21160542720

Names of 21160542720

• Cardinal: 21160542720 can be written as Twenty-one billion, one hundred sixty million, five hundred forty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.116054272 × 10¹⁰

Factors of 21160542720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 819

Divisors of 21160542720

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 37 40 48 60 64 74 80 96 111 113 120 128 148 160 185 192 222 226 240 256 296 320 339 370 384 444 452 480 512 555 565 592 640 659 678 740 768 888 904 960 1110 1130 1184 1280 1318 1356 1480 1536 1695 1776 1808 1920 1977 2220 2260 2368 2560 2636 2712 2960 3295 3390 3552 3616 3840 3954 4181 4440 4520 4736 5272 5424 5920 6590 6780 7104 7232 7680 7908 8362 8880 9040 9472 9885 10544 10848 11840 12543 13180 13560 14208 14464 15816 16724 17760 18080 18944 19770 20905 21088 21696 23680 24383 25086 26360 27120 28416 28928 31632 33448 35520 36160 39540 41810 42176 43392 47360 48766 50172 52720 54240 56832 57856 62715 63264 66896 71040 72320 73149 74467 79080 83620 84352 86784 94720 97532 100344 105440 108480 121915 125430 126528 133792 142080 144640 146298 148934 158160 167240 168704 173568 195064 200688 210880 216960 223401 243830 250860 253056 267584 284160 289280 292596 297868 316320 334480 337408 365745 372335 390128 401376 421760 433920 446802 487660 501720 506112 535168 585192 595736 632640 668960 731490 744670 780256 802752 843520 867840 893604 975320 1003440 1012224 1070336 1117005 1170384 1191472 1265280 1337920 1462980 1489340 1560512 1605504 1687040 1787208 1950640 2006880 2140672 2234010 2340768 2382944 2530560 2675840 2755279 2925960 2978680 3121024 3211008 3574416 3901280 4013760 4468020 4681536 4765888 5061120 5351680 5510558 5851920 5957360 6242048 6422016 7148832 7802560 8027520 8265837 8936040 9363072 9531776 10703360 11021116 11703840 11914720 12484096 13776395 14297664 15605120 16055040 16531674 17872080 18726144 19063552 22042232 23407680 23829440 27552790 28595328 31210240 32110080 33063348 35744160 37452288 38127104 41329185 44084464 46815360 47658880 55105580 57190656 62420480 66126696 71488320 82658370 88168928 93630720 95317760 110211160 114381312 132253392 142976640 165316740 176337856 187261440 190635520 220422320 264506784 285953280 330633480 352675712 440844640 529013568 571906560 661266960 705351424 881689280 1058027136 1322533920 1410702848 1763378560 2116054272 2645067840 3526757120 4232108544 5290135680 7053514240 10580271360 21160542720
• Sum of all divisors σ(n): 70197114240
• Sum of proper divisors (its aliquot sum) s(n): 49036571520
• 21160542720 is an abundant number, because the sum of its proper divisors (49036571520) is greater than itself. Its abundance is 27876028800

Bases of 21160542720

• Binary: 10011101101010001000100001000000000₂
• Hexadecimal: 0x4ED444200
• Base-36: 9PYFV9C

Squares and roots of 21160542720

• 21160542720 squared (21160542720²) is 447768568204944998400
• 21160542720 cubed (21160542720³) is 9475025916173972353893531648000
• The square root of 21160542720 is 145466.6378246227
• The cube root of 21160542720 is 2765.9368947311

Scales and comparisons

• 21,160,542,720 seconds is equal to 672 years, 43 weeks, 4 days, 16 hours, 32 minutes.
• To count from 1 to 21,160,542,720 would take you about one thousand, three hundred forty-five 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 21160542720 cubic inches would be around 230.5 feet tall.

Recreational maths with 21160542720

• 21160542720 backwards is 02724506112
• 21160542720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21160542720's digits is 30
• More coming soon!