419959808 1774949760 2129939712 2366599680 2662424640 3549899520 4259879424 5324849280 7099799040 10649698560 21299397120
• Sum of all divisors σ(n): 78010321752
• Sum of proper divisors (its aliquot sum) s(n): 56710924632
• 21299397120 is an abundant number, because the sum of its proper divisors (56710924632) is greater than itself. Its abundance is 35411527512

Bases of 21299397120

• Binary: 10011110101100010110000001000000000₂
• Hexadecimal: 0x4F58B0200
• Base-36: 9S94000

Squares and roots of 21299397120

• 21299397120 squared (21299397120²) is 453664317675464294400
• 21299397120 cubed (21299397120³) is 9662776461343549286806192128000
• The square root of 21299397120 is 145943.1297458021
• The cube root of 21299397120 is 2771.9736883991

Scales and comparisons

• 21,299,397,120 seconds is equal to 677 years, 13 weeks, 1 day, 19 hours, 12 minutes.
• To count from 1 to 21,299,397,120 would take you about one thousand, three hundred fifty-four 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 21299397120 cubic inches would be around 231 feet tall.

Recreational maths with 21299397120

• 21299397120 backwards is 02179399212
• 21299397120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21299397120's digits is 45
• More coming soon!