21007001600

Names of 21007001600

• Cardinal: 21007001600 can be written as Twenty-one billion, seven million, one thousand, six hundred.

Scientific notation

• Scientific notation: 2.10070016 × 10¹⁰

Factors of 21007001600

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 910

Divisors of 21007001600

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 37 40 50 52 64 65 74 80 100 104 128 130 148 160 185 200 208 256 260 296 320 325 370 400 416 481 512 520 592 640 650 740 800 832 853 925 962 1024 1040 1184 1280 1300 1480 1600 1664 1706 1850 1924 2048 2080 2368 2405 2560 2600 2960 3200 3328 3412 3700 3848 4160 4265 4736 4810 5120 5200 5920 6400 6656 6824 7400 7696 8320 8530 9472 9620 10240 10400 11089 11840 12025 12800 13312 13648 14800 15392 16640 17060 18944 19240 20800 21325 22178 23680 24050 25600 26624 27296 29600 30784 31561 33280 34120 37888 38480 41600 42650 44356 47360 48100 51200 54592 55445 59200 61568 63122 66560 68240 75776 76960 83200 85300 88712 94720 96200 109184 110890 118400 123136 126244 133120 136480 153920 157805 166400 170600 177424 189440 192400 218368 221780 236800 246272 252488 272960 277225 307840 315610 332800 341200 354848 378880 384800 410293 436736 443560 473600 492544 504976 545920 554450 615680 631220 665600 682400 709696 769600 789025 820586 873472 887120 947200 985088 1009952 1091840 1108900 1231360 1262440 1364800 1419392 1539200 1578050 1641172 1746944 1774240 1894400 2019904 2051465 2183680 2217800 2462720 2524880 2729600 2838784 3078400 3156100 3282344 3548480 4039808 4102930 4367360 4435600 4925440 5049760 5459200 5677568 6156800 6312200 6564688 7096960 8079616 8205860 8734720 8871200 10099520 10257325 10918400 11355136 12313600 12624400 13129376 14193920 16159232 16411720 17742400 20199040 20514650 21836800 22710272 24627200 25248800 26258752 28387840 32318464 32823440 35484800 40398080 41029300 43673600 50497600 52517504 56775680 64636928 65646880 70969600 80796160 82058600 100995200 105035008 113551360 131293760 141939200 161592320 164117200 201990400 210070016 262587520 283878400 323184640 328234400 403980800 420140032 525175040 567756800 656468800 807961600 840280064 1050350080 1312937600 1615923200 2100700160 2625875200 4201400320 5251750400 10503500800 21007001600
• Sum of all divisors σ(n): 57674667960
• Sum of proper divisors (its aliquot sum) s(n): 36667666360
• 21007001600 is an abundant number, because the sum of its proper divisors (36667666360) is greater than itself. Its abundance is 15660664760

Bases of 21007001600

• Binary: 10011100100000111010110100000000000₂
• Hexadecimal: 0x4E41D6800
• Base-36: 9NF0Y68

Squares and roots of 21007001600

• 21007001600 squared (21007001600²) is 441294116222402560000
• 21007001600 cubed (21007001600³) is 9270266205554596533764096000000
• The square root of 21007001600 is 144937.9232637201
• The cube root of 21007001600 is 2759.2307595097

Scales and comparisons

• 21,007,001,600 seconds is equal to 667 years, 49 weeks, 5 days, 14 hours, 13 minutes, 20 seconds.
• To count from 1 to 21,007,001,600 would take you about one thousand, three hundred thirty-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 21007001600 cubic inches would be around 229.9 feet tall.

Recreational maths with 21007001600

• 21007001600 backwards is 00610070012
• The number of decimal digits it has is: 11
• The sum of 21007001600's digits is 17
• More coming soon!