21079900480

Names of 21079900480

• Cardinal: 21079900480 can be written as Twenty-one billion, seventy-nine million, nine hundred thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.107990048 × 10¹⁰

Factors of 21079900480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 146

Divisors of 21079900480

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 32 37 40 58 64 73 74 80 116 145 146 148 160 185 232 290 292 296 320 365 370 464 580 584 592 730 740 841 928 1073 1160 1168 1184 1460 1480 1682 1856 2117 2146 2320 2336 2368 2701 2920 2960 3364 4205 4234 4292 4640 4672 5365 5402 5840 5920 6728 8410 8468 8584 9280 10585 10730 10804 11680 11840 13456 13505 16820 16936 17168 21170 21460 21608 23360 24389 26912 27010 31117 33640 33872 34336 42340 42920 43216 48778 53824 54020 61393 62234 67280 67744 68672 78329 84680 85840 86432 97556 108040 121945 122786 124468 134560 135488 155585 156658 169360 171680 172864 195112 216080 243890 245572 248936 269120 306965 311170 313316 338720 343360 390224 391645 432160 487780 491144 497872 613930 622340 626632 677440 780448 783290 864320 902393 975560 982288 995744 1227860 1244680 1253264 1560896 1566580 1780397 1804786 1951120 1964576 1991488 2271541 2455720 2489360 2506528 3133160 3560794 3609572 3902240 3929152 4511965 4543082 4911440 4978720 5013056 6266320 7121588 7219144 7804480 8901985 9023930 9086164 9822880 9957440 11357705 12532640 14243176 14438288 17803970 18047860 18172328 19645760 22715410 25065280 28486352 28876576 35607940 36095720 36344656 45430820 56972704 57753152 65874689 71215880 72191440 72689312 90861640 113945408 131749378 142431760 144382880 145378624 181723280 263498756 284863520 288765760 329373445 363446560 526997512 569727040 658746890 726893120 1053995024 1317493780 2107990048 2634987560 4215980096 5269975120 10539950240 21079900480
• Sum of all divisors σ(n): 54125713440
• Sum of proper divisors (its aliquot sum) s(n): 33045812960
• 21079900480 is an abundant number, because the sum of its proper divisors (33045812960) is greater than itself. Its abundance is 11965912480

Bases of 21079900480

• Binary: 10011101000011101011100000101000000₂
• Hexadecimal: 0x4E875C140
• Base-36: 9OMFFB4

Squares and roots of 21079900480

• 21079900480 squared (21079900480²) is 444362204246704230400
• 21079900480 cubed (21079900480³) is 9367111042593958544826990592000
• The square root of 21079900480 is 145189.1885782133
• The cube root of 21079900480 is 2762.4187855979

Scales and comparisons

• 21,079,900,480 seconds is equal to 670 years, 14 weeks, 2 days, 7 hours, 54 minutes, 40 seconds.
• To count from 1 to 21,079,900,480 would take you about one thousand, three hundred forty 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 21079900480 cubic inches would be around 230.2 feet tall.

Recreational maths with 21079900480

• 21079900480 backwards is 08400997012
• 21079900480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21079900480's digits is 40
• More coming soon!