21708213120

Names of 21708213120

• Cardinal: 21708213120 can be written as Twenty-one billion, seven hundred eight million, two hundred thirteen thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.170821312 × 10¹⁰

Factors of 21708213120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 31168

Divisors of 21708213120

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 121 128 132 144 160 165 176 180 192 198 220 240 242 264 288 320 330 352 360 363 384 396 440 480 484 495 528 576 605 640 660 704 720 726 792 880 960 968 990 1056 1089 1152 1210 1320 1408 1440 1452 1584 1760 1815 1920 1936 1980 2112 2178 2420 2640 2880 2904 3168 3520 3630 3872 3960 4224 4356 4840 5280 5445 5760 5808 6336 7040 7260 7744 7920 8712 9680 10560 10890 11616 12672 14520 15488 15840 17424 19360 21120 21780 23232 29040 31147 31680 34848 38720 43560 46464 58080 62294 63360 69696 77440 87120 93441 116160 124588 139392 155735 174240 186882 232320 249176 280323 311470 342617 348480 373764 467205 498352 560646 622940 685234 696960 747528 934410 996704 1027851 1121292 1245880 1370468 1401615 1495056 1713085 1868820 1993408 2055702 2242584 2491760 2740936 2803230 2990112 3083553 3426170 3737640 3768787 3986816 4111404 4485168 4983520 5139255 5481872 5606460 5980224 6167106 6852340 7475280 7537574 8222808 8970336 9967040 10278510 10963744 11212920 11306361 11960448 12334212 13704680 14950560 15075148 15417765 16445616 17940672 18843935 19934080 20557020 21927488 22425840 22612722 24668424 27409360 29901120 30150296 30835530 32891232 33919083 35881344 37687870 41114040 43854976 44851680 45225444 49336848 54818720 56531805 59802240 60300592 61671060 65782464 67838166 75375740 82228080 89703360 90450888 98673696 109637440 113063610 120601184 123342120 131564928 135676332 150751480 164456160 169595415 179406720 180901776 197347392 219274880 226127220 241202368 246684240 271352664 301502960 328912320 339190830 361803552 394694784 452254440 482404736 493368480 542705328 603005920 657824640 678381660 723607104 904508880 986736960 1085410656 1206011840 1356763320 1447214208 1809017760 1973473920 2170821312 2412023680 2713526640 3618035520 4341642624 5427053280 7236071040 10854106560 21708213120
• Sum of all divisors σ(n): 82397984760
• Sum of proper divisors (its aliquot sum) s(n): 60689771640
• 21708213120 is an abundant number, because the sum of its proper divisors (60689771640) is greater than itself. Its abundance is 38981558520

Bases of 21708213120

• Binary: 10100001101111010010000101110000000₂
• Hexadecimal: 0x50DE90B80
• Base-36: 9Z0ICG0

Squares and roots of 21708213120

• 21708213120 squared (21708213120²) is 471246516863340134400
• 21708213120 cubed (21708213120³) is 10229919820127061552604643328000
• The square root of 21708213120 is 147337.0731350395
• The cube root of 21708213120 is 2789.5963034047

Scales and comparisons

• 21,708,213,120 seconds is equal to 690 years, 13 weeks, 1 day, 11 hours, 12 minutes.
• To count from 1 to 21,708,213,120 would take you about one thousand, three hundred eighty 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 21708213120 cubic inches would be around 232.5 feet tall.

Recreational maths with 21708213120

• 21708213120 backwards is 02131280712
• The number of decimal digits it has is: 11
• The sum of 21708213120's digits is 27
• More coming soon!