21470917320

Names of 21470917320

• Cardinal: 21470917320 can be written as Twenty-one billion, four hundred seventy million, nine hundred seventeen thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.147091732 × 10¹⁰

Factors of 21470917320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2371

Divisors of 21470917320

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 27 30 36 38 40 45 54 57 60 72 76 90 95 108 114 120 135 152 171 180 190 216 228 270 285 342 360 380 456 513 540 570 601 684 760 855 1026 1080 1140 1202 1368 1710 1741 1803 2052 2280 2404 2565 3005 3420 3482 3606 4104 4808 5130 5223 5409 6010 6840 6964 7212 8705 9015 10260 10446 10818 11419 12020 13928 14424 15669 16227 17410 18030 20520 20892 21636 22838 24040 26115 27045 31338 32454 33079 34257 34820 36060 41784 43272 45676 47007 52230 54090 57095 62676 64908 66158 68514 69640 72120 78345 81135 91352 94014 99237 102771 104460 108180 114190 125352 129816 132316 137028 156690 162270 165395 171285 188028 198474 205542 208920 216360 228380 235035 264632 274056 297711 308313 313380 324540 330790 342570 376056 396948 411084 456760 470070 496185 513855 595422 616626 626760 649080 661580 685140 793896 822168 893133 940140 992370 1027710 1046341 1190844 1233252 1323160 1370280 1488555 1541565 1786266 1880280 1984740 2055420 2092682 2381688 2466504 2977110 3083130 3139023 3572532 3969480 4110840 4185364 4465665 5231705 5954220 6166260 6278046 7145064 8370728 8931330 9417069 10463410 11908440 12332520 12556092 15695115 17862660 18834138 19880479 20926820 25112184 28251207 31390230 35725320 37668276 39760958 41853640 47085345 56502414 59641437 62780460 75336552 79521916 94170690 99402395 113004828 119282874 125560920 141256035 159043832 178924311 188341380 198804790 226009656 238565748 282512070 298207185 357848622 376682760 397609580 477131496 536772933 565024140 596414370 715697244 795219160 894621555 1073545866 1130048280 1192828740 1431394488 1789243110 2147091732 2385657480 2683864665 3578486220 4294183464 5367729330 7156972440 10735458660 21470917320
• Sum of all divisors σ(n): 75505248000
• Sum of proper divisors (its aliquot sum) s(n): 54034330680
• 21470917320 is an abundant number, because the sum of its proper divisors (54034330680) is greater than itself. Its abundance is 32563413360

Bases of 21470917320

• Binary: 10011111111110001000011001011001000₂
• Hexadecimal: 0x4FFC432C8
• Base-36: 9V389U0

Squares and roots of 21470917320

• 21470917320 squared (21470917320²) is 461000290562275982400
• 21470917320 cubed (21470917320³) is 9898099123158603929132175168000
• The square root of 21470917320 is 146529.5783110017
• The cube root of 21470917320 is 2779.3945388833

Scales and comparisons

• 21,470,917,320 seconds is equal to 682 years, 36 weeks, 5 days, 23 hours, 42 minutes.
• To count from 1 to 21,470,917,320 would take you about one thousand, three hundred sixty-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 21470917320 cubic inches would be around 231.6 feet tall.

Recreational maths with 21470917320

• 21470917320 backwards is 02371907412
• 21470917320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21470917320's digits is 36
• More coming soon!