21013401600

Names of 21013401600

• Cardinal: 21013401600 can be written as Twenty-one billion, thirteen million, four hundred one thousand, six hundred.

Scientific notation

• Scientific notation: 2.10134016 × 10¹⁰

Factors of 21013401600

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 161

Divisors of 21013401600

• Number of divisors d(n): 351
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 151 160 180 192 200 225 240 256 288 300 302 320 360 384 400 450 453 480 512 576 600 604 640 720 755 768 800 900 906 960 1024 1152 1200 1208 1280 1359 1440 1510 1536 1600 1800 1812 1920 2048 2265 2304 2400 2416 2560 2718 2880 3020 3072 3200 3600 3624 3775 3840 4096 4530 4608 4800 4832 5120 5436 5760 6040 6144 6400 6795 7200 7248 7550 7680 9060 9216 9600 9664 10240 10872 11325 11520 12080 12288 12800 13590 14400 14496 15100 15360 18120 18432 19200 19328 20480 21744 22650 22801 23040 24160 25600 27180 28800 28992 30200 30720 33975 36240 36864 38400 38656 43488 45300 45602 46080 48320 51200 54360 57600 57984 60400 61440 67950 68403 72480 76800 77312 86976 90600 91204 92160 96640 102400 108720 114005 115200 115968 120800 135900 136806 144960 153600 154624 173952 181200 182408 184320 193280 205209 217440 228010 230400 231936 241600 271800 273612 289920 307200 309248 342015 347904 362400 364816 386560 410418 434880 456020 460800 463872 483200 543600 547224 570025 579840 618496 684030 695808 724800 729632 773120 820836 869760 912040 921600 927744 966400 1026045 1087200 1094448 1140050 1159680 1368060 1391616 1449600 1459264 1546240 1641672 1710075 1739520 1824080 1855488 1932800 2052090 2174400 2188896 2280100 2319360 2736120 2783232 2899200 2918528 3092480 3283344 3420150 3479040 3648160 3865600 4104180 4348800 4377792 4560200 4638720 5130225 5472240 5566464 5798400 5837056 6566688 6840300 6958080 7296320 7731200 8208360 8697600 8755584 9120400 9277440 10260450 10944480 11596800 11674112 13133376 13680600 13916160 14592640 15462400 16416720 17395200 17511168 18240800 20520900 21888960 23193600 23348224 26266752 27361200 27832320 29185280 32833440 34790400 35022336 36481600 41041800 43777920 46387200 46696448 52533504 54722400 58370560 65666880 69580800 70044672 72963200 82083600 87555840 93392896 105067008 109444800 116741120 131333760 139161600 140089344 145926400 164167200 175111680 210134016 218889600 233482240 262667520 280178688 291852800 328334400 350223360 420268032 437779200 466964480 525335040 583705600 656668800 700446720 840536064 875558400 1050670080 1167411200 1313337600 1400893440 1751116800 2101340160 2334822400 2626675200 3502233600 4202680320 5253350400 7004467200 10506700800 21013401600
• Sum of all divisors σ(n): 75767233269
• Sum of proper divisors (its aliquot sum) s(n): 54753831669
• 21013401600 is an abundant number, because the sum of its proper divisors (54753831669) is greater than itself. Its abundance is 33740430069

Bases of 21013401600

• Binary: 10011100100011111110001000000000000₂
• Hexadecimal: 0x4E47F1000
• Base-36: 9NIU4G0

Squares and roots of 21013401600

• 21013401600 squared (21013401600²) is 441563046802882560000
• 21013401600 cubed (21013401600³) is 9278741634188567270916096000000
• 21013401600 is a perfect square number. Its square root is 144960
• The cube root of 21013401600 is 2759.5109404411

Scales and comparisons

• 21,013,401,600 seconds is equal to 668 years, 8 weeks, 2 days, 16 hours.
• To count from 1 to 21,013,401,600 would take you about one thousand, three hundred thirty-six 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 21013401600 cubic inches would be around 230 feet tall.

Recreational maths with 21013401600

• 21013401600 backwards is 00610431012
• 21013401600 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21013401600's digits is 18
• More coming soon!