21512107200

Names of 21512107200

• Cardinal: 21512107200 can be written as Twenty-one billion, five hundred twelve million, one hundred seven thousand, two hundred.

Scientific notation

• Scientific notation: 2.15121072 × 10¹⁰

Factors of 21512107200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 112

Divisors of 21512107200

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 29 30 32 40 48 50 58 60 64 73 75 80 87 96 100 116 120 145 146 150 160 174 192 200 219 232 240 290 292 300 320 348 365 400 435 438 464 480 580 584 600 696 725 730 800 841 870 876 928 960 1095 1160 1168 1200 1392 1450 1460 1600 1682 1740 1752 1825 1856 2117 2175 2190 2320 2336 2400 2523 2784 2900 2920 3364 3480 3504 3650 4205 4234 4350 4380 4640 4672 4800 5046 5329 5475 5568 5800 5840 6351 6728 6960 7008 7300 8410 8468 8700 8760 9280 10092 10585 10658 10950 11600 11680 12615 12702 13456 13920 14016 14600 15987 16820 16936 17400 17520 20184 21025 21170 21316 21900 23200 23360 25230 25404 26645 26912 27840 29200 31755 31974 33640 33872 34800 35040 40368 42050 42340 42632 43800 46400 50460 50808 52925 53290 53824 58400 61393 63075 63510 63948 67280 67744 69600 70080 79935 80736 84100 84680 85264 87600 100920 101616 105850 106580 116800 122786 126150 127020 127896 133225 134560 135488 139200 154541 158775 159870 161472 168200 169360 170528 175200 184179 201840 203232 211700 213160 245572 252300 254040 255792 266450 269120 306965 309082 317550 319740 336400 338720 341056 350400 368358 399675 403680 406464 423400 426320 463623 491144 504600 508080 511584 532900 613930 618164 635100 639480 672800 677440 736716 772705 799350 807360 846800 852640 920895 927246 982288 1009200 1016160 1023168 1065800 1227860 1236328 1270200 1278960 1345600 1473432 1534825 1545410 1598700 1693600 1705280 1841790 1854492 1964576 2018400 2032320 2131600 2318115 2455720 2472656 2540400 2557920 2946864 3069650 3090820 3197400 3387200 3683580 3708984 3863525 3929152 4036800 4263200 4481689 4604475 4636230 4911440 4945312 5080800 5115840 5893728 6139300 6181640 6394800 7367160 7417968 7727050 8526400 8963378 9208950 9272460 9822880 9890624 10161600 11590575 11787456 12278600 12363280 12789600 13445067 14734320 14835936 15454100 17926756 18417900 18544920 19645760 22408445 23181150 24557200 24726560 25579200 26890134 29468640 29671872 30908200 35853512 36835800 37089840 44816890 46362300 49114400 49453120 53780268 58937280 61816400 67225335 71707024 73671600 74179680 89633780 92724600 98228800 107560536 112042225 123632800 134450670 143414048 147343200 148359360 179267560 185449200 215121072 224084450 247265600 268901340 286828096 294686400 336126675 358535120 370898400 430242144 448168900 537802680 672253350 717070240 741796800 860484288 896337800 1075605360 1344506700 1434140480 1792675600 2151210720 2689013400 3585351200 4302421440 5378026800 7170702400 10756053600 21512107200
• Sum of all divisors σ(n): 74110292724
• Sum of proper divisors (its aliquot sum) s(n): 52598185524
• 21512107200 is an abundant number, because the sum of its proper divisors (52598185524) is greater than itself. Its abundance is 31086078324

Bases of 21512107200

• Binary: 10100000010001110001011010011000000₂
• Hexadecimal: 0x50238B4C0
• Base-36: 9VRR45C

Squares and roots of 21512107200

• 21512107200 squared (21512107200²) is 462770756184291840000
• 21512107200 cubed (21512107200³) is 9955174116061549018165248000000
• The square root of 21512107200 is 146670.0623849325
• The cube root of 21512107200 is 2781.1707368229

Scales and comparisons

• 21,512,107,200 seconds is equal to 684 years, 6 days, 17 hours, 20 minutes.
• To count from 1 to 21,512,107,200 would take you about one thousand, three hundred sixty-eight 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 21512107200 cubic inches would be around 231.8 feet tall.

Recreational maths with 21512107200

• 21512107200 backwards is 00270121512
• The number of decimal digits it has is: 11
• The sum of 21512107200's digits is 21
• More coming soon!