21121138772136

Names of 21121138772136

• Cardinal: 21121138772136 can be written as Twenty-one trillion, one hundred twenty-one billion, one hundred thirty-eight million, seven hundred seventy-two thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 2.1121138772136 × 10¹³

Factors of 21121138772136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 390

Divisors of 21121138772136

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 19 24 26 27 36 38 39 52 54 57 72 76 78 81 104 108 114 117 152 156 162 171 216 228 234 243 247 312 324 342 351 353 456 468 486 494 513 648 684 702 706 741 936 972 988 1026 1053 1059 1368 1404 1412 1482 1539 1944 1976 2052 2106 2118 2223 2808 2824 2964 3078 3159 3177 4104 4212 4236 4446 4589 4617 5928 6156 6318 6354 6669 6707 8424 8472 8892 9178 9234 9531 12312 12636 12708 13338 13414 13767 17784 18356 18468 19062 20007 20121 25272 25416 26676 26828 27534 28593 36712 36936 38124 40014 40242 41301 53352 53656 55068 57186 60021 60363 76248 80028 80484 82602 85779 87191 110136 114372 120042 120726 123903 124609 160056 160968 165204 171558 174382 181089 228744 240084 241452 247806 249218 261573 330408 343116 348764 362178 371709 373827 480168 482904 495612 498436 523146 543267 686232 697528 724356 743418 747654 784719 991224 996872 1046292 1086534 1115127 1121481 1448712 1486836 1495308 1569438 1619917 1629801 2092584 2173068 2230254 2242962 2354157 2367571 2973672 2990616 3138876 3239834 3259602 3364443 4346136 4460508 4485924 4708314 4735142 4859751 6277752 6479668 6519204 6728886 7062471 7102713 8921016 8971848 9416628 9470284 9719502 10093329 12959336 13038408 13457772 14124942 14205426 14579253 18833256 18940568 19439004 20186658 21187413 21308139 26915544 28249884 28410852 29158506 30279987 30778423 38878008 40373316 42374826 42616278 43737759 43986977 56499768 56821704 58317012 60559974 61556846 63924417 80746632 84749652 85232556 87475518 87973954 92335269 116634024 121119948 123113692 127848834 131213277 131960931 169499304 170465112 174951036 175947908 184670538 191773251 242239896 246227384 255697668 262426554 263921862 277005807 349902072 351895816 369341076 383546502 393639831 395882793 511395336 524853108 527843724 554011614 571830701 575319753 738682152 767093004 787279662 791765586 831017421 835752563 1049706216 1055687448 1108023228 1143661402 1150639506 1187648379 1534186008 1574559324 1583531172 1662034842 1671505126 1715492103 2216046456 2287322804 2301279012 2375296758 2493052263 2507257689 3149118648 3167062344 3324069684 3343010252 3430984206 3562945137 4574645608 4602558024 4750593516 4986104526 5014515378 5146476309 6648139368 6686020504 6861968412 7125890274 7479156789 7521773067 9501187032 9972209052 10029030756 10292952618 10688835411 10864783319 13723936824 14251780548 14958313578 15043546134 15439428927 19944418104 20058061512 20585905236 21377670822 21729566638 22565319201 28503561096 29916627156 30087092268 30878857854 32594349957 41171810472 42755341644 43459133276 45130638402 46318286781 59833254312 60174184536 61757715708 65188699914 67695957603 85510683288 86918266552 90261276804 92636573562 97783049871 123515431416 130377399828 135391915206 138954860343 180522553608 185273147124 195566099742 203087872809 260754799656 270783830412 277909720686 293349149613 370546294248 391132199484 406175745618 541567660824 555819441372 586698299226 782264398968 812351491236 880047448839 1111638882744 1173396598452 1624702982472 1760094897678 2346793196904 2640142346517 3520189795356 5280284693034 7040379590712 10560569386068 21121138772136
• Sum of all divisors σ(n): 67438333872000
• Sum of proper divisors (its aliquot sum) s(n): 46317195099864
• 21121138772136 is an abundant number, because the sum of its proper divisors (46317195099864) is greater than itself. Its abundance is 25196056327728

Bases of 21121138772136

• Binary: 100110011010110100101111110010100100010101000₂
• Hexadecimal: 0x1335A5F948A8
• Base-36: 7HIX0OYI0

Squares and roots of 21121138772136

• 21121138772136 squared (21121138772136²) is 446102503031826617730002496
• 21121138772136 cubed (21121138772136³) is 9422192873132430666131106765933655251456
• The square root of 21121138772136 is 4595774.0123004307
• The cube root of 21121138772136 is 27642.1897165087

Scales and comparisons

• 21,121,138,772,136 seconds is equal to 671,586 years, 45 weeks, 5 days, 16 hours, 15 minutes, 36 seconds.
• To count from 1 to 21,121,138,772,136 would take you about one million, six hundred seventy-eight thousand, nine hundred sixty-seven 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 21121138772136 cubic inches would be around 2303.5 feet tall.

Recreational maths with 21121138772136

• 21121138772136 backwards is 63127783112112
• The number of decimal digits it has is: 14
• The sum of 21121138772136's digits is 45
• More coming soon!