21700689920

Names of 21700689920

• Cardinal: 21700689920 can be written as Twenty-one billion, seven hundred million, six hundred eighty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.170068992 × 10¹⁰

Factors of 21700689920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 139

Divisors of 21700689920

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 41 52 56 64 65 70 71 80 82 91 104 112 128 130 140 142 160 164 182 205 208 224 256 260 280 284 287 320 328 355 364 410 416 448 455 497 512 520 533 560 568 574 640 656 710 728 820 832 896 910 923 994 1024 1040 1066 1120 1136 1148 1280 1312 1420 1435 1456 1640 1664 1792 1820 1846 1988 2048 2080 2132 2240 2272 2296 2485 2560 2624 2665 2840 2870 2911 2912 3280 3328 3584 3640 3692 3731 3976 4096 4160 4264 4480 4544 4592 4615 4970 5120 5248 5330 5680 5740 5822 5824 6461 6560 6656 7168 7280 7384 7462 7952 8192 8320 8528 8960 9088 9184 9230 9940 10240 10496 10660 11360 11480 11644 11648 12922 13120 13312 14336 14555 14560 14768 14924 15904 16384 16640 17056 17920 18176 18368 18460 18655 19880 20377 20480 20992 21320 22720 22960 23288 23296 25844 26240 26624 28672 29110 29120 29536 29848 31808 32305 33280 34112 35840 36352 36736 36920 37310 37843 39760 40754 40960 41984 42640 45440 45920 46576 46592 51688 52480 53248 57344 58220 58240 59072 59696 63616 64610 66560 68224 71680 72704 73472 73840 74620 75686 79520 81508 81920 83968 85280 90880 91840 93152 93184 101885 103376 104960 106496 114688 116440 116480 118144 119392 127232 129220 133120 136448 143360 145408 146944 147680 149240 151372 159040 163016 167936 170560 181760 183680 186304 186368 189215 203770 206752 209920 212992 232880 232960 236288 238784 254464 258440 264901 266240 272896 286720 290816 293888 295360 298480 302744 318080 326032 335872 341120 363520 367360 372608 372736 378430 407540 413504 419840 465760 465920 472576 477568 508928 516880 529802 532480 545792 573440 581632 587776 590720 596960 605488 636160 652064 671744 682240 727040 734720 745216 745472 756860 815080 827008 839680 931520 931840 945152 955136 1017856 1033760 1059604 1064960 1091584 1163264 1175552 1181440 1193920 1210976 1272320 1304128 1324505 1364480 1454080 1469440 1490432 1490944 1513720 1630160 1654016 1679360 1863040 1863680 1890304 1910272 2035712 2067520 2119208 2183168 2351104 2362880 2387840 2421952 2544640 2608256 2649010 2728960 2908160 2938880 2980864 3027440 3260320 3308032 3358720 3726080 3727360 3780608 3820544 4071424 4135040 4238416 4366336 4702208 4725760 4775680 4843904 5089280 5216512 5298020 5457920 5816320 5877760 5961728 6054880 6520640 6616064 7452160 7454720 7561216 7641088 8142848 8270080 8476832 8732672 9451520 9551360 9687808 10178560 10433024 10596040 10915840 11755520 11923456 12109760 13041280 13232128 14904320 15122432 15282176 16540160 16953664 18903040 19102720 19375616 20357120 20866048 21192080 21831680 23511040 23846912 24219520 26082560 26464256 29808640 30564352 33080320 33907328 37806080 38205440 38751232 40714240 41732096 42384160 43663360 47693824 48439040 52165120 52928512 59617280 61128704 66160640 67814656 75612160 76410880 77502464 83464192 84768320 96878080 104330240 105857024 119234560 132321280 135629312 152821760 155004928 166928384 169536640 193756160 208660480 238469120 264642560 271258624 305643520 310009856 333856768 339073280 387512320 417320960 529285120 542517248 620019712 678146560 775024640 834641920 1085034496 1356293120 1550049280 1669283840 2170068992 2712586240 3100098560 4340137984 5425172480 10850344960 21700689920
• Sum of all divisors σ(n): 66586738176
• Sum of proper divisors (its aliquot sum) s(n): 44886048256
• 21700689920 is an abundant number, because the sum of its proper divisors (44886048256) is greater than itself. Its abundance is 23185358336

Bases of 21700689920

• Binary: 10100001101011101100100000000000000₂
• Hexadecimal: 0x50D764000
• Base-36: 9YW13I8

Squares and roots of 21700689920

• 21700689920 squared (21700689920²) is 470919943003989606400
• 21700689920 cubed (21700689920³) is 10219287660273651771389247488000
• The square root of 21700689920 is 147311.5403490167
• The cube root of 21700689920 is 2789.2740119347

Scales and comparisons

• 21,700,689,920 seconds is equal to 690 years, 5 days, 9 hours, 25 minutes, 20 seconds.
• To count from 1 to 21,700,689,920 would take you about one thousand, three hundred eighty 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 21700689920 cubic inches would be around 232.4 feet tall.

Recreational maths with 21700689920

• 21700689920 backwards is 02998600712
• The number of decimal digits it has is: 11
• The sum of 21700689920's digits is 44
• More coming soon!