21290700800

Names of 21290700800

• Cardinal: 21290700800 can be written as Twenty-one billion, two hundred ninety million, seven hundred thousand, eight hundred.

Scientific notation

• Scientific notation: 2.12907008 × 10¹⁰

Factors of 21290700800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 410

Divisors of 21290700800

• Number of divisors d(n): 312
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 31 32 38 40 50 62 64 76 80 95 100 124 128 152 155 160 190 200 248 256 304 310 320 353 380 400 475 496 512 589 608 620 640 706 760 775 800 950 992 1024 1178 1216 1240 1280 1412 1520 1550 1600 1765 1900 1984 2048 2356 2432 2480 2560 2824 2945 3040 3100 3200 3530 3800 3968 4096 4712 4864 4960 5120 5648 5890 6080 6200 6400 6707 7060 7600 7936 8825 9424 9728 9920 10240 10943 11296 11780 12160 12400 12800 13414 14120 14725 15200 15872 17650 18848 19456 19840 20480 21886 22592 23560 24320 24800 25600 26828 28240 29450 30400 31744 33535 35300 37696 38912 39680 43772 45184 47120 48640 49600 51200 53656 54715 56480 58900 60800 63488 67070 70600 75392 77824 79360 87544 90368 94240 97280 99200 102400 107312 109430 112960 117800 121600 126976 134140 141200 150784 158720 167675 175088 180736 188480 194560 198400 207917 214624 218860 225920 235600 243200 268280 273575 282400 301568 317440 335350 350176 361472 376960 389120 396800 415834 429248 437720 451840 471200 486400 536560 547150 564800 603136 634880 670700 700352 722944 753920 793600 831668 858496 875440 903680 942400 972800 1039585 1073120 1094300 1129600 1206272 1341400 1400704 1445888 1507840 1587200 1663336 1716992 1750880 1807360 1884800 1945600 2079170 2146240 2188600 2259200 2412544 2682800 2801408 3015680 3174400 3326672 3433984 3501760 3614720 3769600 4158340 4292480 4377200 4518400 5197925 5365600 5602816 6031360 6653344 6867968 7003520 7229440 7539200 8316680 8584960 8754400 9036800 10395850 10731200 11205632 12062720 13306688 13735936 14007040 15078400 16633360 17169920 17508800 18073600 20791700 21462400 22411264 26613376 27471872 28014080 30156800 33266720 34339840 35017600 36147200 41583400 42924800 44822528 53226752 56028160 60313600 66533440 68679680 70035200 83166800 85849600 106453504 112056320 133066880 137359360 140070400 166333600 171699200 212907008 224112640 266133760 280140800 332667200 343398400 425814016 532267520 560281600 665334400 686796800 851628032 1064535040 1120563200 1330668800 2129070080 2661337600 4258140160 5322675200 10645350400 21290700800
• Sum of all divisors σ(n): 57528341760
• Sum of proper divisors (its aliquot sum) s(n): 36237640960
• 21290700800 is an abundant number, because the sum of its proper divisors (36237640960) is greater than itself. Its abundance is 14946940160

Bases of 21290700800

• Binary: 10011110101000001100101000000000000₂
• Hexadecimal: 0x4F5065000
• Base-36: 9S3XLVK

Squares and roots of 21290700800

• 21290700800 squared (21290700800²) is 453293940555120640000
• 21290700800 cubed (21290700800³) is 9650945662812059454144512000000
• The square root of 21290700800 is 145913.3331810359
• The cube root of 21290700800 is 2771.5963811361

Scales and comparisons

• 21,290,700,800 seconds is equal to 676 years, 50 weeks, 6 days, 3 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,290,700,800 would take you about one thousand, three hundred fifty-three 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 21290700800 cubic inches would be around 231 feet tall.

Recreational maths with 21290700800

• 21290700800 backwards is 00800709212
• The number of decimal digits it has is: 11
• The sum of 21290700800's digits is 29
• More coming soon!